1、 eD%s五DDV K1cDDVD =q Valve Trim eD1oqY eD +a8 e bD =q 8(D = VM Y q_T ,q9 qD(Plug) DV(Seat) a*c (Cage)aD (Stem)#h. (Flow divider)a F b Kq(AC-trim) a_ (Guide)bVV eD(Globe valve)DDVD =q%s m As EDDV !9b 1oM eD D =q D DV %s uY eD Control valve SS GB/T 17213.1-1998l eDS =D eq %“V e # Hr e 1 / 1 b B e“d e
2、sF“dY | %KY eD M e“dVNV7 AeS =S? P qb D D =qK1oq H eD VqDDV P V 1M 8 VYVM 8YV 7rV e “bD FTD*c 7 g %“ eD + nLas1a y 7+ L+bDDVj#D = %“ eDKv Y ? bDDV# ) %“ eD V LbDDV#D =q !9Q eDE/ ? b D !9 D +D !9“Bs v bV eD(Globe valve) B _ eDK Da V 7 gD*cD#l D F b K)D+ y !9Db y 7Ls1 D +Ll D D 7 7 gDm eDDm 1 Bs eDDbm
3、P U D D V + y 7+D !9FB j D !9F w sYLa Ls1 + l DDB lb V 7 gD 3Va4Va6V 7 gs“ V 7 g % +nLas1 +b D + L + eDM MM L1“b l 7 H MM v e7v 7 H MMl# Hb s1 + eDMM M MNM 11“9 +bs1 +l 7 H eDbv“ l v 7 Hbv“ v 2 rb L + MM M MNM Z1 1“b L +1 L +l 7 HrTb E L +DTS b y 7 + 71 eDl 7 H V v b D* eD1 VDGlobe valve, Db XV eD D
4、 va Y ? . 25 W B E M 7 SSBtE Fisher _? la v Y ? a. 2L D =q*c eD Fisher easy-e ETaEDaES “ a E M o B H “ - S =v !9# E 3Dbnm 2b DM1*cD 1 M ? P)1Btb P P 9v/ ? bN*cD =q 91 Dq _ = b q9 *cDBv+ Fisher ED “ *cD D 5 7 F* qF q_qQ# !qN9 P9Fb*cD y !95 *cD =q 0_5b s1 y 7 L (a) *cD# + ET“ ES“ ET“ (b) Fisher*cD m*c
5、Dm4“.40/ 7 7 gDS9BtE SAMSON 7?i DV eD V 7gD 9T3 gDZ ?i |l b7 eD?Z* V 7 gD1 v gVD YD ( 7 gD_ ? “ v9iD_W# 4 5E#v5b SAMSON“ 7? V 7 gD+ !9 3V 7 g V-portD Kv 10 V 7 g !9i v “ a. 2la F ?z av 50bar 9 V “ b bnm 3bV-port D V 7g lB V 7 g_ 8 _7 gW /D_ _D gBv V7 gD gZ_ V Ahl 8D D#h . 2b V 7 gDD_ ? F%bDDoB8 V L
6、0b E DD ig0%ZE PrT Xd Cg0a aD #pbDDB8 V-portD1p P_ V-portD SAMSON 240/250“ eD H1 D V 7 g_!91 pM ? iDb “ -E DN25# YV eD Fisher 2004 Mw GX V7 gD !9 V 7 g “sb SAMSONYV“ % Z 5 a D V 7 gD 3271/3277 Sw v r V 60a120a350a700a1400a2800 cm2Kv 2800cm2X2b“N SAMSON?D =q %. 2aF b KM 5b SAMSON W K5/ eD5C !9/ v !9a
7、5/r / F#+ PqKi ? P V eDZ “ -) W 55b DVDV9TDV (seat ring)D8 4D1 H Y bDV BTopF) bDV T Tsbnm 4b Te b D81 P E? e bDVD8 Z Tb I n # 5.dZ T FV masoneilan 2600“ spirax sarco LE“ sE 7 V | D8 LC rTz SAMSON 240a250“ Fisher GXb TT y TD =q (quick-change trim)DVLF*cq D F b.d !9 PV masoneilan 21000 “ b sE V/| D8 Z
8、E spirax sarco SPISA-TROLb DDV P q P eD1S 1 P q eD ? 1 pb DDV(#1D =q !9 F1bDDV BTop F) F( 4 P)b P !9a k P SF? P) kbS IECS SS u D aR #ac v%8 R %b nm 6bn D | 8 ic8 !9% 3 D D T /4 6 Fisher GX ARCA 08C “ bm 6(a) U SAMSON D !9 | 8 ic8DB8c8DB T /4 6 8i 6B 5 % D)i i O 3 7 | b %E % b D !9 uY I nDDV 8 ic8 /
9、5E# P p /rT5b F b KDeD M 8 5 ?q A8V )C bC b N Y bA8 bTYeD9 . 2aaD =qD8 b eDE F b K %Z“ 9 E ZE 7 3 bHqVD =qa Z m+ y !9 F b KDb+ y!9 F b KD P 8YVDDV H B / )W )D+ yM i4 - 7hl rT Pb 4 3 H. 2bnm 7b C B mD C JTIFS(9 D B 4“.40/ D D “3$“p? 3Y P Db eDD =q V jq)Zb(# DDVBs/ %bE Ll PDDVD =qaD !9 Q %Z1 P eD !9a a a V L 0bE eD1%+b Bq9 5. ARCAECOTROL“ eD DS ECOTROL-gb 2007.10 B “$5SJN C “$5SJN D “$5SJN E “$5SJNm+ y !9 F b KD F JTIFS)D
