A summary of English-Chinese terms related to fluid pipelines and equipment for sharing with everyone (Part 1)

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1 Piping components
Piping component
1.1 Pipes
Pipe – Pipe manufactured in accordance with piping standard specifications
pipe – Other pipes not manufactured in accordance with piping standard specifications
tube – Steel pipe
cast iron pipe – Lined pipe
clad pipe – Carbon steel pipe
alloy steel pipe – Stainless steel pipe
austenitic stainless steel pipe – Ferritic alloy steel pipe
wrought-steel pipe – Wrought-iron pipe
seamless (SMLS) steel pipe – Welded steel pipe
electric-resistance welded steel pipe – Electric-fusion (arc)-welded steel-plate pipe
spiral welded steel pipe – Galvanized steel pipe
hot-rolling seamless pipe – Cold-drawing seamless pipe
water-gas steel pipe – Plastic pipe
glass tube – Rubber tube
run pipe; straight pipe
1.2 Fittings
Elbow – Reducing elbow
base elbow – Long radius elbow
short radius elbow – Long radius 180° elbow
short radius 180° elbow – Side outlet elbow (right hand or left hand)
double branch elbow – Tee
straight tee – Side outlet tee (right hand or left hand)
reducing tee (reducing on outlet) – Reducing tee (reducing on one run)
base tee – Reducing tee (reducing on one runoutlet)
reducing tee (reducing on both runs, bull head) – 45° lateral
45° lateral (reducing on branch) – 45° lateral (reducing on one run)
45° lateral (reducing on one runbranch) – True “Y”
cross – Straight cross
reducing cross – Reducing cross (reducing on one outlet)
reducing cross (reducing on one runoutlet) – Reducing cross (reducing on both outlet)
reducing cross (reducing on one runboth outlet) – Y-type tee (commonly known as “pants”)
reducer – Concentric reducer
eccentric reducer – Reducing swage
threadolet – Weldolet
sockolet – Elbolet
latrolet – Sweepolet
nipolet – Boss
Coupling, full coupling – Half coupling
Reducing coupling – Union
Bushing – Cap (C)
Plug – Nipple
Reducing nipple; swage nipple
1.3 Bends
Fabricated pipe bend – Cross-over bend
offset bend – Quarter bend
cirele bend – Single offset 90° bend (? shape)
“S” bend – Single offset “U” bend (| ? shape)
“U” bend – Double offset expansion “U” bend
mitre bend – 3-piece mitre bend
corrugated bend – Roundness
1.4 Flanges (FLG)
Integral pipe flange – Steel pipe flange
threaded flange – Slip-on flange (SO); slip-on welding flange
socket welding flange – Lap joint flange (LJF)
welding neckflange (WNF) – Blind flange, blind
Orifice flange – Reducing flange
Pad type flange – Loose hubbed flange
Welding plate flange – Welding neck collar (similar to stub end)
Welding-on collar – Lapped pipe end
Loose plate flange – Pressure rating, pressure rating class
Pressure-temperature rating – Flange facing
Raised face (RF) – Male face (MF)
Female face (FMF) – Tongue face
Groove face – Ring joint face
Full plane； Full plane; flat face; full face (FF). Smooth raised face (SRF). Facing finish. Roughness. Smooth. Serrated. Root mean square (RMS). Arithmetical average roughness height (AARH). Companion-flange. Bolt circle (B.C.). Gasket (GSKT). Type of gasket: flat gasket, flat ring gasket, flat metal gasket. Elastomer with cotton fabric insertion. Elastomer with asbestos fabric insertion. Elastomer with asbestos fabric insertion and wire reinforcement. Non graphited compressed white asbestos gasket. Natural white rubber gasket. Compressed asbestos class gasket. PTFE impregnated asbestos gasket. Spiral-wound metal gasket with asbestos filler. Inner ring. Outer ring, outer positioning ring. Corrugated metal gasket. Corrugated metal gasket with asbestos inserted. Corrugated metal double jacketed asbestos filled gasket. Double jacketed gasket. Flat metal jacketed asbestos filled gasket. Solid metal serrated gasket. Grooved metal gasket. Ring joint metal gasket. Octagonal ring gasket. Oval ring gasket. Lens gasket. Non-metallic gasket. Valve. Valve structure and components: yoke. Outside screwyoke (OS & Y). Stem. Inside screw (IS). Yoke sleeve. Stem ring. Valve seat (body seat). Seat ring, sealing ring. Integral seat. Deposited seat. Trim (including sealing ring, stem, etc.). Disc. Disc