Classification ntawm Check Valves

Qhov qhib thiab kaw qhov chaw qhib lossis kaw los ntawm lub zog ntawm qhov nruab nrab ntws los tiv thaiv qhov rov qab ntawm qhov nruab nrab. Lub valve yog hu ua check valve. Kos li qub yog nyob rau hauv qeb ntawm tsis siv neeg li qub, thiab feem ntau yog siv rau cov kav dej nrog ib txoj kev ntws ntawm nruab nrab, thiab tsuas yog tso cai rau qhov nruab nrab ntws mus rau hauv ib qho kev coj los tiv thaiv kev sib tsoo.

Kev faib ua qauv
Raws li cov qauv, nws tuaj yeem muab faib ua peb hom: nqa daim tshev valve, viav vias kos valve thiab npauj npaim kos valve:
1. Nqa daim tshev valve tau muab faib ua ob hom: ntsug thiab kab rov tav.
2. Lub viav vias kos li qub tau muab faib ua peb hom: ib qho nrov plig plawg, ob lub nrov plig plawg thiab ntau nrov nrov.
3. Npauj Npaim kos valve yog hom ncaj nraim.
Cov ntaub ntawv kev sib txuas ntawm cov kos npe saum toj no tuaj yeem muab faib ua plaub hom: threaded kev twb kev txuas, flange kev twb kev txuas, vuam kev twb kev txuas thiab wafer kev twb kev txuas.

Kev faib khoom
1. Cam khwb cia hlau kos valve
2. tooj dag kos valve
3. Stainless hlau kos valve
4. Carbon steel check valve
5. Forged steel check valve

Functional Classification
1. DRVZ ntsiag to kos valve
2. DRVG ntsiag to kos valve
3. NRVR ntsiag to check valve
4. SFCV roj hmab disc kos valve
5. DDCV ob chav disc kos valve