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1 ¹ÜµÀ×é³É¼þ Piping component 1.1 ¹Ü×Ó Pipe ¹Ü×Ó(°´ÕÕÅä¹Ü±ê×¼¹æ¸ñÖÆÔìµÄ) pipe ¹Ü×Ó(²»°´Åä¹Ü±ê×¼¹æ¸ñÖÆÔìµÄÆäËûÓùÜ) tube ¸Ö¹Ü steel pipe ÖýÌú¹Ü cast iron pipe ³ÄÀï¹Ü lined pipe ¸´ºÏ¹Ü clad pipe ̼¸Ö¹Ü carbon steel pipe ºÏ½ð¸Ö¹Ü alloy steel pipe ²»Ðâ¸Ö stainless steel pipe °ÂÊÏÌå²»Ðâ¸Ö¹Ü austenitic stainless steel pipe ÌúºÏ½ð¸Ö¹Ü ferritic alloy steel pipe ÔþÖÆ¸Ö¹Ü wrought-steel pipe ¶ÍÌú¹Ü wrought-iron pipe ÎÞ·ì¸Ö¹Ü seamless (SMLS) steel pipe º¸½Ó¸Ö¹Ü welded steel pipe µç×躸¸Ö¹Ü electric-resistance welded steel pipe µçÈÛ£¨»¡£©º¸¸Ö°å¾í¹Ü electric-fusion (arc)-welded steel-plate pipe ÂÝÐýº¸½Ó¸Ö¹Ü spiral welded steel pipe ¶ÆÐ¿¸Ö¹Ü galvanized steel pipe ÈÈÔþÎÞ·ì¸Ö¹Ü hot-rolling seamless pipe Àä°ÎÎÞ·ì¸Ö¹Ü cold-drawing seamless pipe Ë®ÃºÆø¸Ö¹Ü water-gas steel pipe ËÜÁÏ¹Ü plastic pipe ²£Á§¹Ü glass tube Ïð½º¹Ü rubber tube Ö±¹Ü run pipe; straight pipe 1.2 ¹Ü¼þ Fitting ÍäÍ· elbow Òì¾¶ÍäÍ· reducing elbow ´øÖ§×ùÍäÍ· base elbow k°ë¾¶ÍäÍ· long radius elbow ¶Ì°ë¾¶ÍäÍ· short radius elbow ³¤°ë¾¶180¡ãÍäÍ· long radius return ¶Ì°ë¾¶180¡ãÍäÍ· short radius return ´ø²àÏò¿ÚµÄÍäÍ·£¨ÓÒÏò»ò×óÏò£© side outlet elbow (right hand or left hand) ˫֧¹ÜÍäÍ·£¨ ÐΣ© double branch elbow Èýͨ tee Òì¾¶Èýͨ reducing tee µÈ¾¶Èýͨ straight tee ´ø²àÏò¿ÚµÄÈýͨ£¨ÓÒÏò»ò×óÏò£© side outlet tee (right hand or 1eft hand) Òì¾¶Èýͨ£¨·ÖÖ§¿ÚΪÒì¾¶£© reducing tee (reducing on outlet) Òì¾¶Èýͨ£¨Ò»¸öֱͨ¿ÚΪÒì¾¶£©reducing tee (reducing on one run) ´øÖ§×ùÈýͨ base tee Òì¾¶Èýͨ£¨Ò»¸öֱͨ¿Ú¼°·ÖÖ§¿ÚΪÒì¾¶£© reducing tee (reducing on one run and outlet) Òì¾¶Èýͨ£¨Á½¸öֱͨ¿ÚΪÒì¾¶£¬Ë«Í·Ê½£© reducing tee (reducing on both runs, bull head) 45¡ãбÈýͨ 45¡ã lateral 45¡ãбÈýͨ£¨Ö§¹ÜΪÒì¾¶£© 45¡ã lateral (reducing on branch) 45¡ãбÈýͨ(Ò»¸öֱͨ¿ÚΪÒì¾¶) 45¡ã lateral (reducing on one run) 45¡ãбÈýͨ(Ò»¸öֱͨ¿Ú¼°Ö§¹ÜΪÒì¾¶) 45¡ã lateral (reducing on one run and branch) YÐÍÈýͨ£¨Ë׳ƿãñã© true ¡°Y¡± ËÄͨ cross µÈ¾¶ËÄͨ straight cross Òì¾¶ËÄͨ reducing cross Òì¾¶ËÄͨ£¨Ò»¸ö·ÖÖ§¿ÚΪÒì¾¶£©reducing cross (reducing on one outlet) Òì¾¶ËÄͨ£¨Ò»¸öֱͨ¿Ú¼°·ÖÖ§¿ÚΪÒì¾¶£© reducing cross (reducing on one run and outlet) Òì¾¶ËÄͨ£¨Á½¸ö·ÖÖ§¿ÚΪÒì¾¶£© reducing cross (reducing on both outlet) Òì¾¶ËÄͨ£¨Ò»¸öֱͨ¿Ú¼°Á½¸ö·ÖÖ§¿ÚΪÒì¾¶£© reducing cross (reducing on one run and both outlet) Òì¾¶¹Ü reducer ͬÐÄÒì¾¶¹Ü concentric reducer Æ«ÐÄÒì¾¶¹Ü eccentric reducer ¶ÍÖÆÒì¾¶¹Ü reducing swage ÂÝÎÆÖ§¹Ų̈ threadolet º¸½ÓÖ§¹Ų̈ weldolet ³Ð²åÖ§¹Ų̈ sockolet ÍäÍ·Ö§¹Ų̈ elbolet б½ÓÖ§¹Ų̈ latrolet ÏâÈëʽ֧¹Ü×ì sweepolet ¶Ì¹ÜÖ§¹Ų̈ nipolet Ö§¹Ų̈£¬²åÈëʽ֧¹Ų̈ boss ¹Ü½ÓÍ· coupling, full coupling °ë¹Ü½ÓÍ· half coupling Òì¾¶¹Ü½ÓÍ· reducing coupling »î½ÓÍ· union ÄÚÍâÂÝÎÆËõ½Ó£¨Ë׳Ʋ¹Ð¾£© bushing ¹Üñ cap (C) ¶ÂÍ· plug ¶Ì½Ú nipple Òì¾¶¶Ì½Ú reducing nipple; swage nipple 1.3 Íä¹Ü Bend Ô¤ÖÆÍä¹Ü fabricated pipe bend ¿çÔ½Íä¹Ü£¨^ ÐΣ© cross-over bend Æ«ÖÃÍä¹Ü£¨~ ÐΣ© offset bend 90¡ãÍä¹Ü quarter bend »·ÐÎÍä¹Ü cirele bend µ¥²àÆ«ÖÃ90¡ãÍä¹Ü£¨? ÐΣ© single offset quarter bend SÐÎÍä¹Ü ¡°S¡± bend µ¥²àÆ«ÖÃUÐÎÅòÕÍÍä¹Ü£¨| ?ÐΣ© single offset ¡°U¡± bend UÐÎÍä¹Ü ¡°U¡± bend ˫ƫÖÃUÅòÕÍÍä¹Ü double offset expansion ¡°U¡± bend б½ÓÍä¹Ü mitre bend Èý½Úб½ÓÍä¹Ü 3-piece mitre bend ÕÛÖåÍä¹Ü corrugated bend Ô²¶È roundness 1.4 ·¨À¼ Flange (FLG£© ÕûÌå¹Ü·¨À¼ integral pipe flange ¸Ö¹Ü·¨À¼ steel pipe flange ÂÝÎÆ·¨À¼ threaded flange »¬Ì×·¨À¼£¨°üÀ¨Æ½º¸·¨À¼£© slip-on flange (SO); slip-on welding flange ³Ð²åº¸·¨À¼ socket welding flange ËÉÌ×·¨À¼ lap joint flange (LJF) ¶Ôº¸·¨À¼ welding neckflange (WNF) ·¨À¼¸Ç blind flange, blind ¿×°å·¨À¼ orifice flange Òì¾¶·¨À¼ reducing flange ÅÌ×ùʽ·¨À¼ pad type flange ËÉÌ×´ø¾±·¨À¼ loose hubbed flange º¸½Ó°åʽ·¨À¼ welding plate flange ¶Ôº¸»· welding neck collar £¨Óëstub endÏàËÆ£© ƽº¸»· welding-on collar ͻԵ¶Ì½Ú stub end, lap ·±ß¶Ë lapped pipe end ËÉÌ×°åʽ·¨À¼ loose plate flange ѹÁ¦¼¶ pressure rating, pressure rating class