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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

API Spec GD

ASME — American Society of Mechanical Engineers

ASTM — American Society for Testing & Materials

AWS — American Welding Society

ACCUMULATOR

ACME THREAD

ACTUATOR

ADAPTER SPOOL

AIR VALVE

ALL WELDED CONSTRUCTION

ALLOY STEEL

AMBIENT TEMPERATURE

ANCHOR PIN

ANGLE PATTERN

ANGLE VALVE

ATMOSPHERIC PRESSURE

AUSTENITIC  STAINLESS STEEL

AXIAL CONTROL VALVES

B

bbl

BDV — Blow Down Valve

BGO — Bevel Gear Operated (Operator)

B.R.V. — Body Relief Valve

BVR — Ball Valve Regulator

BACK SEAT

BALL

BALL VALVE

BAR

BELLEVILLE SPRING

BENDING MOMENT

BEVEL

BLOCK AND BLEED

BODY

BOLT

BOLT CIRCLE

BOLTED BONNET

BOLTED CONSTRUCTION

BOLTING SETS

BONNET

BORE (or PORT)

BRINELL HARDNESS NO.

BUBBLE-TIGHT SHUT-OFF

BURIED SERVICE

BURST PRESSURE

BUTT WELD ENDS

BUTTERFLY VALVE

BYPASS

C

C.I.F. — Cost Insurance & Freight

Cv

CWP — Cold Working Pressure

CAPACITY FACTOR

CAPSCREW

CARBON STEEL

CAST

CAST IRON

CASTING

CAVITATION

CHAIN WHEEL OPERATED VALVE

CHARACTERIZED GATE OR BALL

CHARPY TEST

CHECK VALVE

CHEVRON PACKING

CITY GATE — City Gate Station

CLAPPER

CLASS

CLEVIS

CLOSURE

CLOSURE ELEMENT

COAL GASIFICATION

COMPRESSOR

CON CENTRIC

CONTAMINANT

CONTROL VALVE

CONTROLLER

CORROSION

CRUDE OIL

CRYOGENIC TEMPERATURE

CRYOGENIC VALVE

CYCLE

CYLINDER OPERATOR

D

DPDT

DPST

DELTE P (AP)

DEZINCIFICATION

DIAPHRAGM

DIAPHRAGM VALVE

DIFFERENTIAL PRESSURE

DIP TUBE

DISC

DISTRIBUTION LINE

DOT REGULATIONS (Department of Transportation)

DOUBLE BLOCK & BLEED

DRAIN PLUG

DRAW-OFF TAPES AND STOP VALVES

DRIVE PINS

DRY LUBE

“DU» BEARING

DUROMETER

DYE PENETRANT INSPECTION

E

EMO — Electric Motor Operated

ECCENTRIC

ELASTOMER

ELBOW

ELL

EMERGENCY SEAT SEAL

END BEVEL

END CONNECTION

EROSION

EXPLOSION PROOF

EXPORT PACKING

EXTENDED BDV (BLOW DOWN VALVE)

EXTENSIONS

EXTERNAL COATING

F

F.A.S. — Free Along Side

F.E. — Flanged End

F.O.B. — Free On Board

F.P.C. -— Federal Power Commission

FABRICATED VALVE

FACE-TO-FACE

FACING

FAIL SAFE VALVE

FEMALE THREAD

FIELD SERVICEABLE

FIRE GATE

FIRE SAFE

FITTING

FLANGE

FLAT FACE

FLEXFLO®

FLEXIBLE TUBE VALVE

FLOAT OPERATED AND FLUSHING VALVES

FLOATING BALL

FLOW

FLOW COEFFICIENT

FLOW, LAMINAR

FLOW METER

FLOW RATE

FLOW, TURBULENT

FLUID

FORCE

FORGING V

FRICTION

FULL BORE

FULL OPENING

FULL PENETRATION WELD

G

GO — Gear Operated

GALLING

GAS

GASKET

GATE

GATE VALVE

GAUGE, PRESSURE

GLAND or GLAND BUSHING

GLAND FOLLOWER OR GLAND FLANGE

GLAND PLATE

GLOBE VALVE

GRAPHITE

GREASE FITTING

H

HWO – Hand Wheel Operated

HAND WHEEL

HARD FACING

HEAD

HEADER

HEAT ANALYSIS

HEAT TREATMENT

HEAT TREATMENT CHARTS

HOLIDAY

HORIZONTAL PATTERN

HOT TAPPING

HOT TAP

HOT TEARS

HUEY TEST

HUBS

HYDRANTS

HYDRAULIC

HYDRAULIC CONTROL VALVES

HYDRAULIC MOTOR ACTUATOR (Operator)

HYDROSTATIC TEST (Shell Test}

I

IBBM

I.D. — Inside Diameter

INCREMENTAL SEAT TEST

IN ERTIA

INLET PORT

INNER SEAT RING

ISRS

J

– – – – –

K

– – – – –

L

LNG — Liquified Natural Gas

LPG — Liquid Petroleum Gas

LEVER

LIFTING LUGS

LIMIT SWITCH

LINE

LIP SEAL

LIQUID PENETRAN T INSPECTION

LOCKING DEVICE

LUBE SEATS

M

MAOP

MGO — Manual Gear Operator

MMCF

MO — Motor Operated

MSS — Manufacturers Standardization Society of the Valve and Fitting Industry

MWP – Maximum Working Pressure or CWP (Cold Working Pressure)

