
Ralston BSPP Female (RG) Quick-test Adapters
Connect male BSPP (ISO 228) parallel thread ports to Quick-test hose — bonded seal ring, brass, up to 5,000 psi
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
BSPP Female (RG) Quick-test adapters connect male BSPP (ISO 228/1) parallel thread devices — such as pressure gauges and process connections — to Ralston Quick-test hose.
- Pressure-tight seal is made on a bonded seal ring or copper crush washer
- Brass models
- Working pressure up to 5,000 psi
- Hose end is male Quick-test
- 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: BSPP Female (RG) Quick-test Adapters (https://www.ralstoninst.com/bspp-female-rg-quick-test-adapters).
Specifications
| Family | BSPP Female (RG) Quick-test Adapters |
| Process connection | Female BSPP / G (ISO 228) |
| Hose connection | Male Quick-test |
| Max pressure | 5,000 psi / 350 bar / 35 MPa |
| Materials | Brass |
| Seal materials | Buna-N |
| Country of origin | USA |
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Choose BSPP size. These female RG adapters seal onto male BSPP ports with a bonded seal ring or copper crush washer. Shipping and tax are confirmed when we review your order.
Ordering information
4 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| QTHA-1FB0-RG | G 1/8" female BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $35.82 | |
| QTHA-2FB0-RG | G 1/4" female BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $26.55 | |
| QTHA-3FB0-RG | G 3/8" female BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $50.87 | |
| QTHA-4FB0-RG | G 1/2" female BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $47.32 |
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