Home > Product > Minimess Test Couplings > Quick Release Coupling Identification & Selection Guide
Choosing the correct Quick Release Coupling (QRC) can be the difference between efficient, safe fluid transfer and costly downtime. At Perfect Engineers, we help you select the right coupling based on your media, pressure, application, and equipment type. This guide outlines how to identify, measure, and match QRCs to your system needs.
Choosing the right Quick Release Coupling (QRC) for your system is crucial to ensure smooth and safe fluid transfer operations. Whether you’re in industrial, agricultural, or commercial applications
Selecting the right Quick Release Coupling (QRC) for your industry can make a world of difference in ensuring fluid transfer systems operate smoothly, safely, and efficiently.
Choosing the right size Quick Release Coupling (QRC) is essential to ensure smooth fluid transfer, efficient pressure management, and leak-free connections.
When choosing a Quick Release Coupling (QRC) for your fluid transfer system, selecting the appropriate material grade is essential for ensuring strength, corrosion resistance
Choosing the correct Hydraulic Quick Coupling (QRC) is vital for maintaining fluid transfer systems in industrial, agricultural, and commercial applications.
| Nominal Size | Actual OD | Common Threads |
|---|---|---|
| 1/4″ | ~13mm | 1/4” BSP/NPT/UNF |
| 3/8″ | ~17mm | 3/8” BSP/NPT |
| 1/2″ | ~21mm | 1/2” BSP/NPT |
| 3/4″ | ~27mm | 3/4” BSP/NPT |
| 1″ | ~34mm | 1” BSP/NPT |
| Description | Casting | Forging | UNS Grade |
|---|---|---|---|
| Carbon Steel | A216 WCB | A105 | K30504 |
| SS 304 | A351 CF8 | A182 F304 | S30400 |
| SS 316 | A351 CF8M | A182 F316 | S31600 |
| Hastelloy | A494 CW6M | B574 N10276 | N10276 |
| Monel | A494 M35-1 | B564 N04400 | N04400 |
| Standard | Valve Type | Pressure Rating | Connection |
|---|---|---|---|
| ISO 7241-A | Poppet Valve | Up to 4000 PSI | Push-to-connect |
| ISO 7241-B | Poppet Valve | Up to 6000 PSI | Push-to-connect |
| ISO 16028 | Flat Face | Up to 5000 PSI | Face-lock push type |
| DIN | Screw or poppet | Custom | Threaded screw type |
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Match male and female with sample sockets or use cross-reference charts.
Use material and connection type to estimate. We can help verify with testing.
Yes, including hybrid ends, adapters, and mixed material QRCs.
Only if compatible in material and sealing. Use application-specific QRCs.
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