Zas cam khwb cia hlau ob chav flanged roj hmab viav vias kos thawj lub hnub valve

Zas cam khwb cia hlau ob chav flanged viav vias kos thawj lub hnub valve tsis rov qab kos tawm valve. Nominal lub taub yog DN50-DN600. Nominal siab suav nrog PN10 thiab PN16. Cov khoom ntawm check valve muaj cam khwb cia hlau, zas cam, wcb, roj hmab los ua ke, stainless hlau thiab lwm yam.

Tus kos valve, tsis-txoj kev valve lossis ib-txoj kev valve yog ib qho khoom siv tshuab, uas ib txwm tso kua dej (kua lossis roj av) kom ntws los ntawm tsuas yog ib qho kev taw qhia xwb. Xyuas li qub yog ob-chaw nres nkoj li qub, lub ntsiab lus lawv muaj ob qho qhib hauv lub cev, ib qho rau cov kua dej kom nkag mus. Muaj ntau hom ntawm cov cim qoj siv cov siv nyob rau hauv ntau cov kev siv. Xyuas li qub yog feem ntau yog ib feem ntawm cov khoom hauv tsev. Although they are available in a wide range of sizes and costs, many check valves are very small, simple, and/or cheap. Xyuas li qub ua haujlwm li qub thiab feem ntau tsis tswj hwm los ntawm ib tus neeg lossis ib qho kev tswj hwm sab nraud; Raws li, feem ntau tsis muaj lub valve kov lossis qia. Lub cev (daim plhaub sab nraud) ntawm feem ntau xyuas cov khoom lag luam yog ua los ntawm coorile cam khwb cia hlau lossis WCB.