
Ralston NPT Male Quick-connect Fittings
Male NPT Quick-connect fittings with pressure-assisted o-ring seal and cap & chain — no thread sealant or wrench on the process side
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 Male Quick-connect fittings make calibrating pressure transmitters a snap by eliminating the need for thread sealant or wrenches when connecting to any female NPT connection. A unique design seals with a pressure-assisted o-ring; a removable cap and chain provide easy hose access.
- Unique design connects to standard female NPT ports using a pressure-assisted o-ring seal
- Pressure helps seal the fitting better
- Cap and chain make calibration easy without a wrench or thread sealant
- Stainless steel construction
- Working pressure up to 5,000 psi
- Made in USA
Part of the Ralston Quick-test system of safe, stable, leak-free connections.
Shipping and tax are confirmed when we review your order.
OEM family: NPT Male Quick-connect Fittings (https://www.ralstoninst.com/npt-male-quick-connect-fittings).
Specifications
| Family | NPT Male Quick-connect Fittings |
| Process connection | Male NPT Quick-connect (pressure-assisted o-ring) |
| Hose connection | Male Quick-test with cap and chain |
| Max pressure | 5,000 psi / 350 bar / 35 MPa |
| Materials | Stainless steel |
| Country of origin | USA |
Videos
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Configure your QTFT
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Choose NPT size. These Quick-connect fittings seal into female NPT ports with a pressure-assisted o-ring — no thread sealant or wrench on the process side. Shipping and tax are confirmed when we review your order.
Ordering information
4 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| QTFT-1MS0-QD | 1/8" male NPT QD (Quick-connect) fitting, S.S. | $98.97 | |
| QTFT-2MS0-QD | 1/4" male NPT QD (Quick-connect) fitting, S.S. | $103.82 | |
| QTFT-3MS0-QD | 3/8" Male Quick-connect x Male Quick-test, with cap and chain, S.S. | $128.74 | |
| QTFT-4MS0-QD | 1/2" Male NPT Quick-connect x Male Quick-test, with Cap and Chain, S.S. | $123.75 |
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