Fluid Equipment Glossary

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1 Piping component Piping component

1.1 Pipe Pipe

pipe (manufactured in accordance with the standard specifications of piping) pipe

pipe (other pipe manufactured in accordance with the standard specifications of piping) tube

steel pipe steel pipe

cast iron pipe cast iron pipe

lining pipe Standard specifications) tube

steel pipe steel pipe

cast iron pipe cast iron pipe

lined pipe lined pipe

composite pipe clad pipe

carbon steel pipe carbon steel pipe

alloy steel pipe alloy steel pipe

Stainless steel pipe

Austenitic stainless steel pipe austenitic stainless steel pipe

Ferrous alloy steel pipe ferritic alloy steel pipe

Rolled steel pipe wrought-steel pipe

wrought-iron pipe

seamless (SMLS) steel pipe

welded steel pipe

resistance welded steel pipe electric- resistance welded steel pipe

Electric-fusion (arc)-welded steel-plate pipe

Spiral welded steel pipe spiral welded steel pipe

Galvanized steel pipe galvanized steel pipe

hot-rolled seamless pipe hot-rolling seamless pipe

cold-drawing seamless pipe cold-drawing seamless pipe

water-gas steel pipe water-gas steel pipe

plastic pipe plastic pipe

glass tube glass tube

rubber tube rubber tube

straight pipe run pipe; straight pipe

1.2 Fitting Fitting

elbow

reducing elbow reducing elbow

Base elbow with support

k radius elbow long radius elbow

short radius elbow short radius elbow

long radius 180° elbow long radius return

short Short radius elbow short radius return

Elbow with side outlet (right hand or left hand)

Double branch elbow (shape) double branch elbow

Tee tee

Reducing tee

Equal diameter tee straight tee

Tee with side outlet (right hand or left hand)

Reducing tee (reducing on outlet)

Reducing tee ( reducing on outlet)

Reducing tee (reducing on one run)

Base tee with support

Reducing tee (reducing on one run and outlet)

Reducing tee ( reducing on one run and outlet)

Reducing tee (reducing on both runs, bull head)

45° sloping tee 45° lateral

45° sloping tee (branch pipe) 45° lateral (reducing on branch)

45° slant tee (reducing on one run)

45° slant tee (reducing on one run and branch)

45° lateral (reducing on 45° lateral (reducing on one run and branch)

Y-type tee (commonly known as pants) true "Y"

Twenty-four cross

Equal diameter tee straight cross

Differential diameter tee reducing cross

Reducing cross (reducing on one outlet)

Reducing cross (reducing on one run and outlet)

Reducing cross (reducing on two branch port for reducing cross (reducing on both outlet)

Reducing cross (reducing on one run and both outlet)

Reducing tube reducer

Concentric reducer concentric reducer

Eccentric reducer eccentric reducer

Forged reducer reducing swage

Threaded branch pipe table threadolet

Welded branch pipe table weldolet

Half coupling half coupling

Reducing coupling

Living union

Internal and external threaded reduction coupling (commonly known as filler core) bushing

Pipe cap cap (C)

Plug plug

Short nipple

Reducing nipple; swage nipple

1.3 Bend

Prefabricated pipe bend

Fabricated pipe bend

Spanning bend (^ shape) cross- over bend

Offset bend (~ shape) offset bend

90° bend quarter bend

Circular bend cirele bend

Single offset 90° bend

Single offset quarter bend

1.3 Bend

S-shaped bend "S" bend

Single offset U-shaped expansion bend (| ?????) shape) single offset "U" bend

U-shaped bend "U" bend

Double offset U-shaped expansion bend double offset expansion "U" bend

Mitre bend

Three-piece mitre bend 3-piece mitre bend

Corrugated bend

Roundness roundness

1.4 Flange (FLG)

Integrated pipe flange integral pipe flange

Steel pipe flange steel pipe flange

Threaded flange threaded flange

Slip-on flange (including flat welding flange) slip-on flange ( SO); slip-on welding flange

socket welding flange socket welding flange

loose-joint flange lap joint flange (LJF)

butt-welding flange welding neckflange (WNF)

flange covers blind flange, blind

orifice flange orifice flange

reducing flange

pad type flange pad type flange

loose hubbed flange loose hubbed flange

welded plate type flange welding plate flange

Butt welding neck collar (similar to stub end)

Flat welding collar welding-on collar

Stub end, lap

Lapped pipe end end

Loose plate flange loose plate flange

Pressure class pressure rating, pressure rating class

Pressure-temperature rating pressure-temperature rating

Flange sealing face, flange facing flange facing

Raised face (RF)

Male face (MF)

Recessed face (FMF)

Tongue and groove face

Groove face

Flanges and grooves

Flange sealing face

ring joint face

full face; full face flat face; full face (FF)

smooth raised face (SRF)

flange facing finish

roughness roughness

smooth smooth

toothed serrated

root mean square (RMS)

arithmetic average roughness height (AARH)

Pairing flange companion-flange

Bolt circle (B.C.)

