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Select letter:
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
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A
AGA — American Gas Association
AISI — American Iron & Steel Institute
ANSI — American National Standards Institute
API -— American Petroleum Institute
ASME — American Society of Mechanical Engineers
ASTM — American Society for Testing & Materials
AWS — American Welding Society
B
BGO — Bevel Gear Operated (Operator)
C
C.I.F. — Cost Insurance & Freight
D
DOT REGULATIONS (Department of Transportation)
DRAW-OFF TAPES AND STOP VALVES
E
EXTENDED BDV (BLOW DOWN VALVE)
F
F.P.C. -— Federal Power Commission
FLOAT OPERATED AND FLUSHING VALVES
G
GLAND FOLLOWER OR GLAND FLANGE
H
HYDRAULIC MOTOR ACTUATOR (Operator)
I
J
– – – – –
K
– – – – –
L
M
MSS — Manufacturers Standardization Society of the Valve and Fitting Industry
MWP – Maximum Working Pressure or CWP (Cold Working Pressure)
MODULUS OF ELASTICITY (Coefficient of Elasticity)
N
NACE – National Association of Corrosion Engineers
NDE – Non-Destructive Examination
NEMA – National Electrical Manufacturers Association
NORMALLY CLOSED SOLENOID VALVE
O
OCMA – Oil Companies Materials Association
P
PSI (psi) – Pounds Per Square Inch
POLY PAK STEM SEAL (A Parker Seal Company Product)
Q
– – – – –
R
RTJ or R.T.J. ~ Ring Type JoinT
S
SPDT – Single-Pole, Double-Throw
SPST – Single-Pole, Single—Throw
SCOTCH YOKE OPERATOR (Used on quarter turn valves)
SPHERE-LOK (a Grove trade name)
STEM INDICATOR (VPI – Visible Position Indicator)
T
U
V
VPI – Visible Position Indicator
VENT PLUG — (Vent Plug Assembly} – (Safety Vent Plug)
W
X
Y
Z
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