Double Check Valve

Double Check Valves from Veermani Instruments
Looking for Double check valves? Veermani Instruments is a leading Indian manufacturer, supplier, and exporter of high-quality stainless steel double check valves for various applications, including sprinkler systems. We offer these essential valves at affordable prices.
What is a Double Check Valve?
A double check valve is essentially two single check valves working in sequence. While a single check valve prevents most backflow, a small amount of liquid or gas can sometimes pass before it fully closes. The clever design of a double check valve, with its two-in-series arrangement, ensures that any fluid that bypasses the first valve is immediately stopped by the second, preventing backflow entirely, especially under negative pressure.
Why Choose a Double Check Valve?
These valves are crucial in systems where even minimal fluid loss during disconnection is unacceptable. They provide a secure, reliable, and quick connection for delivery lines and pressure hoses. Double check valves are highly recommended for a wide range of uses, including:
* Hydraulic applications
* Pneumatic applications
* Chemical applications
* Sprinkler systems
Choose Veermani Instruments for robust and dependable double check valves that ensure the safety and efficiency of your fluid systems.
Double Check Valve Specification
Thread | NPT, BSPP, BSPT, JIC, METRIC, UNF |
Connection | FEMALE TO FEMALE, FEMALE TO MALE, MALE TO MALE, MALE TO HOSE BARBED |
Pressure Rating | UPTO 6000 PSI |
Media | HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL, FUEL, VACUUMS |
Media Temperature | (-40* C TO 300*C ) RANGE AS PER PRESSURE |
Body Type | BAR STOCK |
Seal | NITRILE, VITON, EPDM |
Material | SS 316, SS 304, SS 316 TI, COPPER, BRASS, DUPLEX, CS, INCONEL, SUPER DUPLEX, HASTELLOY, MONEL, ALLOY 20, SMO 254, 904L, TITANIUM & ALL OTHER ALLOYS |
PRODUCTS
- Instrumentation Fittings
- Ermetto Fittings
- Screwed / Threaded Fittings
- Instrumentation Valves
- Presior gage Assesaries
- Hydraulic hose Fittings
- Qrc couplings
- Brass Fittings
Instrumentation Fittings
- Male Connector
- Femle Connector
- Union
- Union Elbow
- Union Tee
- Reducing Union
- Bulkhead Union
- Bulkhead Male Connector
- Bulkhead Female Connector
- Male Elbow
- Female Elbow
- Male Branch Tee
- Female Run Tee
- Female Branch Tee
- Male Run Tee
- Reducing Union Tee
- Union Cross
- Fitting End Closure
- Tube End Closure
- Nut
- Back Ferrule
- Front Ferrule
- Reducer
- Male Adapter
- Female Adapter