ѹÁ¦¡ªÎ¶ȵȼ¶ pressure-temperature rating ·¨À¼ÃÜ·âÃæ£¬·¨À¼Ãæ flange facing Í»Ãæ raised face (RF) Í¹Ãæ male face (MF) °¼Ãæ female face (FMF) é¾Ãæ tongue face ²ÛÃæ groove face »·Á¬½ÓÃæ ring joint face È«Æ½Ãæ£»ÂúÆ½Ãæ flat face; full face (FF) ¹â»¬Í»Ãæ smooth raised face (SRF) ·¨À¼Ãæ¼Ó¹¤ facing finish ´Ö²Ú¶È roughness ¹â»¬µÄ smooth ³ÝÐÎ serrated ¾ù·½¸ù root mean square (RMS) ËãÊõƽ¾ù´Ö²Ú¸ß¶È arithmetical average roughness height (AARH) Åä¶Ô·¨À¼ companion-flange ÂÝ˨Բ bolt circle (B.C.) 1.5 µæÆ¬ Gasket (GSKT) µæÆ¬µÄÐÍʽ type of gasket ƽµæÆ¬ flat gasket »·ÐÎÆ½µæÆ¬ flat ring gasket ƽ½ðÊôµæÆ¬ flat metal gasket ¼ÐÃÞÖ¯ÎïµÄÏ𽺠elastomer with cotton fabric insertion ¼ÐʯÃÞÖ¯ÎïµÄÏ𽺠elastomer with asbestos fabric insertion ¼ÐʯÃÞÖ¯Îï¼°½ðÊôË¿¼ÓÇ¿µÄÏ𽺠elastomer with asbestos fabric insertion and with wire reinforcement ÎÞʯīѹËõ°×ʯÃÞµæÆ¬ non graphited compressed white asbestos gasket ÌìÈ»°×Ïð½ºµæÆ¬ natural white rubber gasket ѹËõʯÃÞµæÆ¬ compressed asbestos class gasket ½þ¾ÛËÄ·úÒÒÏ©µÄʯÃÞµæÆ¬ PTFE impregnated asbestos gasket ¼ÐʯÃ޵IJøÈƽðÊôµæÆ¬ spiral-wound metal gasket with asbestos filler ÄÚ»· inner ring Íâ»·£¬Íⶨλ»· outer ring ²¨ÎƽðÊôµæÆ¬ corrugated metal gasket ²¨ÎƽðÊô°üǶʯÃÞµæÆ¬ corrugated metal gasket with asbestos inserted Ë«¼ÐÌײ¨ÎƽðÊô°üʯÃÞµæÆ¬ corrugated metal double jacketed asbestos filled gasket Ë«¼ÐÌ×µæÆ¬ double jacketed gasket ½ðÊô°üʯÃÞÆ½µæÆ¬ flat metal jacketed asbestos filled gasket ÕûÌå½ðÊô³ÝÐÎµæÆ¬ solid metal serrated gasket ²ÛÐνðÊôµæÆ¬ grooved metal gasket »·ÐÎÁ¬½Ó½ðÊôµæÆ¬ ring joint metal gasket °Ë½Ç»·ÐÎµæÆ¬ octagonal ring gasket ÍÖÔ²»·ÐÎµæÆ¬ oval ring gasket ͸¾µÊ½µæÆ¬ lens gasket ·Ç½ðÊôµæÆ¬ non-metallic gasket 1.6 ·§ÃÅ Valve 1.6.1 ·§ÃŽṹ¡¢Áã¼þ ·§éî yoke ÍâÂÝÎÆ·§¸Ë¼°·§éî outside screw and yoke (OS & Y) ·§¸Ë stem ÄÚÂÝÎÆ inside screw (IS) ·§éîÌ× yoke sleeve ·§¸Ë»· stem ring ·§×ù valve seat (body seat) ·§×ù»·¡¢ÃÜ·âȦ seat ring ÕûÌ壨·§£©×ù integral seat ¶Ñº¸£¨·§£©×ù