POSC Specifications
Version 2.2 		Epicentre Standard Values
equipment_class

equipment_class

Changes Document
 Standard Instance Values

name classification _system description source version status
  classification _system .name   ref _source .name ref _epicentre _version .name  
1 1/2 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 1 1/2" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
1 1/2-6 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 1/2-6 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 1/4 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 1 1/4" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
1 1/4-7 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 1/4-7 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 1/8-7 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 1/8-7 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 3/4-5 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 3/4-5 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 3/8-6 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 3/8-6 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 1" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
1 PAIR CABLE POSC/Caesar A Cable with 2 cable cores organized in 1 pair POSC 2.2 current
1 TRIPLE CABLE POSC/Caesar A Cable with 3 cable cores organized in 1 triple POSC 2.2 current
1-64 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1-64 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1-8 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1-8 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current

equipment_class

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name classification _system description source version status
1/2 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 1/2" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
1/2-13 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1/2-13 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1/4-20 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
1/4-20 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
10 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 10" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
10-24 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
10-24 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
12 CONDUCTOR MULTICORE POSC/Caesar A Cable with 12 cable conductors POSC 2.2 current
12 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 12" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
12 PAIR CABLE POSC/Caesar A Cable with 24 cable cores organized in groups of pair POSC 2.2 current
12 TRIPLE CABLE POSC/Caesar A Cable with 36 cable cores organized in groups of triples POSC 2.2 current
12-24 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
12-24 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
12-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 12-UN. POSC 2.2 current
14 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 14" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
16 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 18" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
16 PAIR CABLE POSC/Caesar A Cable with 32 cable cores organized in groups of pair POSC 2.2 current
16 TRIPLE CABLE POSC/Caesar A Cable with 48 cable cores organized in groups of triples POSC 2.2 current
16-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 16-UN. POSC 2.2 current

equipment_class

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name classification _system description source version status
18 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 18" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
19 CONDUCTOR MULTICORE POSC/Caesar A Cable with 19 cable conductors POSC 2.2 current
2 1/2 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 2 1/2" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
2 1/2-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 1/2-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 1/4-4 1/2 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 1/4-4 1/2 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 3/4-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 3/4-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2 CONDUCTOR CABLE POSC/Caesar A Cable with 2 cable conductors POSC 2.2 current
2 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 2" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
2 PAIR CABLE POSC/Caesar A Cable with 4 cable cores organized in 2 pairs POSC 2.2 current
2 TRIPLE CABLE POSC/Caesar A Cable with 6 cable cores organized in groups of triples POSC 2.2 current
2-4 1/2 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2-4 1/2 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2-56 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
2-56 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
20 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 20" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
20-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 20-UN. POSC 2.2 current
24 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 24" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current

equipment_class

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name classification _system description source version status
24 PAIR CABLE POSC/Caesar A Cable with 48 cable cores organized in groups of pair POSC 2.2 current
24 TRIPLE CABLE POSC/Caesar A Cable with 72 cable cores organized in groups of triples POSC 2.2 current
27 CONDUCTOR MULTICORE POSC/Caesar A Cable with 27 cable conductors POSC 2.2 current
28-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 28-UN. POSC 2.2 current
3 1/2 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 3 1/2" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
3 1/2-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 1/2-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 1/4-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 1/4-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 3/4-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 3/4-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3 CONDUCTOR CABLE POSC/Caesar A Cable with 3 cable conductors POSC 2.2 current
3 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 3" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
3-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3-48 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3-48 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3/4 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 3/4" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
3/4-10 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3/4-10 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current