1.5 Gasket (GSKT)

Type of gasket

Flat gasket flat gasket

Ring flat gasket flat ring gasket

Flat metal gasket flat metal gasket

Rubber elastomer with cotton fabric insertion

Rubber elastomer with asbestos fabric insertion

Type of gasket

Rubber elastomer with asbestos fabric insertion and with wire reinforcement

Non-graphited compressed white asbestos gasket non graphited compressed white asbestos gasket

Natural white rubber gasket natural white rubber gasket

Compressed asbestos gasket compressed asbestos class gasket

Polytetrafluoroethylene impregnated asbestos gasket PTFE impregnated asbestos gasket

Spiral-wound metal gasket with asbestos filler

Inner ring inner ring

Outer ring, outer positioning ring outer ring

Corrugated metal gasket corrugated metal gasket

Corrugated metal gasket with asbestos inserted

Double jacketed corrugated metal double jacketed asbestos filled gasket

Double jacketed gasket double jacketed gasket

Flat metal jacketed asbestos filled gasket flat metal jacketed asbestos filled gasket

Whole metal serrated gasket solid metal serrated gasket

grooved metal gasket

ring joint metal gasket ring joint metal gasket

octagonal ring gasket

oval ring gasket oval ring gasket

Lens gasket lens gasket

Non-metallic gasket non-metallic gasket

1.6 Valve Valve

1.6.1 Valve structure, parts

Yoke yoke

Outside screw stem and yoke outside screw and yoke (OS & Y)

Stem stem

Inside screw inside screw (IS)

Yoke sleeve yoke sleeve

Stem ring stem ring

Valve seat valve seat (body seat)

Valve seat ring, seal ring seat ring

Integrated (valve) seat integral seat

Deposited (valve) seat deposited seat

Valve spool (including seals, rods and other internal parts) trim

Valve disc disc

Valve disc seal ring disc seat

< p>disc seal disc seat

valve body

valve cap bonnet

valve cap bush bonnet bush

threaded bonnet screw cap

threaded bonnet screw bonnet

bolted bonnet bolted bonnet (BB)

Living bonnet (cap) union bonnet (cap)

Bolted bonnet bolted cap (BC)

Welded bonnet welded bonnet (WB)

Body stem seal

Asbestos safety seal asbestos emenen seal

back seal

Pressure-sealed bonnet pressure-tight bonnet

Powered operator powered operator

Electric motor operator

pneumatic operator

hydraulic operator hydraulic operator

quick-acting operator

sliding stem

spur gear operated transmission spur gear operated

bevel gear operated

wrench operated

chain wheel chain wheel

hand wheel hand wheel

handle hand lever ( handle)

cylinder operated cylinder operated

chain operated chain operated

equal bore; full port

reduced bore, reduced port, venturi port

different bore venturi port

short pattern

compact type

cage ring lantern ring

gland gland

stem packing stem packing

bonnet gasket bonnet gasket

Rising stem (RS)

Non-rising stem (NRS)

Indicator/stopper indicator/stopper

Grease injector<

Replaceable seat ring

1.6.2 Commonly used valves

(1) Gate valve gate valve

Parallel double disc parallel seat

Opening wedge gate split wedge

Flexible solid wedge gate wrench flexible solid wedge

integral wedge gate solid wedge

plug gate valve plug gate valve

through conduit gate valve

(2) globe valve valve

Globe type disc

Plug type disc plug type disc

Rotatable swivel disc

(3) Throttle valve throttle valve

Needle valve

(4) Angle valve angle valve

(5) Y-valve (Y-body globe valve)

(6) Ball valve

Three-way ball valve

The trunnion mounted

Three-way ball valve

Equipped with a bottom shaft of the mounted

Fire safe type

Floating ball type

Blowout proof stem

(7) Butterfly valve

Holder type (sheet type) wafer type

lug type

Offset disc burerfly valve; eccentric butterfly valve

Canted disc butterfly valve

Link butterfly valve

(7) butterfly valve link butterfly valve

8) piston type valve

(9) plug valve plug valve

three-way plug valve

four-way plug valve

Cock

Sleeve cock

(10) diaphragm valve

Rubber lined diaphragm valve rubber lined diaphragm valve

Straight way diaphragm valve

Three-way plug valve

Four-way plug valve

Weir diaphragm valve

(11) Clamping hose valve pinch valve (for slurry, dust, etc.)

