DH77X Butterfly-Type Check Valve

Baoding Pingyilu Petroleum & Natural Gas Fittings Co., Ltd.

Product overview

Rubber-sealed nonreturn valve for water and other noncorrosive fluids.

The DH77X listing describes automatic nonreturn service in water piping. Its materials include a gray- or ductile-iron body, ductile-iron discs, a stainless spring and a nitrile sealing ring. The catalog supplies separate DH77X-10 and -16 entries and a dimensional schedule. The stated service-temperature condition is below 80°C.

Check Valve category

Published specifications

Model entries: DH77X-10 / DH77X-16
Body options: Gray iron or ductile iron
Spring / seal: Stainless steel / nitrile rubber
Service-temperature statement: Below 80°C

Selection points

Confirm the exact nominal-pressure units and ordered version with the supplier.
Provide flow direction, installation orientation and the required flange compatibility.