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Abbreviations used in valve specifications are explained as follows:
1valve type
BC: Ball check valve FB: Full bore HL: Lift type
ISRS: Internal thread riser
OSY: External thread with bracket
PRSB: Pressure Self-tightening Sealing Bonnet
PRSC: pressure self-tightening sealing bonnet
RB: Shrinkage
SWG: Swing Check Valve
OFFSET: eccentric
BI Two Eccentrics: BI-ECC
TRI triple eccentric: TRI-ECC
S-OUT 1: A drain port
S-OUT 2: Two discharge ports
2end connection
BITE: Snap-in connection BW: Butt welding connection FF: Full flat
WFR/RF: No blue clip-in type
LF: large concave surface LG: large groove surface LM: large convex surface
LT: Large tenon face SW: Socket weld RF: Raised face
RJ: Metal ring connection ENPT: 60° internal taper pipe thread
3,structure
BB: Bolted Bonnet
BC: Bolted Bonnet
FLEXIBLE: Elastic Disc
INT: Integral Seat
LB: Extended Bonnet
LOOBE: Loose valve disc
NB: Without Bonnet
NL:NON-LUBRICATED(SLEEVED)
PB: Pressure Seal Bonnet
PC: Pressure Seal Bonnet
REN: Removable seat
SC: threaded bonnet
SB: threaded bonnet
SE: Side Mounted
SOLID: Steel Disc
STDB: Standard Disc
STRA: STRAIGHT WAY
TILT DISC: Tilted Disc
UB: Union valve cover
WB: Welded Bonnet
4,Material
13Cr: 1Cr13 or 2Cr13
CI: Grey Iron DI: Ductile Iron MI: Malleable Iron
STL: Stellite surfacing surface
C-TEF: Carbon Fiber Filled PTFE
G-TEF: Glass Fiber Filled PTFE
R-TFE: Reinforced PTFE
PTFE: Polytetrafluoroethylene Graf: Flexible graphite NBR: Nitrile rubber
EPDM: Ethylene-Propylene Dimethylene
5. Others
AMB: normal temperature ATM: atmospheric pressure MFR STD: manufacturer standard TEMP: temperature
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