seat. Body. Bonnet. Bonnet bush. Screw cap. Screw bonnet. Bolted bonnet (BB). Union bonnet (cap). Bolted cap (BC). Welded bonnet (WB). Body stem seal. Asbestos emenen seal. Back seal. Pressure-tight bonnet. Powered operator. Electric motor operator. Pneumatic operator. Hydraulic operator. Quick-acting operator. Sliding stem. Spur gear operated. Bevel gear operated. Wrench operated. Chain wheel. Hand wheel. Hand lever (handle). Cylinder (or hydraulic cylinder) operated. Chain operated. Full bore; full port. Reducing bore, reduced port, venturi port. Short pattern. Compact type. Lantern ring. Gland. Stem packing. Bonnet gasket. Rising stem (RS). Non-rising stem (NRS). Indicator/stopper. Grease injector. Renewable seat ring. Common valves: (1) Gate valve: double disc parallel seat, split wedge, flexible solid wedge, solid wedge. Plug gate valve. Through conduit gate valve. (2) Globe valve: globe type disc, plug type disc, swivel disc. (3) Throttle valve. Needle valve. (4) Angle valve. (5) Y-valve (Y-body globe valve). (6) Ball valve: 3-way ball valve, trunnion mounted, fire safe type, floating ball type, blowout proof stem. (7) Butterfly valve: wafer type, lug type, offset disc butterfly valve; eccentric butterfly valve, canted disc butterfly valve, link butterfly valve. (8) Piston type valve. (9) Plug valve: three-way plug valve, four-way plug valve. Sleeve cock. (10) Diaphragm valve: rubber lined diaphragm valve, straight way diaphragm valve, weir diaphragm valve. (11) Pinch valve (for mud, dust, etc.). (12) Check valve: lift check valve, swing check valve, flap check valve, ball check valve, spring ball check valve, dual plate wafer type check valve, non-slam cheek valve. Foot valve. Stop check valve; non-return valve. Piston check valve. Tilting disc check valve. Butterfly check valve. Valves for other purposes: Safety valve (SV). Relief valve (RV). Safety relief valve. Leverweight type. Pilot operated safety valve. Twin type safety valve. Flush-bottom tank valve. Solenoid valve, solenoid operated valve. Electrically operated valve, electric-motor operated valve. Pneumatic operated valve. Cryogenic service valve. Steam trap: mechanical trap, open bucket trap, open top bucket trap, float trap, inverted bucket trap, loose float trap, thermostatic trap, metal expansion steam trap, liquid expansion steam trap, bimetallic expansion steam trap, balanced pressure thermostatic trap, thermodynamic trap, impulse steam trap. Air vent valve (automatic air vent valve) (for steam traps). Slab type sliding gate valve. Flat valve. Diverting valve, reversing valve. Thermo expansion valve. Self-closing gate valve. Self-draining valve. Line-blind valve. Squeeze valve (for mud and dust, etc.). Breather valve. Damper. Pressure reducing valve, reducing valve. Control valve: diaphragm operated control valve. Actuator. Back pressure regulating valve. Differential pressure regulating valve. Pressure ratio regulating valve. Valves with unspecified structure (or type): Block valve; shut-off valve; stop valve. Regulating valve. Quick opening valve. Quick closing valve. Isolating valve. Three way valve. Jacketed valve. Non-rotary valve. Blowdown valve. Drip valve. Drain valve. Vent valve. Unloading valve. Discharge valve. Suction valve. Multiport valve. Sampling valve. Hand-operated valve; manually operated valve. Forged valve. Cast valve. Faucet. Bleed valve. By-pass valve. Hose valve. Mixing valve. Vacuum breaker. Flush valve. First-stage valve ； Root valve, primary valve, root valve, header valve, emergency valve. 