Product List
Valve Terms
　
These are common industry terms and abbreviations
|
AC
|
Alternating Current |
EXP VLV
|
Expansion Valve |
PSIA
|
Pounds Per Square Inch Absolute |
|
ALL IRON
|
All-Iron Construction |
F
|
Degree Fahrenheit |
PSIG
|
Pounds Per Square Inch Gage |
|
AMER STD
|
American Standard |
FF
|
Flat Face |
RECIRC
|
Recirculate(d) |
|
AMS
|
Aeronautical Material Specifications of the Society of Automotive Engineers |
FtoF
|
Face to Face |
RF
|
Raised Face |
|
APPROX
|
Approximate |
FLG
|
Flanged End |
RPM
|
Revolutions per Minute |
|
ASME
|
American Society of Mechanical Engineers |
FM
|
Indicates product has been approved by Factory Mutual Laboratories |
RS
|
Rising Stem |
|
ASTM
|
American Society of Testing Materials |
F/S
|
Factor of Safety |
S.A.E.
|
Society of Automotive Engineers |
|
ATM
|
Atmosphere |
FSPS
|
Female Standard Pipe Size |
SB
|
Screw-in Bonnet |
|
BB
|
Bolted Bonnet |
FT LB
|
Foot Pound |
SE
|
Screwed (Threaded) End |
|
BLR
|
Boiler |
GPH
|
Gallons Per Hour |
SJ
|
Solder Joint |
|
B/M
|
Bill of Material |
GPM
|
Gallons Per Minute |
SPEC
|
Specification |
|
BTU
|
British Thermal Unit(s) |
IBBM
|
Iron Body, Bronze Mounted |
STD
|
Standard |
|
C
|
Degree Centigrade |
IN LB
|
Inch-pound |
SWP
|
Steam Working Pressure |
|
CxC
|
Copper to Copper |
IPS
|
Iron Pipe Size |
TEMP
|
Temperature |
|
CDA
|
Copper Development Association |
MSS
|
Manufacturers Standardization Society of the Valve and Fitting Industry |
TRIM
|
Term designating certain valve parts such as discs, seat rings, stems, and repacking seat bushings |
|
COND
|
Condenser |
NEC
|
National Electrical Code |
UB
|
Union Bonnet |
|
COP
|
Copper |
NPT
|
American Standard Taper Pipe Thread |
UL
|
Indicates product has been approved by Underwriter's Laboratories, Inc. |
|
CSA
|
Canadian Standards Association |
NRS
|
Non-Rising Stem |
VAC
|
Vacuum |
|
CV
|
check valve |
OD
|
Outside Diameter |
VOL
|
Volume |
|
CWP
|
Cold Working Pressure |
OS&Y
|
Outside Screw and Yoke |
WOG
|
Water, Oil, Gas Working Pressure |
|
CYL
|
Cylinder |
PNEU
|
Pneumatic |
WWP
|
Water Working Pressure |
|
DC
|
Direct Current |
PRESS
|
Pressure | ||
|
DD
|
Double Disc |
PRV
|
pressure reducing valve | ||
|
PSI
|
Pounds Per Square Inch |
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