Overview Ralston NPT Male Quick-connect Adapters QTHA-1MS0-QD
Make a bubble-tight seal on any Female NPT pressure device without using thread sealant or a wrench.’
- A unique design allows connection to standard female NPT ports using a pressure-assisted o-ring seal
- Pressure helps to seal the fitting better
- Stainless steel construction
- Made in USA
| Model | Max Pressure | End 1 Connector | End 2 Connector | Check Valve | Cap and Chain | Materials |
| QTHA-0.5MB0 | 5000 PSI / 350 bar / 35 MPa | 1/16″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Brass |
| QTHA-1MB0 | 5000 PSI / 350 bar / 35 MPa | 1/8″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Brass |
| QTHA-1MB1 | 3000 PSI / 200 bar / 20 MPa | 1/8″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Brass |
| QTHA-1MS0 | 5000 PSI / 350 bar / 35 MPa | 1/8″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Stainless Steel |
| QTHA-1MS1 | 3000 PSI / 200 bar / 20 MPa | 1/8″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Stainless Steel |
| QTHA-2MB0 | 5000 PSI / 350 bar / 35 MPa | 1/4″ Male NPT (ASME B1.20.1) | Male Quick-test | No | Brass | |
| QTHA-2MB1 | 3000 PSI / 200 bar / 20 MPa | 1/4″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Brass |
| QTHA-2MS0 | 5000 PSI / 350 bar / 35 MPa | 1/4″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Stainless Steel |
| QTHA-2MS1 | 3000 PSI / 200 bar / 20 MPa | 1/4″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Stainless Steel |
| QTHA-3MB0 | 5000 PSI / 350 bar / 35 MPa | 3/8″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Brass |
| QTHA-3MB1 | 3000 PSI / 200 bar / 20 MPa | 3/8″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Brass |
| QTHA-3MS0 | 5000 PSI / 350 bar / 35 MPa | 3/8″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Stainless Steel |
| QTHA-3MS1 | 3000 PSI / 200 bar / 20 MPa | 3/8″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Stainless Steel |
| QTHA-4MB0 | 5000 PSI / 350 bar / 35 MPa | 1/2″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Brass |
| QTHA-4MB1 | 3000 PSI / 200 bar / 20 MPa | 1/2″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Brass |
| QTHA-4MS0 | 5000 PSI / 350 bar / 35 MPa | 1/2″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Stainless Steel |
| QTHA-4MS1 | 3000 PSI / 200 bar / 20 MPa | 1/2″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Stainless Steel |
| QTHA-6MB0 | 5000 PSI / 350 bar / 35 MPa | 3/4″ Male NPT (ASME B1.20.1) | Male Quick-test | No | No | Brass |
| QTHA-6MB1 | 3000 PSI / 200 bar / 20 MPa | 3/4″ Male NPT (ASME B1.20.1) | Male Quick-test | Yes | No | Brass |
Source: ralstoninst.com
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