equipment_class

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name classification _system description source version status
3/8-16 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
3/8-16 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
32 PAIR CABLE POSC/Caesar A Cable with 64 cable cores organized in groups of pair POSC 2.2 current
32 TRIPLE CABLE POSC/Caesar A Cable with 96 cable cores organized in groups of triples POSC 2.2 current
32-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 32-UN. POSC 2.2 current
37 CONDUCTOR MULTICORE POSC/Caesar A Cable with 37 cable conductors POSC 2.2 current
4 CONDUCTOR CABLE POSC/Caesar A Cable with 4 cable conductors POSC 2.2 current
4 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 4" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
4 PAIR CABLE POSC/Caesar A Cable with 8 cable cores organized in groups of pair POSC 2.2 current
4 TRIPLE CABLE POSC/Caesar A Cable with 12 cable cores organized in groups of triples POSC 2.2 current
4-4 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
4-4 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
4-40 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
4-40 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
4-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 4-UN. POSC 2.2 current
45 DEGREE ELBOW POSC/Caesar An Elbow where the angle between the vectors normal to the end planes is 45 degrees. POSC 2.2 current
45 DEGREE LONG RADIUS ELBOW POSC/Caesar No definition supplied POSC 2.2 current
45 DEGREE SHORT RADIUS ELBOW POSC/Caesar No definition supplied POSC 2.2 current
5 CONDUCTOR MULTICORE POSC/Caesar A Cable with 5 cable conductors POSC 2.2 current
5 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 5" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current

equipment_class

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name classification _system description source version status
5-40 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
5-40 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
5/16-18 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
5/16-18 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
5/8-11 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
5/8-11 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
6 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 6" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
6-32 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
6-32 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
6-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 6-UN. POSC 2.2 current
7 CONDUCTOR MULTICORE POSC/Caesar A Cable with 7 cable conductors POSC 2.2 current
7/16-14 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
7/16-14 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
7/8-9 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
7/8-9 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
8 INS CLASS 150 FLAT RING GASKET POSC/Caesar A gasket conforming to ASME B16.21 with a size and rating: 8" CL150. (For use with ANSI / ASME B16.5 flanges and flanged fittings) POSC 2.2 current
8 PAIR CABLE POSC/Caesar A Cable with 16 cable cores organized in groups of pair POSC 2.2 current
8 TRIPLE CABLE POSC/Caesar A Cable with 24 cable cores organized in groups of triples POSC 2.2 current
8-32 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
8-32 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current

equipment_class

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name classification _system description source version status
8-UN THREAD SERIE POSC/Caesar Thread Serie conforming to ASME B1.1 Table 2, Series With Constant Pitches, 8-UN. POSC 2.2 current
9/16-12 UNC-2A POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
9/16-12 UNC-2B POSC/Caesar A class of Thread conforming to the definition in ASME B1.1, Table 3A. POSC 2.2 current
90 DEGREE ELBOW POSC/Caesar An Elbow where the angle between the vectors normal to the end planes is 90 degrees. POSC 2.2 current
90 DEGREE LONG RADIUS ELBOW POSC/Caesar No definition supplied POSC 2.2 current
90 DEGREE SHORT RADIUS ELBOW POSC/Caesar No definition supplied POSC 2.2 current
AC MOTOR POSC/Caesar An electric motor driven by alternating electric current POSC 2.2 current
ACTIVE FIRE FIGHTING EQUIPMENT POSC/Caesar Any equipment for direct firefightening. POSC 2.2 current
ACTUATOR POSC/Caesar A device used to convert energy (electric, pneumatic, hydraulic) to kinetic energy. POSC 2.2 current
ADHESIVES POSC/Caesar Substance used to make one item adhere to another. POSC 2.2 current
AERO-DERIVATIVE GAS TURBINE POSC/Caesar which is an industrial turbine derived from an aircraft turbine POSC 2.2 current
AFFF POSC/Caesar Aqueous film forming foam. POSC 2.2 current
AGITATOR POSC/Caesar A type of machine intended to stir fluids POSC 2.2 current
AIR DEVICE POSC/Caesar Accessories for HVAC systems POSC 2.2 current
AIR FILTER POSC/Caesar Unit for removing solid particles from an air stream POSC 2.2 current
AIR FLOW METER POSC/Caesar Unit for measuring air flow rate through a duct . POSC 2.2 current
AIR HANDLING UNIT POSC/Caesar Unit for central conditioning and pressure increase of ventilation air. POSC 2.2 current
AIR MOTOR RECIPROCATING POSC/Caesar A driver which utilises reciprocating motion converted usually into rotary motion POSC 2.2 current
AIR MOTOR ROTARY POSC/Caesar An air powered motor which utilises rotary motion POSC 2.2 current
AIR START SYSTEM POSC/Caesar Starter which uses compressed air as a power source to start for reciprocating engines POSC 2.2 current

