Swing double petal clapper valve
PN Nominal Pressure: 1.6Mba
Sealing Test Pressure: 1.76Mba
Strength Test Pressure: 2.4Mba
Suitable temperature: -20~135
Medium: Fresh water, Sea water, Waste water, Food stuff, Steam, All kinds of oils, All kinds of acid and alkali liquid, etc.Main Features:
DONGSHENG Dual Flap Wafer Check Valve is designed to operate with the minimum of flow restriction.
The twin spring loaded half disc operate with the pipeline flow and reseal back against the rubber disc seating providing a positive shut off against any back flow. The resilient seating prevent a slamming action.
Check Valves offer greater flexibility and low cost in most piping systems and moreover, of its light weight, it is so convenient to install and has smaller face to face dimension than conventional swing check valve.
These valves can be supplied to match the international standards of flange (DIN, ANSI, JIS & BS).Typical Applications:
Heating air-conditioning pipe lines
High frequency lines
Fire extinguishing system
Iron and steel industry
Mineral, oil industry
Wood working, pulp and paper industry
Water and condensate linesApplicable fluids:
Water, warm water, sea water, air and weak acidMaterial List
|1||Body||Cast iron GG25 / Stainless Steel|
|2||Disc||AISI 316 / chrome coated GGG40|
|4||Hinge pin||AISI 316|
|6||Retainer screw||Carbon steel|