1.7 Piping Specialty: 1.7.1 Piping specialty components – Coarse strainer, filter; Temporary coarse strainer (cone type), Y-type strainer, T-type strainer; Permanent filter, Gauze strainer; Eye washer and shower; Sight glass; Flame arrester; Nozzle ； spray nozzle sample cooler silencer silencer expansion joint expansion joint bellow expansion joint single bellow double bellow multiple bellow pressure balanced expansion hinged expansion joint axial displacement expansion joint a* al movement type expansion joint self-equalizing expansion joint (external reinforcement ring) self-equalizing expansion joint tied expansion joint universal type expansion joint ball type expansion joint ball type expansion joint slip type (packed type) expansion joint one-way sliding stuffing box compensator single actionpacked slip joint 1.7.2 Piping Special Element Piping Special Element hose connection (HC) quick coupling quick coupling metal hose metal hose rubber hose rubber hose flexible pipe fle * ble tube reinforcing saddles reinforcement pad special flange funnel drain ring drain ring drain funnel blank spacer 8-shaped blind plate spectacle blind; figure 8 blind restriction orifice rupture disk rupture disk flange cover protective disc victaulic coupling 1.8 End Connection flanged end beveled end (BE) butt welded end plain end (PE) socket welding end threaded end (TE) bell end welded end welding end flanged joint flanged joint butt welded joint threaded joint, pipe threaded joint taper pipe threaded joint seal-welded taper pipe threaded joint socket welded joint socket welded joint bellspigot joint ring joint (RJ) universal joint soldered joint lapped joint lapped joint bevel for outside thickncss bevel for inside thickness Bevel for combined thickness flanged (FLGD) butt welded (BW) threaded (THD) socket welded (SW) small end plain (SEP) large end plain (LEP) both ends plain (BEP) small end thread (SET) large end thread (LET) both end thread (BET) one end thread one end thread (OET) branch connection branch pipe welded directly to the run pipe 2 Fasteners and threads for pipes 2.1 Fastener bolt hexagonal head bolt square head bolt stud, stud bolt eye bolt countersunk (head) screw anchor bolt anchor bolt; foundation bolt turnbuckle turnbuckle U-bolt T-bolt round head bolt machine bolt maehine bolt Jack screw self-tapping screw expansion bolt expansion bolt rough coarse refined, fine nut hexagonal nut square nut square nut Wing nut, flat nut, lock nut, lock nut, washer, plain washer, spherical washer, spring washer, spring washer, square washer, oblique washer, slant washer, pinned shan pin, cotter pin, cotter pin, positioning pin, dowel pin, pin with hole, taper pin, taper pin, rivet, key2.2 Thread left hand thread right hand thread pipe thread pipe thread taper pipe thread taper pipe thread straight pipe thread trapezoid thread pitch of thread coarse thread fine thread fine thread extra fine thread extra fine thread full thread whitworth thread metric thread metric ibread American standard tapered pipe thread American standard taper pipe thread (NPT) tap 3 Materials, steel and fillers 3.1 Metal materials 3.1.1 Ferrous Metal carbon steel carbon steel (CS) low-carbon steel medium-carbon steel high-carbon steel general carbon steel high-quality steel carbon general structure low-alloy steel structural alloy steel alloy steel low alloy steel medium alloy steel high alloy steel heat resisting steel high strength steel clad steel tool steel spring steel molybdenum steel nickel steel nickel steel chromium steel chrome-molybdenum steel chromium-nickel steel, chrome-nickel steel stainless steel (SS) Austenitic stainless steel Martensitic stainless steel Stellite Corrosion-resistant and heat-resistant nickel-based alloy Hastelloy Inconel Heat-resistant incoloy 20 alloy Open hearth steel (Martin steel) Martin steel Killed steel Semi-killed steel Boiled steel rimmed steel; rimming steel; open-steel forged steel cast steel cast iron (CI) gray cast iron malleable iron (MI) nodular cast iron; nodular graphite iron pig iron pig iron wrought iron, wrought iron casting casting high silicon cast iron high silicon cast iron3.1.2 plating and manufacturing methods chromized steel, chromized steel chromium-plated, chrome-plated plating plating forging, steel swage forging, forging rolling hot rolling hot rolling cold rolling extruding cold working cold working hot working drawing 3.1.3 non-ferrous metal non-ferrous metal aluminum aluminum copper, copper copper copper brass bronze bronze aluminum bronze aluminum bronze phosphor bronze aluminum magnesium manganese bronze monel (note: Nickel and copper alloy) Monel nickel copper alloy nonferrous alloy titanium lead hard lead hard lead3.1.4 