equipment_class

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name classification _system description source version status
ANALOG INPUT CARD POSC/Caesar A printed circuit board with electronic components intended to receive and encode one or more analogue signals to a computer interpretable format POSC 2.2 current
ANALOG OUTPUT CARD POSC/Caesar A printed circuit board with electronic components intended to decode and transmit one or more electrical analogue signals from a computer interpretable format to a analog output signal POSC 2.2 current
ANALYSER POSC/Caesar A device used to analyse the quality and/or composition of a substance POSC 2.2 current
ANCHOR BOLT POSC/Caesar intended to hold down equipment to a base POSC 2.2 current
ANCHOR BOLT RING POSC/Caesar intended to fix a skirt to a foundation POSC 2.2 current
ANCHOR CHAIR POSC/Caesar Anchor bolt support on equipment.. POSC 2.2 current
ANCHOR TYPE IMPELLER POSC/Caesar Impeller which is especially suitable for a mixer POSC 2.2 current
ANGLE BODY POSC/Caesar A valve which body is an angle body POSC 2.2 current
ANGLE GEAR BOX POSC/Caesar intended to change the drive axis through an angle. POSC 2.2 current
ANGLE PATTERN POSC/Caesar A class of valve in-line dimensions. POSC 2.2 current
ANGLE PROFILE POSC/Caesar Beam profile beeing angle flanged as L, T, Z etc. sections POSC 2.2 current
ANGLE VALVE POSC/Caesar A globe valve design with valve ends at right angles to each other. POSC 2.2 current
ANNUBAR POSC/Caesar A flow detecting sensor with multiple impact pressure ports normal to the flow direction POSC 2.2 current
ANTI FRICTION BEARING POSC/Caesar which uses rolling elements POSC 2.2 current
ANTI-BLOWOUT STEM POSC/Caesar A valve stem with a shoulder, positively retained by the body or bonnet. POSC 2.2 current
ANTI-STATIC DEVICE POSC/Caesar A device providing electric continuity between the valve body and internal components to prevent ignition of flammable fluids. POSC 2.2 current
ARCHIMEDIAN SCREW POSC/Caesar A deeply threaded screw used in an archimedian screw pump. POSC 2.2 current
ARCHIMEDIAN SCREW PUMP POSC/Caesar A pump which utilises an archimedian screw rotating within a cylindrical trough to lift a fluid. POSC 2.2 current
ARTICULATED BELLOW EXPANSION JOINT POSC/Caesar A Bellow Type Expansion Joint. POSC 2.2 current
ARTICULATED TWIN BELLOW ASSEMBLY POSC/Caesar A Bellow Type Expansion Joint with doble Bellows. POSC 2.2 current

equipment_class

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name classification _system description source version status
ASME B16.20 BX RING GASKET POSC/Caesar Type of ring joint gasket with a special cross section. POSC 2.2 current
ASME B16.20 OCTAGONAL RING GASKET POSC/Caesar Type of ring joint gasket with octagonal cross section. POSC 2.2 current
ASME B16.20 OVAL RING GASKET POSC/Caesar Type of ring gasket with oval cross section. POSC 2.2 current
ASME B16.20 RING GASKET NUMBER POSC/Caesar Ring Gasket Number listed in ASME B16.20 POSC 2.2 current
ASME B16.20 RX RING GASKET POSC/Caesar Type of ring joint gasket with a special cross section. POSC 2.2 current
ASME B16.20 SPIRAL WOUND GASKET POSC/Caesar A spiral wound gasket conforming to the ASME B16.20 specification. POSC 2.2 current
ASME B16.21 FLAT RING GASKET POSC/Caesar Flat ring gasket conforming to the ASME B16.21 specification. (To be used on raised face flange facing) POSC 2.2 current
ASME B16.21 FULL FACE GASKET POSC/Caesar Full face gasket conforming to the ASME B16.21 specification.( To be used on flat face flange facing) POSC 2.2 current
ATMOSPHERIC VESSEL POSC/Caesar Vessel open to atmosphere. POSC 2.2 current
AUTO TRANSFORMER POSC/Caesar A transformer in which at least two windings have a common part POSC 2.2 current
AUTOMATIC CONTROL VALVE POSC/Caesar A valve automatically regulating the flow, pressure, or temperature of a fluid in the responce to a process signal from a sensing element. POSC 2.2 current
AXIAL BEARING POSC/Caesar A bearing intended to resist axial load on a shaft POSC 2.2 current
AXIAL DIFFUSER POSC/Caesar A diffuser for an axial flow machine. POSC 2.2 current
AXIAL DISC POSC/Caesar A disc (closure member) with its polar axis in the line of flow. POSC 2.2 current
AXIAL FAN POSC/Caesar Class of fan where flow is along axis of shaft POSC 2.2 current
AXIAL FLOW COMPRESSOR POSC/Caesar Dynamic compressor with flow along axis of machine POSC 2.2 current
AXIAL FLOW IMPELLER POSC/Caesar An axial flow impeller. POSC 2.2 current
AXIAL PISTON VALVE POSC/Caesar A Globe Valve having a piston-shaped Closure Member with its polar axis in the line of flow. POSC 2.2 current
BACK FLOW DAMPER POSC/Caesar Device installed to prevent back flow in a duct. POSC 2.2 current
BACK PRESSURE STEAM TURBINE POSC/Caesar A steam turbine whose exhaust is above atmospheric pressure. POSC 2.2 current

