100% Thawj Lub Hoobkas Tuam Tshoj Loj Loj cam khwb cia hlau DN700 Ob Chav Eccentric Npauj Npaim Valve

Swing check valve hlau sealing:
1. PN10-PN40

2.Material: WCB, Stainless hlau, thiab lwm yam

3. Loj: DN15-DN600