- ACCUMULATOR
- ACME THREAD
- ACTUATOR
- ADAPTER SPOOL
- AGA — American Gas Association
- AIR VALVES
- AISI — American Iron & Steel Institute
- ALLOY STEEL
- ALL WELDED CONSTRUCTION
- AMBIENT TEMPERATURE
- ANCHOR PIN
- ANGLE PATTERN
- ANGLE VALVE
- ANSI — American National Standards Institute
- API -— American Petroleum Institute
- API Spec GD
- ASME — American Society of Mechanical Engineers
- ASTM — American Society for Testing & Materials
- ATMOSPHERIC PRESSURE
- AUSTENITIC STAINLESS STEEL
- AWS — American Welding Society
- AXIAL CONTROL VALVES
- BACK SEAT
- BALL
- BALL VALVE
- BAR
- BDV — Blow Down Valve
- BELLEVILLE SPRING
- BENDING MOMENT
- BEVEL
- BGO — Bevel Gear Operated (Operator)
- BLOCK AND BLEED
- BODY
- BOLT
- BOLT CIRCLE
- BOLTED BONNET
- BOLTED CONSTRUCTION
- BOLTING SETS
- BONNET
- BORE (or PORT)
- BRINELL HARDNESS NO
- B.R.V. — Body Relief Valve
- BUBBLE-TIGHT SHUT-OFF
- BURIED SERVICE
- BURST PRESSURE
- BUTT WELD ENDS
- BVR — Ball Valve Regulator
- BYPASS
- CAPACITY FACTOR
- CAPSCREW
- CARBON STEEL
- CAST
- CASTING
- CATS IRON
- CAVITATION
- CHAIN WHEEL OPERATED VALVE
- CHARACTERIZED GATE OR BALL
- CHARPY TEST
- CHEVRON PACKING
- C.I.F. — Cost Insurance & Freight
- CITY GATE — City Gate Station
- CLAPPER
- CLASS
- CLEVIS
- CLOSURE
- CLOSURE ELEMENT
- COAL GASIFICATION
- COMPRESSOR
- CON CENTRIC
- CONTAMINANT
- CONTROLLER
- CONTROL VALVE
- CORROSION
- CRUDE OIL
- CRYOGENIC TEMPERATURE
- CRYOGENIC VALVE
- CWP — Cold Working Pressure
- CYCLE
- CYLINDER OPERATOR
- DELTA P (AP)
- DEZINCIFICATION
- DIAPHRAGM
- DIAPHRAGM VALVE
- DIFFERENTIAL PRESSURE
- DIP TUBE
- DISC
- DISTRIBUTION LINE
- DOT REGULATIONS (Department of Transportation)
- DOUBLE BLOCK & BLEED (DBB)
- DPDT
- DPST
- DRAIN PLUG
- DRAW-OFF TAPS AND STOP VALVES
- DRIVE PINS
- DRY LUBE
- DU" BEARING
- DUROMETER
- DYE PENETRANT INSPECTION
- ECCENTRIC
- ELASTOMER
- ELBOW
- ELL
- EMERGENCY SEAT SEAL
- EMO — Electric Motor Operated
- END BEVEL
- END CONNECTION
- EROSION
- EXPLOSION PROOF
- EXPORT PACKING
- EXTENDED BDV (Blow Down Valve)
- EXTENSIONS
- EXTERNAL COATING
- FABRICATED VALVE
- FACE-TO-FACE
- FACING
- FAIL SAFE VALVE
- F.A.S. — Free Along Side
- F.E. — Flanged End
- FEMALE THREAD
- FIELD SERVICEABLE
- FIRE GATE
- FIRE SAFE
- FITTING
- FLANGE
- FLAT FACE (FF)
- FLEXIBLE TUBE VALVE
- FLOATING BALL
- FLOAT OPERATED AND FLUSHING VALVES
- FLOW
- FLOW COEFFICIENT
- FLOW, LAMINAR
- FLOW METER
- FLOW RATE
- FLOW, TURBULENT
- FLUID
- F.O.B. — Free On Board
- FORCE
- FORGING V
- F.P.C. -— Federal Power Commission
- FRICTION
- FULL BORE
- FULL OPENING
- FULL PENETRATION WELD
- GALLING
- GAS
- GASKET
- GATE
- GATE VALVE
- GAUGE, PRESSURE
- GLAND FOLLOWER OR GLAND FLANGE
- GLAND or GLAND BUSHING
- GLAND PLATE
- GLOBE VALVE
- GO — Gear Operated
- GRAPHITE
- GREASE FITTING
- HAND WHEEL
- HARD FACING
- HEAD
- HEADER
- HEAT ANALYSIS
- HEAT TREATMENT
- HEAT TREATMENT CHARTS
- HOLIDAY
- HORIZONTAL PATTERN
- HOT TAP
- HOT TAPPING
- HOT TEARS
- HUBS
- HUEY TEST
- HWO — Hand Wheel Operated
- HYDRANTS
- HYDRAULIC
- HYDRAULIC CONTROL VALVES
- HYDRAULIC MOTOR ACTUATOR (Operator)
- HYDROSTATIC TEST (Shell Test}
- IBBM
- I.D. — Inside Diameter
- INCREMENTAL SEAT TEST
- IN ERTIA
- INLET PORT