equipment_class

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name classification _system description source version status
BACK SEAT POSC/Caesar A face on the valve stem which seats on the underside of the gland stuffing box and provides a metal-to-metal seat on the full open valve. POSC 2.2 current
BACKING SUPPORT DEVICE POSC/Caesar Removable device intended for support. POSC 2.2 current
BAFFLE POSC/Caesar Device intended to guide process media through a vessel. POSC 2.2 current
BAFFLE TRAY POSC/Caesar A tray intended to alter the direction of flow in a vessel or tank. POSC 2.2 current
BALANCE DISC SHEET POSC/Caesar Combines with a balance disc to reduce the thrust from the impellers and the shaft sealing pressure. POSC 2.2 current
BALANCE DRUM POSC/Caesar A piston which balances the thrust from the impellers and reduces the shaft sealing pressure. POSC 2.2 current
BALANCE DRUM LINER POSC/Caesar Replaceable liner for a balance piston cylinder. POSC 2.2 current
BALANCE PISTON POSC/Caesar Piston used to balance thrust on a shaft POSC 2.2 current
BALANCE PISTON ASSEMBLY POSC/Caesar Shaft thrust balancing device utilising a rotating piston within a cylinder. The discharge pressure act on the cylinder face. The piston leaks fluid to the suction pressure. POSC 2.2 current
BALANCE SHAFT THRUST COMPONENT POSC/Caesar Material used as part of a shaft thrust pressure balance assembly POSC 2.2 current
BALL POSC/Caesar The Closure Member in a Ball Valve. POSC 2.2 current
BALL BEARING POSC/Caesar Rolling element bearing utilising balls. POSC 2.2 current
BALL CHECK VALVE POSC/Caesar A lift check valve having a free spring loaded ball closing on a spherical seat. POSC 2.2 current
BALL VALVE POSC/Caesar A Valve with a spherical Closure Member which rotates about an axis which is perpendicular to the direction of flow. POSC 2.2 current
BAR PROFILE POSC/Caesar A rod, strip or oblong block of any solid substace having a constant crossection with no internal holes. POSC 2.2 current
BARREL FOR COMPRESSOR POSC/Caesar Barrel for a compressor. POSC 2.2 current
BARREL FOR PUMP POSC/Caesar An pressure enclosure in which a pump can be mounted POSC 2.2 current
BASE PLATE POSC/Caesar Foundation for smaller equipment items POSC 2.2 current
BASE RING POSC/Caesar Stiffener at lower end of skirt POSC 2.2 current
BASKET STRAINER POSC/Caesar A strainer where the screen has the shape of a basket. POSC 2.2 current

