Double Check Valve Qrc
The Q.R.C. Double Check Valve is available in sizes from ⅛ inch to 2 inches. It is as easy to connect and disconnect the fluid system as it is to plug an electrical device into a socket. These valves operate on a push-and-pull mechanism. When the adaptor of the Double Check Valve Quick Release Coupling connects to the coupler, it is secured by a self-locking arrangement, ensuring an accurate and leak-proof connection. This action simultaneously opens the valves, allowing fluid flow to begin. To disconnect the valve, the coupler’s sleeve is pulled back.
Quick Disconnect Couplings with Double Check Valves feature both one-way and two-way sealing mechanisms. The attached hose does not twist during operation. These valves are widely used in hydraulic lines, vacuum systems, steam, gas, and liquid applications. We are also a leading pressure gauge manufacturers.
Specification
Type: Double Shut-Off
Material: Brass, Carbon Steel, SS, SS 304, SS 316
Application: Hydraulic, Pneumatic
Temperature Range: -20°C to 120°C
Max Pressure: 500 – 4000 PSI
Seal Type: Nitrile, Viton
Connection Type: Push-to-Connect
Size Range: 1″ to 4″

Quick Release Coupling Types
PRODUCT DESCRIPTION
PRECAUTION: Can not be connected / disconnected under pressure.
ADAPTOR | < + > | COUPLER | |||||||||
Size Thrds | AL | A | B | A. A/F. | Coupled Length | CL | A | SO | S.L | C.A/F | Wrk. Prss. PSI |
1/8″ | 32 | 20 | 12 | 14.Hex | 70 | 52 | 13 | 24 | 19 | 18ø-14.A/F | 4000 |
1/4″ | 38 | 25 | 13 | 17.Hex | 77 | 60 | 14 | 30 | 20 | 23ø-19.A/F | 4000 |
3/8″ | 40 | 27 | 13 | 22.Hex | 80 | 66 | 16 | 38 | 24 | 28ø-24.A/F | 3500 |
1/2″ | 45 | 30 | 15 | 28.Hex | 90 | 74 | 18 | 44 | 27 | 35ø-30.A/F | 3500 |
3/4″ | 55 | 35 | 20 | 35.Hex | 110 | 88 | 23 | 54 | 30 | 40ø-35.A/F | 3000 |
1″ | 60 | 37 | 23 | 41.Hex | 120 | 95 | 25 | 62 | 32 | 48ø-41.A/F | 3000 |
1¼” | 68 | 42 | 26 | 60ø-54.A/F | 135 | 110 | 28 | 75 | 36 | 60ø-54.A/F | 2000 |
1½” | 75 | 46 | 29 | 65ø-60.A/F | 150 | 120 | 30 | 87 | 40 | 70ø-63.A/F | 1500 |
2″ | 80 | 51 | 29 | 75ø-70.A/F | 160 | 130 | 32 | 100 | 44 | 80ø-72.A/F | 1000 |
2½” | 90 | 56 | 34 | 88ø-82.A/F | 180 | 145 | 38 | 110 | 45 | 92ø-85.A/F | 500 |
3″ | 100 | 57 | 43 | 105ø-97.A/F | 200 | 157 | 40 | 125 | 51 | 110ø-103.A/F | 500 |
Enquiry
If you have any query related to this product please contact us at +912222821251 or reach to us through email at info@avlok.com. Our experts would guide you the same and inform regarding other various metals suitable for your applications.
FAQ
A double check valve is a mechanical device that prevents the reverse flow of fluids (such as water, gas, or chemicals) in a pipeline. It consists of two internal check valves arranged in series to provide double protection against backflow.
When fluid flows in the intended direction, the pressure opens the two check valves, allowing flow. If reverse flow occurs, the check valves close, preventing fluid from moving backward.
We export worldwide
