deposited seat ·§Ð¾£¨°üÀ¨ÃÜ·âȦ¡¢¸ËµÈÄÚ¼þ£© trim ·§ÅÌ disc ·§ÅÌÃÜ·âȦ disc seat ·§Ìå body ·§¸Ç bonnet ·§¸Ç³ÄÌ× bonnet bush ÂÝÎÆ·§Ã± screw cap ÂÝÎÆ·§¸Ç screw bonnet ÂÝ˨Á¬½ÓµÄ·§¸Ç bolted bonnet (BB) »î½Ó·§¸Ç£¨Ã±£© union bonnet (cap) ÂÝ˨Á¬½ÓµÄ·§Ã± bolted cap (BC) º¸½Ó·§¸Ç welded bonnet (WB) ±¾Ìå·§¸ËÃÜ·â body stem seal ʯÃÞ°²È«ÃÜ·â asbestos emenen seal µ¹ÃÜ·â back seal ѹÁ¦ÃÜ·âµÄ·§¸Ç pressure-tight bonnet ¶¯Á¦²Ù×ÝÆ÷ powered operator µç¶¯²Ù×ÝÆ÷ electric motor operator Æø¶¯²Ù×ÝÆ÷ pneumatic operator Һѹ²Ù×ÝÆ÷ hydraulic operator ¿ìËÙ²Ù×ÝÆ÷ quick-acting operator »¬¶¯·§¸Ë sliding stem Õý³ÝÂÖ´«¶¯ spur gear operated É¡³ÝÂÖ´«¶¯ bevel gear operated °âÊÖ²Ù×÷ wrench operated Á´ÂÖ chain wheel ÊÖÂÖ hand wheel ÊÖ±ú hand lever (handle) Æø¸×£¨»òҺѹ¸×£©²Ù×ÝµÄ cylinder operated Á´Ìõ²Ù×ÝµÄ chain operated µÈ¾¶¿×µÀ full bore; full port Òì¾¶¿×µÀ reducing bore, reduced port,venturi port ¶ÌÐÍ short pattern ½ô´ÕÐÍ£¨Ð¡ÐÍ£© compact type Áýʽ»· lantern ring ѹ¸Ç gland ·§¸ËÌîÁÏ stem packing ·§¸ÇµæÆ¬ bonnet gasket Éý¸Ëʽ£¨Ã÷¸Ë£© rising stem (RS) ·ÇÉý¸Ëʽ£¨°µ¸Ë£© non-rising stem (NRS) ָʾÆ÷/ÏÞλÆ÷ indicator/stopper ×¢ÓÍÆ÷ grease injector ¿É¸ü»»µÄ·§×ù»· renewable seat ring 1.6.2 ³£Ó÷§ (1£©Õ¢·§ gate valve ƽÐÐ˫բ°å double disc parallel seat ¿ª¿ÚШÐÎÕ¢°å split wedge ÄÓÐÔÕûÌåШÐÎÕ¢°â flexible solid wedge ÕûÌåШÐÎÕ¢°å solid wedge ÈûÐÍÕ¢·§ plug gate valve ֱͨÐÍÕ¢·§ through conduit gate valve (2) ½ØÖ¹·§ globe valve ÇòÐÄÐÍ·§ÅÌ globe type disc ÈûÐÍ·§ÅÌ plug type disc ¿Éת¶¯µÄ·§ÅÌ swivel disc (3) ½ÚÁ÷ÉÁ·§ throttle valve Õë·§ needle valve (4) ½Ç·§ angle valve (5) YÐÍ·§£¨Y ÐÍ·§Ì彨ֹ·§£© Y-valve (Y-body globe valve) (6) Çò·§ ball valve ÈýͨÇò·§ 3-way ball valve ×°Óе×ÖáµÄ trunnion mounted ÄÍ»ðÐÍ fire safe type ¸¡¶¯ÇòÐÍ floating ball type ·ÀÍѳö·§¸Ë blowout proof stem (7) µû·§ butterfly valve ¶Ô¼Ðʽ£¨±¡Æ¬ÐÍ£© wafer type ͹¶úʽ lug type Æ«ÐÄ·§°åµû·§ offset disc burerfly valve; eccentric butterfly valve б·§Å̵û·§ canted disc