material properties ultimate strength tensile strength yield limit yield point yield point percentage elongation compressive strength bending strength bending strength elastic limit elastic limit impact value fatigue limit fatigue limit Creep limit creep limit Endurance limit Brinell hardness Rockwell hardness Vickers diamond hardness, diamond penetrator hardness Creep rupture strength Creep rupture strength Reduction of area toughess brittleness ductility cold shortness cold flow3.2 Non-metallic Material Plastic Acrylonitrile-butadiene-styrene (ABS) polyethylene (PE) polyvinyl chloride (PVC) styrene-rubber (SR) polybutylene (PB) polypropylene (PP) polystyrene (PS) chlorinated polyether (CPE) polyamide polyamide (PA) polycarbonate (PC) polymethyl methacrylate (PMMA) cellulose acetate butyrate (CAB) chlorinated polyvinyl chloride (CPVC) polyvinylidene fluoride (PVDF) acetal plastic nylon plastic polyolefin polyolefin (PO) graphite phenolic plastics polytetrafluoroethylene (PTFE) fiber reinforced thermoplastics thermoplastic thermosetting plastics adhesive solvent cement resin resin epoxy, epoxy resin polyester resin polyester resin polyester fibers polyester fibers fluoroplastics polyurethane polyurethane acrylic resin urea resin furan resin ethylene propylene diene monomer (EPDM) synthetic rubber rubber nitrile butadiene rubber chloroprene neoprene natural rubber ethylene propylene rubber (EPR) glass borosilicate glass fire brick ceramic ceramic enamel porcelain enamel wood3.3 shaped steel, section steel, swage angle steel channel steel channel I-beam wide flanged beam I-beam or H steel wide flanged beam T-bar square steel square bar flat bar flat bar hexagonal steel bar round steel; rod Steel strip strap steel plate checkered plate checkered plate web (referring to the vertical plate of section steel) web flange (referring to the edge of section steel) wing3.4 packing and stuffing box packing packing asbestos rope, asbestos cord. O-ring O-ring self-sealing Teflon tap rope with inconel wire, inconel wire asbestos rope with inconel wire, inconel wire asbestos Teflon impregnated asbestos packing metallic stuffing packing box, stuffing box stuffing box gland 4 Pipe grade and material statistics 4.1 Piping Material Specificationpiping class; piping classificationclass designationnominal diameter (DN); nominal (pipe) sizenominal pressurenominal pressure (PN) pressure class, grade, category (CL) low pressure (LP) medium pressure (MP) high pressure (HP) atmospheric pressure atmosphere (ATM) vacuum operating pressure; working pressure design pressure operating temperature design temperature ambient temperature corrosion allowance piping attachment piping element wall thickness (WT) schedule number (SCH. No.) extra heavy, extra strong double extra heavy, double extra strong general connection group typoial installation grouping (class) form (such as pipe grade table) block form database data base file file4.2 Material Take-off (MTO) summary sheet bill of material (BM) consolidated piping material summary sheet (CPMSS) accuracy of take-off material status report (MSR) bulk material itemized code code number short code quantity (QTY) weight net weight net weight gross weight 5 Equipment layout and piping layout Plot PlanPiping Layout, EquipmentPiping Arrangement5.1 Equipment name Equipment Name5.1.1 Vessel(1) tower tower, column scrubber absorber cooling tower cooling tower rectifying tower fractionating tower distillation tower regenerating tower prflling tower stripper degasifier synthesis tower (2) reactor reactor polymerizer converter desulfurization reactor desulfurization reactor methanator (3) gas tank gas-holder helical gas-holder wet gas-holder dry gas-holder (4) tank storage tank; storage buffer tank knock out drum spherical tank spheroid, spherical tank drum drum receiver metering tank measuring tank feed tank blow down tank flash drum steam drum solution storage tank sloptank (5) other equipment separator cyclone cyclone molecular sieve molecular sieve deaerator deaerator agitator tank dryer mixer extractor crystallizer crystallizer gravity settler purifier vaporizer adsorber melter