equipment_class

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name classification _system description source version status
BATH TUBE STRAINER POSC/Caesar A strainer where the screen has the shape of a bath tube. POSC 2.2 current
BATTERY CELL POSC/Caesar An electrochemical system capable of storing in chemical form the electric energy received and which can give it back by re conversion POSC 2.2 current
BATTERY FOR TORCH POSC/Caesar No definition supplied POSC 2.2 current
BATTERY HOUSING POSC/Caesar The static house surrounding and containing the battery cell. POSC 2.2 current
BATTERY START SYSTEM POSC/Caesar Started system which utilises electric storage batteries and motor to start reciprocating engines. POSC 2.2 current
BEARING POSC/Caesar Intended to support and locate a moving or static element POSC 2.2 current
BEARING ASSEMBLY POSC/Caesar A set of bearing components which together form a bearing. POSC 2.2 current
BEARING BUSHING POSC/Caesar A class of plain bearing POSC 2.2 current
BEARING CAP POSC/Caesar Clamp or cover to hold a bearing in position POSC 2.2 current
BEARING DEFLECTOR POSC/Caesar Disc mounted on the shaft and intended to deflect oil from coming out of, or dirt from entering a bearing. POSC 2.2 current
BEARING DRIVEN END POSC/Caesar A bearing located at the end closest to the machine driver. POSC 2.2 current
BEARING HOUSE JACKET POSC/Caesar often cooled by air or water POSC 2.2 current
BEARING HOUSING POSC/Caesar The part of the machine which supports a bearing. POSC 2.2 current
BEARING HOUSING RADIAL POSC/Caesar A bearing housing for a radial bearing. POSC 2.2 current
BEARING HOUSING THRUST POSC/Caesar A bearing housing for an axial thrust bearing POSC 2.2 current
BEARING LOCKNUT POSC/Caesar Lock nut intended to locate a bearing within a bearing assembly or on a shaft. POSC 2.2 current
BEARING LUBRICATION RING POSC/Caesar A ring with an internal diameter nominally double the shaft diameter, and which rotates loosely on the shaft, dipping into the oil reservoir to lift lubricant to the bearing area. much intended to lift lubrication oil from a bearing housing to a sha POSC 2.2 current
BEARING MATERIAL POSC/Caesar Material used only as a bearing assembly component POSC 2.2 current
BEARING NON-DRIVEN END POSC/Caesar Bearing located at the end of the machine which is furthest from the driver. POSC 2.2 current
BEARING SPACER POSC/Caesar No definition supplied POSC 2.2 current

equipment_class

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name classification _system description source version status
BELLOW POSC/Caesar A convoluted, cylindrical equipment providing axial flexibility and pressure containment. POSC 2.2 current
BELLOW SEALED VALVE POSC/Caesar A valve having a bellows sealed gland. POSC 2.2 current
BELLOW TYPE EXPANSION JOINT POSC/Caesar An Expansion Joint using Bellow(s) to accommodate movement in piping due to temperature changes or vibrations. POSC 2.2 current
BELLOWS SEAL POSC/Caesar A mechanical seal utilising bellows to act both as face pusher spring, and shaft to rotating seal face seal. POSC 2.2 current
BEND POSC/Caesar A change in the direction of a pipe obtained by bending the pipe. POSC 2.2 current
BEVELLED END POSC/Caesar A Welding End where the wall has been trimmed off at an angle less than 90 degrees to the vector normal to the face of the end and shaped as defined by a Standard Specification.. POSC 2.2 current
BI-DIRECTIONAL VALVE POSC/Caesar A valve designed to seal against flow or pressure from either direction. POSC 2.2 current
BIMETALLIC ELEMENT POSC/Caesar A temperature-sensing device which makes use of the difference in thermal expansion of two metals bonded together POSC 2.2 current
BLADE POSC/Caesar A specially shaped arm intended to react against fluids moving across it. POSC 2.2 current
BLIND FLANGE POSC/Caesar A Pipe Flange with no central opening intended to be used for closure of Flanged Ends. POSC 2.2 current
BLOCK AND BLEED VALVE POSC/Caesar A heavy duty mainline valve made to hold bubble tight against high pressure. The valve is made with a small bleeder line and valve that are tapped into the block valve's bonnet. When the block valve is closed, its effectiveness may be checked by opening the bleeder valve for evidence of any leakage from the upstream high pressure side. POSC 2.2 current
BLOW DOWN VALVE TYPE POSC/Caesar A valve specially designed for rapid depressurising. POSC 2.2 current
BODY LINE POSC/Caesar No definition supplied POSC 2.2 current
BOILER STEEL PLATE POSC/Caesar Flat plate formats intended to be used in boilers having required heat resistence POSC 2.2 current
BOILER SUIT WITH HOOD POSC/Caesar No definition supplied POSC 2.2 current
BOLT POSC/Caesar Used for holding one equipment item fixed to another POSC 2.2 current
BOLT CUTTER POSC/Caesar No definition supplied POSC 2.2 current
BOLTED VALVE BONNET POSC/Caesar A Valve Bonnet that is bolted to the Valve Body. POSC 2.2 current
BOLTED VALVE GLAND POSC/Caesar A Valve Gland that is bolted to the Valve Bonnet. POSC 2.2 current
BONNETLESS VALVE POSC/Caesar A Valve having all internal parts inserted onto a one-piece body. POSC 2.2 current

