Stainless Steel Body Wafer Check Valve Spring Loaded

Swing double petal clapper valve:
PN Nominal Pressure: 1. 6Mba
Sealing Test Pressure: 1. 76Mba
Strength Test Pressure: 2. 4Mba
Suitable temperature: -20~135ºC
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) .

DongSheng check valves when compared with order traditional isolating valve such as swing check valve offer the following advantages:

Low purchase cost

Compact design

Non-slam principle of operation

Light weight

Easy installation

Good flow characteristic and less pressure drop

Suitable for horizontal and vertical up flow

Typical Applications:

Heating air-conditioning pipe lines
High frequency lines
Fire extinguishing system
Vessel pipelines
Iron and steel industry
Mineral, oil industry
Wood working, pulp and paper industry
Textile industry
Water and condensate lines

Factory Show
MATERIAL LIST

NO.PartsMATERIAL1BodyCast iron GG25 / Stainless Steel2DiscAISI 316 / chrome coated GGG403Resilient seatEPDM4Hinge pinAISI 3165SpringAISI 3046Retainer screwCarbon steel7Disc bearingTeflon