butterfly valve Á¬¸Ëʽµû·§ link butterfly valve 8) ÖùÈû·§ piston type valve (9) ÐýÈû·§ plug valve ÈýͨÐýÈû·§ three-way plug valve ËÄͨÐýÈû·§ four-way plug valve ÐýÈû cock ³ÄÌ×ÐýÈû sleeve cock (10) ¸ôĤ·§ diaphragm valve Ï𽺳ÄÀï¸ôĤ·§ rubber lined diaphragm valve ֱͨʽ¸ôĤ·§ straight way diaphragm valve Ñßʽ¸ôĤ·§ weir diaphragm valve (11) ¼Ð½ôʽ½º¹Ü·§ pinch valve£¨ÓÃÓÚÄཬ¡¢·Û³¾µÈ£© (12) Ö¹»Ø·§ check valve Éý½µÊ½Ö¹»Ø·§ lift check valve ÐýÆôʽֹ»Ø·§ swing check valve, flap check valve ÂäÇòʽֹ»Ø·§ ball check valve µ¯»ÉÇòʽֹ»Ø·§ spring ball check valve Ë«°å¶Ô¼Ðʽֹ»Ø·§ dual plate wafer type check valve ÎÞײ»÷ÉùÖ¹»Ø·§ non-slam cheek valve µ×·§ foot valve ÇжÏʽֹ»Ø·§ stop check valve; non-return valve »îÈûʽֹ»Ø·§ piston check valve б·ÅÌÖ¹»Ø·§ tilting disc check valve µûʽֹ»Ø·§ butterfly check valve 1.6.3 ÆäËüÓÃ;µÄ·§ È«Ð¹Æø·§ safety valve (SV) °²È«Ð¹Òº·§ relief valve (RV) °²È«Ð¹Ñ¹·§ safety relief valve ¸Ü¸ËÖØ´¸Ê½ lever and weight type Òýµ¼·§²Ù×ݵİ²È«Ð¹Æø·§ pilot operated safety valve ¸´Ê½°²È«Ð¹Æø·§ twin type safety valve ¹Þµ×ÅÅÎÛ·§ flush-bottom tank valve µç´Å·§ solenoid valve, solenoid operated valve µç¶¯·§ electrically operated valve, electric-motor operated valve Æø¶¯·§ pneumatic operated valve µÍÎÂÓ÷§ cryogenic service valve ÕôÆûÊèË®·§ steam trap »úеʽÊèË®ÑÖ mechanical trap ¸¡Í°Ê½ÊèË®·§ open bucket trap, open top bucket trap ¸¡ÇòʽÊèË®·§ float trap µ¹µõͰʽÊèË®·§ inverted bucket trap ×ÔÓɸ¡ÇòʽÊèË®·§ loose float trap ºãÎÂʽÊèË®·§ thermostatic trap ½ðÊôÅòÕÍʽÕôÆûÊèË®·§ metal expansion steam trap ÒºÌåÅòÕÍʽÕôÆûÊèË®·§ liquid expansion steam trap Ë«½ðÊôÅòÕÍʽÕôÆûÊèË®·§ bimetallic expansion steam trap ѹÁ¦Æ½ºâʽºãÎÂÊèË®·§ balanced pressure thermostatic trap Èȶ¯Á¦Ê½ÊèË®·§ thermodynamic trap Âö³åʽÕôÆûÊèË®·§ impulse steam trap ·ÅÆø·§£¨×Ô¶¯·ÅÆø·§£© air vent valve (automatic air vent valve) £¨ÊèË®·§Óã© ƽ°åʽ»¬¶¯Õ¢·§ slab type sliding gate valve ¸Ç·§ flat valve »»Ïò·§ diverting valve, reversing