Ralston NPT Female Quick-test Adapters
Connect a Quick-test hose to a pressure gauge or any device with a male NPT connection using thread sealant and a wrench
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
Female NPT Ralston Quick-test adapters connect male NPT threads on pressure gauges and process devices to Quick-test hoses — leak-free connect/disconnect without a wrench on the hose end.
- Connect to pressure gauges with NPT connections
- Adapt to a wide range of Male NPT process connections
- Brass or stainless steel, with or without check valve
- Working pressure up to 5,000 psi on no-check models (check-valve models typically 3,000 psi)
- Made in USA
Shipping and tax are confirmed when we review your order.
OEM family: NPT Female Quick-test Adapters (https://www.ralstoninst.com/npt-female-quick-test-adapters).
Specifications
| Family | NPT Female Quick-test Adapters |
| Process connection | Female NPT (ASME B1.20.1) |
| Hose connection | Male Quick-test |
| Max pressure | Up to 5,000 psi (no check valve) / typically 3,000 psi (with check valve) |
| Materials | Brass or stainless steel |
| Country of origin | USA |
Videos
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Configure your QTHA
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Select a model to build your part number.
Choose NPT size, material, and check valve. These adapters thread onto male NPT process connections (gauges, transmitters). Shipping and tax are confirmed when we review your order.
Ordering information
15 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| QTHA-1FB0 | 1/8" female NPT x male Quick-test, no check-valve, brass | $19.57 | |
| QTHA-1FB1 | 1/8" female NPT x male Quick-test, with check-valve, brass | $24.74 | |
| QTHA-1FS0 | 1/8" female NPT x male Quick-test, no check-valve, S.S. | $47.45 | |
| QTHA-1FS1 | 1/8" female NPT x male Quick-test, with check-valve, S.S. | $59.51 | |
| QTHA-2FB0 | 1/4" female NPT x male Quick-test, no check-valve, brass | $16.10 | |
| QTHA-2FB1 | 1/4" female NPT x male Quick-test, with check-valve, brass | $24.61 | |
| QTHA-2FS0 | 1/4" female NPT x male Quick-test, no check-valve, S.S. | $60.61 | |
| QTHA-2FS1 | 1/4" female NPT x male Quick-test, with check-valve, S.S. | $75.77 | |
| QTHA-3FB0 | 3/8" female NPT x male Quick-test, no check-valve, brass | $33.39 | |
| QTHA-3FB1 | 3/8" female NPT x male Quick-test, with check-valve, brass | $40.42 | |
| QTHA-3FS0 | 3/8" female NPT x male Quick-test, no check-valve, S.S. | $64.87 | |
| QTHA-3FS1 | 3/8" female NPT x male Quick-test, with check-valve, S.S. | $83.25 | |
| QTHA-4FB0 | 1/2" female NPT x male Quick-test, no check-valve, brass | $37.63 | |
| QTHA-4FS0 | 1/2" female NPT x male Quick-test, no check-valve, S.S. | $60.91 | |
| QTHA-6FB0 | 3/4" female NPT X male Quick-test, no check-valve, brass | $35.84 |
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