Double Check Valve

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Double Check Valve

Buy Double Check Valve, Double Check Valve for Sprinkler System, Stainless Steel Double Check Valve at affordable Prices from Perfect Engineers - Leading Manufacturer, Supplier, and Exporter in India.

Double check valve is technically two single check valves cast in adjacent sequence. A single check valve stops the backflow of liquid or gas, but little quantities of liquid or gas have passed back along the piping before it closes. Under negative pressure, the water that briefly bypasses the first check valve and causes it to close is stopped from traveling any further by the second check valve, which closes simultaneously.

In theory, two single check valves placed side by side in series anywhere along the length of a piping system will act together as a double check valve, but the farther apart they are, the more likely it is that anything will interfere with their operation. Double check valve is employed in systems that require minimal fluid loss during disconnection. It is recommended using this valve in a variety of hydraulic, pneumatic, and chemical applications. It enables an easy, dependable, rapid, and safe delivery connection between delivery lines and pressure hoses.

At Perfect Engineers, we put Double Check Valve through many testing to ensure that it holds the best attributes. We are the top exporter and manufacturer of Double Check Valve in Mumbai, India. Order Couplings according to your project requirements by calling us at +91-9870927482 or fill out the Enquiry Form. To get additional information on Double Check Valve or any of our high-quality products, contact Perfect Engineers and receive info and quotations within hours.

Double Check Valve Specification

Company Perfect Engineers
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


Type of Double Check Valve

Female Coupler
A Female Coupler is a type of double check valve with a female connection end, designed to receive and secure a corresponding male connector.
Female Adapter
A Female Adapter is a double check valve with a female connection end, designed to adapt or connect to a male connector or adapter.


Different Materials offered in Double Check Valve

Stainless Steel Double check valve
Perfect Engineers is one of the leading Manufacturers, Supplier of Stainless Steel Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

SS 304 Double Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of SS 304 Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

SS 304L Double Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of SS 304L Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

SS 316 Double Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of SS 316 Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

SS 316 Double Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of SS 316L Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

Monel Double  Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of MONEL Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

Duplex Double  Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of Duplex Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

Inconel Double  Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of Inconel Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

Aluminium Double  Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of Aluminium Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.

Brass Double Check Valve
Perfect Engineers is one of the leading Manufacturers, Supplier of Brass Double Check Valve. We provide superior quality products made according to Indian and international standards and specifications at offer the premium Quality to all our clients at a competitive and reasonable price.



Double Check Valve Sizes

QRC SIZE (D1) D2 D3 L1 L2 L3 L4 L5 L6 L7 L8 H
1/8" 16 20 43 35.8 7.5 14 14 30 14.2 15.8 14 A/F
1/4" 22 28 58 48 11 18 19 36 13 23 19  A/F
3/8" 26 35 65 52 14 20 22 40 14 26 22  A/F
1/2" 32 42 71 56 15 24 28 45 19 26 28  A/F
3/4" 36 45 76 58 18 26 32 49 20 29 32  A/F
1 1/4" 58 70 95 72 23 29 52 59 24 35 51  A/F
1 1/2" 64 75 95 72 23 29 61 59 24 35 55  A/F

QRC SIZE (D1) D2 D3 D4 L1 L2 L3 L4 L5 L6 L7 L8 H
1" 45 55 45 85 63 22 27 41 56 26 30 41
2" 75 85 70 113 84 30 33 69 72 30 42 66
2 1/2" 90 108 90 125 100 25 37 84 75 22 53 84
3" 110 130 110 130 105 25 37 104 75 22 53 84

Features of Double Check Valve

  • High Precision Manufacturing: These valves are manufactured using a high precision machining process, ensuring tight tolerances and reliability. The air tightness of the valves is rated at a high level of 10-4 mmHg/sec.
  • Built-in Valve in Plug and Socket: Both the plug and socket of Double Check Valves feature an inbuilt valve, ensuring that there is no leakage of gas, oil, or other fluids from either end when disconnected. This helps maintain system integrity and prevents fluid loss.
  • Prevention of Hose Twisting: Double Check Valves are designed to prevent the attached hoses from twisting during connection and disconnection, ensuring ease of use and minimizing potential damage to hoses.
  • Versatile Application: Double Check Valves are designed to be used in a wide range of applications, offering flexibility and compatibility across various industries and systems.


Application of Double Check Valve

Pneumatic System
In steel plants, Double Check Valves are installed in pipelines and process systems to prevent the reverse flow of fluids, ensuring the integrity of the steelmaking process and protecting equipment from damage.

Pilot Plants
Double Check Valves play a vital role in chemical plants by controlling the flow of fluids and preventing backflow, thus maintaining the safety and efficiency of chemical processes and minimizing the risk of contamination.

Oil Refineries
In oil refineries, Double Check Valves are employed in pipelines and equipment to regulate fluid flow and prevent the backflow of oil and other fluids, ensuring the reliability and safety of refining operations.


Why Choose Perfect Engineers?

For almost three decades, Perfect Engineers has been manufacturing and supplying a wide range of Double Check Valve and other products. These robustly designed and solidly built couplings are produced with cutting-edge materials and precision technology. We stand to fulfill global quality standards at our clients' end. Furthermore, our products are tested on a variety of quality characteristics. The entire collection is available in a variety of modified sizes and dimensions to satisfy the diverse requirements of our clients, and it is specifically designed to meet the need for a simple, positive coupler. Choose Perfect Engineers and fulfill your project needs with precision. Buy Yours Today!


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