(12) Check valve check valve

Lift check valve lift

Swing check valve, flap check valve

Falling ball check valve ball check valve

Spring ball check valve spring ball check valve

Dual plate wafer type check valve

Dual plate check valve

Dual plate wafer type check valve

(12) check valve check valve

Non-slam cheek valve

Foot valve

Stop check valve; non-return valve

Piston check valve

Spring ball check valve

Dual plate wafer type check valve

Double plate wafer type check valve

Spring ball check valve

Double plate wafer type check valve

Tilting disc check valve

Butterfly check valve

1.6.3 Valves for other purposes

Safety relief valve safety valve (SV)

Safety relief valve (RV) relief valve (RV)

safety relief valve safety relief valve

lever and weight type lever and weight type

pilot operated safety valve pilot operated safety valve

twin type safety valve twin type safety valve

flush-bottom tank valve

solenoid valve, solenoid operated valve

electrically operated valve, electric-motor operated valve

electrical valve valve, electric-motor operated valve

pneumatic operated valve

cryogenic service valve

steam trap steam trap

mechanical trap Yan mechanical trap

Float bucket trap open bucket trap, open top bucket trap

Float trap float trap

Inverted bucket trap

Free float trap loose float trap

Thermostatic trap

Metal expansion steam trap metal expansion steam trap

Liquid expansion steam trap

bimetallic expansion steam trap

Balanced pressure thermostatic trap

Thermodynamic trap

impulse steam trap impulse steam trap

Air vent valve (automatic air vent valve) (for traps)

Flat plate type sliding gate valve slab type sliding gate valve

Cover valve flat valve

Diverting valve, reversing valve

Thermal expansion valve thermo expansion valve

Automatic closing gate valve

Automatic draining valve self draining valve

Pipeline blind valve line-blind valve

Squeeze valve (for mud and dust, etc.)

Breather valve

Dampers, damper

Pressure reducing valve, reducing valve

Pressure reduction valve pressure reducing valve, reducing valve

Control valve control valve

Diaphragm operated control valve

Actuator actuator

Back pressure regulating valve back pressure regulating valve

Differential pressure regulating valve

Pressure ratio regulating valve pressure ratio regulating valve

1.6.4 No Valves of specified structure (or type)

block valve; shut-off valve; stop valve

regulating valve regulating valve

quick opening valve

quick closing valve quick closing valve valve

Isolating valve

Three way valve

Jacketed valve

Non-rotary valve

Blowdown valve

Collector drain valve

collector drain valve drip valve

drain valve

vent valve vent valve

unloading valve

discharge valve discharge valve

suction valve

multiport valve

sampling valve sampling valve

manual valve hand-operated valve; manually operated valve

forged valve

cast valve cast valve

(water) faucet bibb; bib; faucet

bleed valve

by-pass valve

hose valve

mixing valve

vacuum breaker

vacuum valve vacuum breaker

flush valve

first valve; primary valve

root valve

header valve

accident cut-off valve emergency valve

1.7 Piping Specialty

1.7.1 Piping Specialty (Components)

Rough strainer strainer

Filter filter

Temporary rough strainer (cone type)

y-type strainer y-type strainer

T-type strainer T-type strainer

Permanent filter permanent filter

Screen strainer gauze strainer

Eye washer and shower eye washer and shower

Sight glass sight glass

Fire arrester flame arrester

Nozzle spray nozzle

Sample cooler sample cooler

Muffler silencer

Expansion joint expansion joint

Eye washer and shower

Eye wash and shower eye washer and shower joint

Corrugated expansion joint bellow expansion joint

Single bellow

Double bellow

Multiple bellow

Pressure balance expansion joint pressure balanced expansion

With hinged expansion joint hinged expansion joint

Axial movement type expansion joint axial movement type expansion joint

Self-equalizing expansion joint (outer reinforcing ring) self-equalizing expansion joint

Tied expansion joint

Universal type expansion joint

Ball type expansion joint

Fill letter type Compensator slip type (packed type) expansion joint

One-way sliding stuffing box compensator single actionpacked slip joint

1.7.2 Piping Special Element

Hose connection (HC) hose connection (HC)

Quick coupling quick coupling

Metal hose metal hose

Rubber hose rubber hose

Flexible tube flexible tube

Saddles reinforcement plate reinforcing saddles

Reinforcement pad

Special flange special flange

Funnel funnel

Drain ring drip ring

Drain funnel drain funnel

Plug plate blank

Gasket ring spacer

Figure 8 blind spectacle blind; figure 8 blind

Restriction orifice plate restriction orifice

Rupture disk

Flange cover veneer protective disc

Fittings victoria

Fittoric coupling victaulic coupling

1.8 End Connection

Flanged end

Beveled end beveled end (BE)

Butt welded end butt welded end

Flat end plain end (PE)

socket welding end socket welding end

threaded end (TE)

socket bell end

welding end welding end

flanged joint

Butt welded joint

Threaded joint, pipe threaded joint threaded joint, pipe threaded joint

Tapered pipe threaded seal-welded connection seal-welded taper pipe threaded joint

Socket welded joint bell and spigot joint

Ring joint (RJ)

Universal joint

Soft brazed joint

Soldered joint

Soldered joint, pipe threaded joint

Seal-welded taper pipe threaded joint

Socket welded joint

lap joint, lapped joint lapped joint

bevel for outside thickness

bevel for inside thickness

internal external thickness bevel for combined thickness

Flanged flanged (FLGD)

Butt welded (BW)

Threaded (THD)

Socket welded (SW)

Small end flat small end plain small end plain (SEP)

large end plain (LEP)

both ends plain (BEP)

small end threaded (SET)

large end threaded large end thread (LET)

both end thread (BET)

one end thread (OET)

branch connection branch connection

Branch pipe welded directly to the run pipe