0102030405
Umehluko phakathi kwe-soft seal ne-hard seal ye-valve
2022-08-17
Umehluko phakathi kwesivalo esithambile nesigxivizo esiqinile sevalvu Ngaphezu kwevalve evikela ukubola, ivalve ejwayelekile ethambile isho i-spool noma isihlalo sezinto ezimbili ezingezona ezensimbi (ikakhulukazi i-PTFE, irabha, njll.) ifomu elivalwe kwe-valve. Umphumela wokuvala we-valve yophawu oluthambile ungcono, kodwa ekufakweni kwepayipi, ukuhlanzwa kwesistimu kungase kushiye imfucumfucu engaphezulu noma encane engcolile (njenge-welding slag, amafayili ensimbi, njll.), igeleza ku-valve elawulayo, kulula ukunwaya okuthambile. isihlalo sophawu noma i-spool, ukuze inani lokuvuza likhuphuke, ukwethembeka kwesigxivizo kubi. Ngakho-ke, ukukhetha kwesakhiwo sophawu oluthambile kufanele kubhekwe ukuhlanzwa okuphakathi nendawo kanye nepayipi eliqinile lokudonsa ngaphambi kokusebenza. Ivalvu ethambile yophawu kanye nomehluko wophawu oluqinile: (1) Isivalo esithambile Ngaphezu kwevalve evikela ukubola, ivalve evamile ethambile yophawu isho i-spool noma isihlalo sezinto ezimbili ezingezona ezensimbi (ikakhulukazi i-PTFE, irabha, njll. ) ifomu elivaliwe le-valve. Umphumela wokuvala we-valve yophawu oluthambile ungcono, kodwa ekufakweni kwepayipi, ukuhlanzwa kwesistimu kungase kushiye imfucumfucu engaphezulu noma encane engcolile (njenge-welding slag, amafayili ensimbi, njll.), igeleza ku-valve elawulayo, kulula ukunwaya okuthambile. isihlalo sophawu noma i-spool, ukuze inani lokuvuza likhuphuke, ukwethembeka kwesigxivizo kubi. Ngakho-ke, ukukhetha kwesakhiwo sophawu oluthambile kufanele kubhekwe ukuhlanzwa okuphakathi nendawo kanye nepayipi eliqinile lokudonsa ngaphambi kokusebenza. (2) I-Hard Seal Isigxivizo esiqinile kanye nokuvela phezulu kwengxubevange engagugi kuyisinqumo esingcono sokusika ama-valve. Ngale ndlela uma kucatshangelwa ukubekwa uphawu futhi kucatshangelwe impilo yesevisi nokuthembeka, nakuba inkomba yefekthri ingu-10-6 ~ 10-8 kuphela, ayikwazi ukufeza umphumela wokuvuza kwe-soft seal zero, kodwa ngokwanele ukuhlangabezana nezidingo zokunqunywa okuqinile, futhi ihlala isikhathi eside, ngokombono wezomnotho ibiza kakhulu. Ukuhlela imodeli yevalvu okusho Amamodeli ama-valve ahlukahlukene hlela izincazelo okusho njengesihloko; BZ 3 4 1 H _16 C (B) ikhodi yesakhiwo esikhethekile; (Z) Uhlobo lwekhodi; (3) Ikhodi yemodi yokushayela; (4) Ikhodi yefomu lokuxhuma; (1) Ikhodi yefomu yesakhiwo B..... Uhlobo lwe-insulation X... Iqhude 0... I-electromagnetic actuator 1... Intambo yangaphakathi D..... Uhlobo lokushisa oluphansi D... Ivalve yovemvane 1.. I-electromagnetic fluid 2... Intambo yangaphandle F...... Uhlobo lomlilo H... Ivalvu yesheke 2... I-hydraulic kagesi 4... flange H..... Uhlobo oluvala kancane J... Globe ivalvu 3... I-Turbine 6... eshiselwe P..... Uhlobo lokukhipha i-slag Q... Ivalvu yebhola 4... Spur gear 7... Isiqeshana esingu-Q..... Uhlobo olusheshayo Z... Isango 5... Igiya le-Bevel 8... i-clamp W... I-Bellows uhlobo 6... I-pneumatic 9... Isethi yekhadi 7... i-hydraulic 8... Ukunyakaza kwe-Gas-liquid 9... ugesi (H) Ikhodi yempahla engaphezulu (16) Isigaba sokucindezela (C) impahla yomzimba B.... Babbitt 10... 1.0 Mpa C... Insimbi yekhabhoni D.... Insimbi ye-nitriding 16... 1.6 Mpa F... Iphansi carbon steel F.... Fluorine plastic 25... 2.5 Mpa I... Chrome molybdenum steel H... Cr13 stainless steel 40..... 4.0 Mpa P... Chromium-nickel stainless steel J... . I-Rubber lining 63... 6.3 Mpa R... Chromium-nickel-molybdenum stainless steel M... Monel alloy 100.. 10.0 Mpa Ti... Titanium and titanium alloys N... Nylon plastic 160.. 16.0 Mpa V... I-Molybdenum chrome vanadium steel W. Iyafana nempahla enkulu 250.. 25.0 Mpa X... Irabha 320.. 32.0 Mpa Y... I-Cemented carbide 420.. 42.0 Mpa