melter desuperheater booster ejector nozzle sprayer torch flare silencer silencer (6) heat exchanger, heater, cooler heat exchanger heat exchanger air cooler air cooler Water cooler water cooler condenser spiral plate heat exchanger spiral plate heat exchanger evaporator reboiler quencher chiller chiller preheater reheater heater electric heater electric heater super heater feed water heater inter cooler inter cooler after cooler after cooler5.1.2 Industrial furnaces and boilers furnace furnace burner boiler boiler chimney stack waste heat boiler waste heat boiler auxiliary boiler au * liary boiler economizer direct-fired heater radiant section convection section cracking furnace reformer incinerator rotary kiln furnace tube furnace tube soot blower observation hole observation door, peep door explosion doo5.2 name of auxiliary room 5.2.1 production room analysis room analyzer room Transformer room transformer room distribution room, substation, switch room battery room control room control room ventilation room ventilating room storage room maintenance room maintenance room office office5.2.2 living room farm room locker room washroom, toilet closet, lavatory, toilet5.3 Picture name piping arrangement plan (PAP) piping layout piping layout isometric drawing zoning index map key plan preliminary plot plan (“A” issue) internal approval plot plan (“B” issue) internal approval plot plan (“B” issue) user approval plot plan (“C” issue) owner approval plot plan (“C” issue) confirm plot plan (“D” issue) research version equipment layout plan (“e” version) planning plot plan ( “E” issue) Designing plot plan (“F” issue) Construction plot plan (“G” issue) 5.4 compressor house (room) pump house (room) eye washer station foam station hose station (HS), utility station package unit facilities facilities tank yard air separation facility5.5 equipment layout equipment location number equipment item number factory plant factory boundary plant limit project boundary inside battery limit (ISBL) project boundary batterylimit (BL) area boundary area limit zone boundary zone iimit off site east east (E) west west (W) south south (S) north north (N) up down plant north direction true north direction true north road road small aisle cat walk, cat way walk way, gangway, access way sump pit (well) sump pit catch basin trench through reserved area trough site future area paved area unpaved area gravel paving gravel paving rubber paving rubber paving area, area area volume, volume volume (VOL) 5.6 piping layout piping design piping study piping study routing study critical piping above ground piping underground piping under ground piping network of pipes pipe rack pipe trench piping trench line spacing line span header, manifold bypass by pass drain drain vent riser, vertical riser conduit canduit bare pipe bare pipe iine fitting to fitting (FTF) pipe section, interface spool piece, spool sampling connection drip leg tracing pipe steam tracing hot-water tracing electrical tracing jacketed line, jacketed piping fully jacketed plan detail “ ” view “AA” hook up drawing continue on drawing (COD) match line (ML) scale legend symbol list of nozzles orientation orientation nozzle orientation location intersection horizontal horizontal vertical, vertical vertical vertical, orthogonal, perpendicular parallel, parallel parallel horizontal installation horizontal installation Vertical installation vertical installafion symmetric symmetric opposite clock wise counter clock wise computer aided design (CAD)5.7 absolute elevation sea level elevation over-sea mean level (OSL) elevation, elevation elevation (EL) top of concrete top of support (TOS) top of steel top of steel structure top of beam (TOB) point of suppon (POS) top of pipe (TOP) bouom of pipe (BOP) boaom of trench invert (inside bottom of pipe) flat on bottom (FOB) flat on top (FOT) working point (WP) face to face (FF) center to end (CE) center to center to face (CF) center to center, center to center (CC) coordinate origin of coordinate center line of discharge center line of suction centerline (CL) inlet, suction outlet, discharge exhaust distance distance