Wafer check li qubtseem hu ua backflow li qub, backstop li qub, thiab backpressure li qub. Cov hom li qub no tau qhib thiab kaw los ntawm lub zog tsim los ntawm qhov ntws ntawm qhov nruab nrab nws tus kheej hauv cov kav dej, uas yog ib hom tsis siv neeg valve.
Lub check valve yog tso siab rau qhov ntws ntawm qhov nruab nrab ntawm nws tus kheej thiab cia li qhib thiab kaw lub valve nrov plig plawg, siv los tiv thaiv qhov nruab nrab rov qab valve, tseem hu ua check valve, kos valve, backflow valve, thiab rov qab siab valve. Lub check valve belongs rau ib yam ntawm tsis siv neeg valve, nws lub luag hauj lwm tseem ceeb yog los tiv thaiv cov xov xwm backflow, tiv thaiv lub twj tso kua mis thiab tsav lub cev muaj zog reversal, raws li zoo raws li lub thawv tawm tawm. Kos li qub kuj tseem siv tau los muab lub siab tuaj yeem nce mus rau ntau tshaj qhov system siab ntawm lub koom haum pabcuam los muab cov raj xa dej. Lub check valve tuaj yeem muab faib ua lub viav vias kos valve (raws li qhov nruab nrab ntawm lub ntiajteb txawj nqus rotation) thiab nqa daim tshev valve (tsiv raws li axis).
Ua ntej, kev siv cov clip-on kos valve kos valve ntsia rau hauv cov kav dej, nws lub luag haujlwm tseem ceeb yog los tiv thaiv cov xov xwm rov qab, kos valve yog hom tsis siv neeg valve tso siab rau cov xov xwm siab kom qhib thiab kaw. Clamp kos valve yog tsim rau nominal siab PN1.0MPa ~ 42.0MPa, Class150 ~ 25000, nominal txoj kab uas hla DN15 ~ 1200mm, NPS1/2 ~ 48, kev khiav hauj lwm kub -196 ~ 540 ℃ ntawm ntau yam pipelines, siv los tiv thaiv cov xov xwm backflow. Los ntawm kev xaiv cov khoom sib txawv, tuaj yeem siv rau hauv dej, chav dej, roj, nitric acid, acetic acid, muaj zog oxidizing media thiab uric acid thiab lwm yam xov xwm.
Cov ntaub ntawv tseem ceeb ntawm wafer check valve yog carbon steel, low-temperature steel, duplex steel (SS2205/SS2507), titanium alloy, aluminium bronze, Inconel, SS304, SS304L, SS316, SS316L, chrome-molybdenum steel, Monel (400 / 500), 20 # alloy, Hastelloy thiab lwm yam khoom siv hlau.
Thib peb, cov qauv thiab cov qauv ntawm wafer kos valve
Tsim: API594, API6D, JB/T89372,
Lub ntsej muag rau lub ntsej muag ntev: API594, API6D, DIN3202, JB / T89373,
Siab thiab kub: ANSI B16.34, DIN2401, GB / T9124, HG20604, HG20625, SH3406, JB / T744,
Kev xeem thiab tshuaj xyuas tus qauv: API598, JB / T90925
Piping Flanges: JB / T74 ~ 90, GB / T9112-9124, HG20592 ~ 20635, SH3406, ANSI B 16.5, DIN2543-2548, GB / T13402, API605, ASMEB16.47
Plaub, cov yam ntxwv ntawm lub pinch check valve
1.Short qauv ntev, nws cov qauv ntev tsuas yog 1/4 ~ 1/8 ntawm cov tsoos viav vias flange kos valve.
2. lub ntim me me, lub teeb yuag, nws qhov hnyav tsuas yog ib txwm flange kos valve 1/4 ~ 1/2
3. valve nrov plig plawg kaw sai, dej rauj siab me me
4. Kab rov tav lossis ntsug kav siv tau, yooj yim rau nruab
5. Txoj kev khiav du, tsis muaj dej tsis kam
6.Sensitive nkaus, zoo sealing kev ua tau zoo
7.Disc stroke luv luv, kaw qhov cuam tshuam me me
8.Cov qauv tag nrho yog qhov yooj yim thiab compact, thiab cov duab zoo nkauj
9. Lub neej ua haujlwm ntev thiab txhim khu kev qha
tsib. Lub sealing kev ua tau zoo ntawm wafer check valve Lub mos-sealed wafer check valve tuaj yeem ua tiav xoom xau, tab sis lub zog-sealed wafer check valve tsis yog xoom-tawg valve. Nws muaj ib tug tej yam leakage npaum li cas. Raws li kev soj ntsuam tus qauv ntawm API598, rau qhov kos valve nrog lub rooj hlau hlau, rau qhov loj ntawm DN100, cov kua xau ntawm ib feeb yog 12CC.