- INNER SEAT RING
- ISRS
- LEVER
- LIFTING LUGS
- LIMIT SWITCH
- LINE
- LIP SEAL
- LIQUID PENETRAN T INSPECTION
- LNG — Liquified Natural Gas
- LNG — Liquified Natural Gas
- LOCKING DEVICE
- LPG — Liquid Petroleum Gas
- LUBE SEATS
- MAGNETIC PARTICLE INSPECTION
- MALE THREAD
- MANIFOLD (HEADER}
- MAOP
- MAOP
- MATERIAL TEST REPORTS
- METAL-TO—METAL SEAL
- METER PROVER
- METER RUN
- MGO — Manual Gear Operator
- MILL CERTIFICATES
- MILL TEST REPORTS
- MILL TESTS
- MMCF
- MODULUS OF ELASTICITY (Coefficient of Elasticity)
- MOLD
- MO — Motor Operated
- MONITORING — Monitor Service
- MSS — Manufacturers Standardization Society of the Valve and Fitting Industry
- MWP — Maximum Working Pressure or CWP (Cold Working Pressure)
- NACE - National Association of Corrosion Engineers
- NDE - Non-Destructive Examination
- NEEDLE VALVE
- NEMA - National Electrical Manufacturers Association
- NIPPLE
- NON-DESTRUCTIVE TESTS
- NON—RISING STEM
- NORMALLY CLOSED SOLENOID VALVE
- NORMALLY OPEN SOLENOID VALVE
- NORSOK
- NORSOK STANDARDS
- NPS
- NPT — National Pipe Tapered
- NRS
- OCMA - Oil Companies Materials Association
- O.D. — Outside Diameter
- OPERATING TIME
- OPERATOR
- O-RING
- OS & Y - Outside Screw & Yoke
- OUTER SEAT RING
- 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
- PNEUMATISK 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
- PRESSURE – TEMPERATURE RATINGS
- PRODUCT ANALYSIS
- PROOF PRESSURE
- PSI (psi) - Pounds Per Square Inch
- PULSATION
- PUMP
- PUMP CONTROL VALVE
- PUPS
- RA
- RADIATOR VALVES
- RADIOGRAPHIC INSPECTION
- RATCHET DRIVE
- REDUCED PORT (Reduced Bore)
- REGULAR PORT VALVE
- REGULATOR
- RELIEF VALVE
- REMOTE CONTROL
- RESILIENT SEAT
- RF (RAISED FACE)
- RIM PUL
- RISING STEM
- ROAD BOX
- ROCKWELL HARDNESS NO.
- RPM - Revolutions Per Minute
- RTJ or R.T.J.
- RUPTURE DISC (BLOW-OUT DISC)
- SAFETY VALVE
- SCHEDULE
- SCOTCH YOKE OPERATOR
- SCREW-DOWN STOP VALVES
- SCREWED ENDS
- SEAL, DYNAMIC
- SEAL, STATIC
- SEAT
- SELF RELIEVING
- SEPARATOR
- SHORT GATE
- SHORT PATTERN VALVE
- SHRINKAGE
- SHUT-OFF VALVE
- SLAB GATE
- SLAM RETARDER
- SLURRY SERVICE
- SNG - Synthetic Natural Gas
- SOCKET END
- SOCKETWELD END (SW)
- SOLENOID VALVE
- SOUR GAS
- SPDT - Single-Pole, Double-Throw
- SPECIFICATION
- SPECIFIC GRAVITY
- SPHERE-LOK
- SPOOL PIECE
- SPST - Single-Pole, Single—Throw
- SPUR GEAR
- SQUARE OPERATING NUT
- STAINLESS STEEL
- STEM
- STEM 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
- SY - Scotch Yoke
- SYSTEM ENGINEERING
- TEE
- TENSILE STRENGTH
- TENSILE TEST
- TENSION TEST
- 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-CUP (Ring-Packing)
- ULTIMATE STRENGTH
- ULTRASONIC INSPECTION
- UL - Underwriters Laboratory
- UNDERGROUND STORAGE
- UNION BONNET
- UNION CONNECTION
- UNIONS
- VACUUM
- VALVE
- VALVE SPECIFICATIONS
- VELOCITY
- VENT PLUG — (Vent Plug Assembly} - (Safety Vent Plug)
- VENTURI VALVE
- VERTICAL PATTERN
- VISCOSITY
- VPI - Visible Position Indicator
- WALL THICKNESS
- WATER HAMMER
- WEATHER PROOF
- WEDGE GATE
- WELD END
- WELD NECK FLANGE .
- WELD REDUCERS
- WE or W.E. - Weld End
- WOG - (Water - Oil - Gas)
- WORM GEARS
- W.O. - Wrench Operated
- WP - Working Pressure
- X-RAY
- YIELD STRENGTH
- YOKE