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 |
Posted by Ningbo Valve Factory – China valve manufacturer & Supplier.