valve ÈÈÅòÕÍ·§ thermo expansion valve ×Ô¶¯¹Ø±Õ·§ self-closing gate valve ×Ô¶¯ÅÅÒº·§ self-draining valve ¹ÜµÀä°å·§ line-blind valve ¼·Ñ¹·§ squeeze valve£¨ÓÃÓÚÄཬ¼°·Û³¾µÈ£© ºôÎü·§ breather valve ·çÃÅ¡¢µ²°å damper ¼õѹ·§ pressure reducing valve, reducing valve ¿ØÖÆ·§ control valve Ĥʽ¿ØÖÆ·§ diaphragm operated control valve Ö´Ðлú¹¹ actuator ±³Ñ¹µ÷½Ú·§ back pressure regulating valve ²îѹµ÷½Ú·§ differential pressure regulating valve ѹÁ¦±ÈÀýµ÷½Ú·§ pressure ratio regulating valve 1.6.4 δָÃ÷½á¹¹£¨»ò·§ÐÍ£©µÄ·§ ÇжϷ§ block valve; shut-off valve; stop valve µ÷½Ú·§ regulating valve ¿ì¿ª·§ quick opening valve ¿ì±Õ·§ quick closing valve ¸ô¶Ï·§ isolating valve Èýͨ·§ three way valve ¼ÐÌ×À« jacketed valve ·ÇÐýתʽ·§ non-rotary valve ÅÅÎÛ·§ blowdown valve ¼¯ÒºÅÅ·Å·§ drip valve ÅÅÒº·§ drain valve ·Å¿Õ·§ vent valve Ð¶ÔØ·§ unloading valve Åųö·§ discharge valve ÎüÈë·§ suction valve ¶àͨ··§ multiport valve È¡Ñù·§ sampling valve ÊÖ¶¯·§ hand-operated valve; manually operated valve ¶ÍÔì·§ forged valve ÖýÔì·§ cast valve £¨Ë®£©ÁúÍ· bibb; bib; faucet ³é³öÒº·§£¨Ð¡·§£© bleed valve ÅÔ··§ by-pass valve Èí¹Ü·§ hose valve »ìºÏ·§ mixing valve ÆÆÕæ¿Õ·§ vacuum breaker ³åÏ´·§ flush valve µÚÒ»µÀ·§£»¸ù²¿·§ primary valve ¸ù²¿·§ root valve ×ܹܷ§ header valve ʹÊÇжϷ§ emergency valve 1.7 ¹ÜµÀÌØÊâ¼þ Piping Specialty 1.7.1 ¹ÜµÀÌØÊâ¼þ£¨×é¼þ£© ´ÖÂËÆ÷ strainer ¹ýÂËÆ÷ filter ÁÙʱ´ÖÂËÆ÷£¨×¶ÐÍ£© temporary strainer (cone type) y ÐÍ´ÖÂËÆ÷ y-type strainer TÐÍ´ÖÂËÆ÷ T-type strainer ÓÀ¾Ã¹ýÂËÆ÷ permanent filter Ë¿Íø´ÖÂËÆ÷ gauze strainer Ï´ÑÛÆ÷¼°ÁÜÔ¡Æ÷ eye washer and shower ÊÓ¾µ sight glass ×è»ðÆ÷ flame arrester Åç×죻ÅçÍ· spray nozzle È¡ÑùÀäÈ´Æ÷ sample cooler ÏûÉùÆ÷ silencer ÅòÕÍ½Ú expansion joint ²¨ÎÆÅòÕÍ½Ú bellow expansion joint µ¥²¨ single bellow Ë«²¨ double bellow ¶à²¨ multiple bellow ѹÁ¦Æ½ºâʽÅòÕÍ½Ú pressure balanced expansion ´ø½ÂÁ´ÅòÕÍ½Ú hinged expansion joint ÖáÏòÎ»ÒÆÐÍÅòÕÍ½Ú axial movement type expansion