equipment_class

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name classification _system description source version status
BOTTOM PLATE POSC/Caesar The plate forming the flat bottom of a construction. POSC 2.2 current
BOUNDED SEAL POSC/Caesar A metal reinforced GASKET. POSC 2.2 current
BRACKET POSC/Caesar Support for smaller equipment items POSC 2.2 current
BRANCHING FITTING POSC/Caesar Pipe Fitting used to connect 2 or more Pipes and/or Piping Components. POSC 2.2 current
BREATHER POSC/Caesar A communicating pipe between atmosphere, and the inside of an item. POSC 2.2 current
BREATHING AIR RECHARGE UNIT POSC/Caesar No definition supplied POSC 2.2 current
BREATHING APPARATUS POSC/Caesar No definition supplied POSC 2.2 current
BUBBLE CAP POSC/Caesar A device used to guide the gas through the liquid on a tray to enlarge the contact area between gas and liquid. POSC 2.2 current
BUBBLE CAP TRAY POSC/Caesar A tray utilizing bubble caps POSC 2.2 current
BUILD UP PROFILE POSC/Caesar Profiles and beams made by plates normaly welded together. The dimensions are free and the characteristics specified by design. POSC 2.2 current
BULKHEAD PLATE POSC/Caesar A plate that divides a compartment into smaller volumes. POSC 2.2 current
BURDON TUBE POSC/Caesar A specially formed tube closed at one end which undergoes a measurable physical deflection within its elastic limit when subjected to a pressure difference between the inside and the outside of the tube POSC 2.2 current
BUS BAR POSC/Caesar A bar with high electrical conductivity POSC 2.2 current
BUSHING POSC/Caesar A reducing fitting with external and internal threads intended to connect piping components with different bore diameters. POSC 2.2 current
BUTTERFLY VALVE POSC/Caesar A type of quick opening valve where the closure member has the shape of a disc that pivots on a shaft in the throat of the valve POSC 2.2 current
CABINET POSC/Caesar An enclosure intended to house equipment including electronic components, terminals and cableterminations POSC 2.2 current
CABLE POSC/Caesar One or more insulated CONDUCTORs surrounded by one or more common protective seath(s) POSC 2.2 current
CABLE ARMOUR POSC/Caesar A covering consisting of metal tape(s) or wires, generally used to protect the cable from external mechanical effects. POSC 2.2 current
CABLE BEDDING POSC/Caesar A compound intended to keep a minimum distance between conductors and braiding in a cable POSC 2.2 current
CABLE CONDUCTOR POSC/Caesar Part of a construction or circuit designed for transmission of electric current, normally consisting of either one solid wire or a number of such wires not separated by insulating material to form a conductor or core with greater flexibility than a solid POSC 2.2 current

equipment_class

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name classification _system description source version status
CABLE CONNECTOR POSC/Caesar Device used to connect electric transfer components. POSC 2.2 current
CABLE CORE POSC/Caesar An assambly comprising a cable conductor and its own insulation POSC 2.2 current
CABLE GLAND PLATE POSC/Caesar Cover plate of an electrical cable terminal box, through which cables pass, and are sealed from the outside atmosphere with a cable gland. POSC 2.2 current
CABLE LADDER POSC/Caesar A ladder designed to support electrical cables POSC 2.2 current
CABLE LADDER RISER INSIDE POSC/Caesar A device to POSC 2.2 current
CABLE LADDER RISER OUTSIDE POSC/Caesar No definition supplied POSC 2.2 current
CABLE LADDER BEND POSC/Caesar A cable ladder elbow POSC 2.2 current
CABLE LADDER BEND 30 DEG PO