Product Description

Back-flow safety valve is mounted on the liquidoid refluence pipeline of the pan pump’s outlet of the liquefied petroleum gas station, when front pump pressure exceeds the stipulated value, the valve will open auto matically and lead to safe return of the liquid so that ensures the safe operation of equipments and pipelines.

• Size: DN10mm – 600 mm(NPS 1/2″-25″);
• Pressure: 0.06 Mpa~42.0Mpa( 150lb~2500lb);
• Material of body: WCB, WC6, WC1, WC9, ZGCr5mO, ZG15Cr1Mo1v, CF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni12Mo2Ti, etc.