Ralston NPT Female Quick-connect Adapters
Connect Quick-test hoses to a male NPT pressure gauge — calibrate and remove without a wrench or thread sealant using a pressure-assisted o-ring Quick-connect
Pick your exact configuration in the ordering table below to add it to your cart.
Same-day response on quotes. ISO/IEC 17025 accredited calibration available.
Overview
NPT Female Quick-connect adapters connect Quick-test hoses to male NPT pressure gauges and process connections without thread sealant or a wrench. A pressure-assisted o-ring seal improves as pressure rises.
- Unique design seals male NPT connections with a pressure-assisted o-ring
- Pressure helps seal the fitting better
- Stainless steel construction
- Working pressure up to 5,000 psi
- Made in USA
Shipping and tax are confirmed when we review your order.
OEM family: NPT Female Quick-connect Adapters (https://www.ralstoninst.com/npt-female-quick-connect-adapters).
Specifications
| Family | NPT Female Quick-connect Adapters |
| Process connection | Female NPT Quick-connect (ASME B1.20.1) |
| Hose connection | Male or female Quick-test (by model) |
| Max pressure | 5,000 psi / 350 bar / 35 MPa |
| Materials | Stainless steel |
| Country of origin | USA |
Videos
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Configure your QTHA
Pick your options and we'll build the exact part number with a list-price estimate.
Select a model to build your part number.
Choose NPT size and Quick-test gender. These Quick-connect adapters seal onto male NPT gauge/process threads with a pressure-assisted o-ring. Shipping and tax are confirmed when we review your order.
Ordering information
6 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| QTHA-1FS0-QD | 1/8" female NPT Quick-connect x male Quick-test, no check-valve, S.S. | $71.85 | |
| QTHA-1FSA-QD | 1/8" female NPT Quick-connect x female Quick-test, no check-valve, S.S. | $94.18 | |
| QTHA-2FS0-QD | 1/4" female NPT Quick-connect x male Quick-test, no check-valve, S.S. | $78.01 | |
| QTHA-2FSA-QD | 1/4" female NPT Quick-connect x female Quicktest, no check valve, S.S. | $101.35 | |
| QTHA-4FS0-QD | 1/2" female NPT Quick-connect x male Quick-test, no check-valve, S.S. | $98.68 | |
| QTHA-4FSA-QD | 1/2" female NPT Quick-connect x female Quick-test, no check-valve, S.S. | $126.63 |
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