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

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

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