joint ×Ô¾ùºâÅòÕͽڣ¨Íâ¼ÓÇ¿»·£©self-equalizing expansion joint ´ø½Ó¸ËÅòÕÍ½Ú tied expansion joint ÍòÏòÐÍÅòÕÍ½Ú universal type expansion joint ÇòÐβ¹³¥Æ÷ ball type expansion joint Ìʽ²¹³¥Æ÷ slip type (packed type) expansion joint µ¥Ïò»¬¶¯ÌîÁϺ¯²¹³¥Æ÷ single actionpacked slip joint 1.7.2 ¹ÜµÀÌØÊâÔª¼þPiping Special Element Èí¹Ü½ÓÍ· hose connection (HC) ¿ìËÙ½ÓÍ· quick coupling ½ðÊôÈí¹Ü metal hose Ïð½º¹Ü rubber hose ÄÓÐÔ¹Ü flexible tube °°Ðβ¹Ç¿°å reinforcing saddles ²¹Ç¿°å reinforcement pad ÌØÊâ·¨À¼ special flange ©¶· funnel ÅÅÒº»· drip ring ÅÅҺ©¶· drain funnel ²å°å blank µæ»· spacer 8×Öä°å spectacle blind; figure 8 blind ÏÞÁ÷¿×°å restriction orifice ±¬ÆÆÆ¬ rupture disk ·¨À¼¸ÇÌùÃæ protective disc ·ÑÍÐÁ¢¿Ë½ÓÍ· victaulic coupling 1.8 ¶Ë²¿Á¬½Ó End Connection ·¨À¼¶Ë flanged end ÆÂ¿Ú¶Ë beveled end (BE) ¶Ôº¸¶Ë butt welded end ƽ¶Ë plain end (PE) ³Ð²åº¸¶Ë socket welding end ÂÝÎÆ¶Ë threaded end (TE) ³Ð¿Ú bell end º¸½Ó¶Ë welding end ·¨À¼Á¬½Ó£¨½ÓÍ·£© flanged joint ¶Ôº¸Á¬½Ó£¨½ÓÍ·£© butt welded joint ÂÝÎÆÁ¬½Ó£¬¹ÜÂÝÎÆÁ¬½Ó threaded joint, pipe threaded joint ×¶¹ÜÂÝÎÆÃܷ⺸Á¬½Ó seal-welded taper pipe threaded joint ³Ð²åº¸Á¬½Ó£¨½ÓÍ·£© socket welded joint ³Ð²åÁ¬½Ó£¨½ÓÍ·£© bell and spigot joint »·µæ½ÓÍ· ring joint (RJ) ÍòÏò½ÓÍ· universal joint ÈíÇ¥º¸Á¬½Ó£¨½ÓÍ·£© soldered joint ´î½Ó½ÓÍ·£¬ËÉÌ×Á¬½Ó lapped joint Íâ²àºñ¶ÈÇÐб½Ç bevel for outside thickncss ÄÚ²àºñ¶ÈÇÐб½Ç bevel for inside thickness ÄÚÍâ²àºñ¶ÈÇÐб½Ç bevel for combined thickness ·¨À¼Ê½µÄ flanged (FLGD) ¶Ôº¸µÄ butt welded (BW) ÂÝÎÆµÄ threaded (THD) ³Ð²åº¸µÄ socket welded (SW) С¶ËΪƽµÄ small end plain (SEP) ´ó¶ËΪƽµÄ large end plain (LEP) Á½¶Ëƽ both ends plain (BEP) С¶Ë´øÂÝÎÆ small end thread (SET) ´ó¶Ë´øÂÝÎÆ large end thread (LET) Á½¶Ë´øÂÝÎÆ both end thread (BET) Ò»¶Ë´øÂÝÎÆ one end thread (OET) Ö§¹ÜÁ¬½Ó branch connection º¸½ÓÖ§¹Ü branch pipe welded directly to the run pipe |
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