MAGNETIC PARTICLE INSPECTION

MALE THREAD

MATERIAL TEST REPORTS

MANIFOLD (HEADER}

METAL-TO—METAL SEAL

METER PROVER

METER RUN

MILL CERTIFICATES

MILL TESTS

MILL TEST REPORTS

MODULUS OF ELASTICITY (Coefficient of Elasticity)

MOLD

MONITORING — Monitor Service

N

NACE – National Association of Corrosion Engineers

NDE – Non-Destructive Examination

NEMA – National Electrical Manufacturers Association

NPS

NPT — National Pipe TapereD

NRS

NEEDLE VALVE

NIPPLE

NON-DESTRUCTIVE TESTS

NON—RISING STEM

NORMALLY CLOSED SOLENOID VALVE

NORMALLY OPEN SOLENOID VALVE

NORSOK

NORSOK STANDARDS

O

OCMA – Oil Companies Materials Association

O.D. — Outside Diameter

O-RING

OS & Y – Outside Screw & Yoke

OPERATING TIME

OPERATOR

OUTER SEAT RING

P

PSI (psi) – Pounds Per Square Inch

PACKING

PACKING GLAND

PATTERN

PEAK SHAVING

PHENOLIC COATING

PIG

PINHOLE

PINION SHAFT

PINION SHAFT EXTENSION

PISTON EFFECT

PITCH & LEAD

PLASTICS

PLUG

PLUG VALVE

PMI

PNEUMATIC

PNEUMATIC TEST

POLY PAK STEM SEAL (A Parker Seal Company Product)

POROSITY

PORT

POSITION INDICATOR

POWER OPERATOR

PRESSURE

PRESSURE DIFFERENTIAL

PRESSURE DROP

PRESSURE REDUCING VALVE

PRESSURE SWITCH

PRESURE- TEMPERATURE RATINGS

PRODUCT ANALYSIS

PROOF PRESSURE

PULSATION

PUMP

PUMP CONTROL VALVE

PUPS

Q

– – – – –

R

RA

RF (RAISED FACE)

RPM – Revolutions Per Minute

RTJ or R.T.J. ~ Ring Type JoinT

RADIATOR VALVES

RADIOGRAPHIC INSPECTION

RATCHET DRIVE

REDUCED PORT (Reduced Bore)

REGULAR PORT VALVE

REGULATOR

RELIEF VALVE

REMOTE CONTROL

RESILIENT SEAT

RIM PUL

RISING STEM

ROAD BOX

ROCKWELL HARDNESS NO.

RUPTURE DISC (BLOW-OUT DISC)

S

SNG- Synthetic Natural Gas

SPDT – Single-Pole, Double-Throw

SPST – Single-Pole, Single—Throw

SY – Scotch Yoke

SAFETY VALVE

SCHEDULE

SCOTCH YOKE OPERATOR (Used on quarter turn valves)

SCREW-DOWN STOP VALVE

SCREWED ENDS

SEAL, DYNAMIC

SEAL, STATIC

SEAT

SELF RELIEVING

SEPARATOR

SHRINKAGE

SHORT GATE

SHORT PATTERN VALVE

SHUT-OFF VALVE

SLAB GATE

SLAM RETARDER

SLURRY SERVICE

SMARTKEY

SOCKETWELD END (SW)

SOCKET END

SOLENOID VALVE

SOUR GAS

SPECIFIC GRAVITY

SPHERE-LOK (a Grove trade name)

SPOOL PIECE

SPUR GEAR

SQUARE OPERATING NUT

STAINLESS STEEL

STEM

STEM INDICATOR (VPI – Visible Position Indicator)

STEM NUT (YOKE NUT)

STOP COLLAR

STOP OFF

STREET ELL

STRESS

STUD

STUFFING BOX

SUBMERSIBLE SERVICE

SURGE

SURGE RELIEVER

SWAGE

SWEET GAS

SWING CHECK VALVE

SYSTEM ENGINEERING

T

TEE

TENSILE STRENGTH

TENSILE TEST

TENSION TEST

TEST CERTIFICATES

THROTTLING

THRU—CONDUIT

THRUST

TIGHT SHUT-OFF/CLOSE-OFF

TORQUE

TORQUE SWITCH

TORSIONAL SPRING

TRANSITION PIECE

TRANSMISSION LINE

TRIM

TRUNNION

TURNS TO OPERATE

TWO INCH SQUARE OPERATING NUT

TWO-WAY SPHERE-LOK

U

U-CUP (Ring-Packing)

UL – Underwriters Laboratory

ULTIMATE STRENGTH

ULTRASONIC INSPECTION

UNDERGROUND STORAGE

UNIONS

UNION BONNET

UNION CONNECTION

V

VALVE SPECIFICATIONS

VPI – Visible Position Indicator

VACUUM

VALVE

VELOCITY

VENT PLUG — (Vent Plug Assembly} – (Safety Vent Plug)

VENTURI VALVE

VERTICAL PATTERN

VISCOSITY

W

WE or W.E. – Weld End

W.O. – Wrench Operated

WOG – (Water – Oil – Gas)

WP – Working Pressure

WALL THICKNESS

WATER HAMMER

WEATHER PROOF

WEDGE GATE

WELD END

WELD NECK FLANGE

WELD REDUCERS

WORM GEARS

X

X-RAY

Y

YIELD STRENGTH

YOKE

Z

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