Home > Product > Quick Release Coupling (QRC) > Types of Quick Release Couplings > Double Shut-Off Quick Release Coupling
Perfect Engineers offers a robust line of Double Shut-Off Quick Release Couplings (QRCs) designed for absolute control and safety in fluid handling systems. Engineered for high-pressure applications, these couplings automatically shut off flow from both ends (male and female) when disconnected—ensuring zero leakage and system integrity during servicing, transport, or maintenance.
A Double Shut-Off QRC features an internal valve on both the plug and socket ends. When disconnected, both valves close instantly to contain fluid and prevent leaks, spills, or contamination. It’s ideal for critical and hazardous applications across hydraulic and chemical industries.
| Parameter | Specification |
|---|---|
| Size Range | 1/4″ to 2″ |
| Shut-Off Type | Dual Valve (Both Ends) |
| Working Pressure | 1500 – 10,000 PSI |
| Connection Type | Threaded, Push-to-Connect, Screw-Type |
| Seal Materials | Viton, Nitrile (NBR), EPDM |
| Material Options | SS 304, SS 316, Brass, Carbon Steel, Inconel |
| Temp Range | -30°C to +200°C |
| Standards | ISO 7241-A/B, DIN, ANSI Compatible |
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| Feature | Single Shut-Off | Double Shut-Off |
|---|---|---|
| Valve on Male & Female | ❌ | ✅ |
| Prevents Spillage | Moderate | 100% Sealed |
| Air/Fluid Isolation | Partial | Full Containment |
| Ideal For | Air tools, water | Hydraulic, chemical, oil |
Germany, Canada, UAE, Saudi Arabia, Indonesia, South Africa, Bangladesh, Oman, Malaysia, France, and more
Mumbai, Delhi, Pune, Ahmedabad, Chennai, Coimbatore, Bengaluru, Jaipur, Faridabad, Hyderabad, Kolkata, Surat
Yes, all models comply with ISO 7241-A/B and DIN interchangeability.
Absolutely. We recommend SS or brass versions with Viton seals.
Yes. We offer flat face dual shut-off QRCs on request.
Standard up to 10,000 PSI; custom builds can handle 15,000+ PSI.
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