Ralston BSPP Male (RS) Quick-test Adapters
Connect female BSPP (ISO 228) parallel thread ports to Quick-test hose — bonded seal ring, brass or stainless, 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 Male (RS) Quick-test adapters connect female BSPP (ISO 228/1) parallel thread devices — such as Druck, SI, Fluke, or other hand pumps and pressure calibrators — to Ralston Quick-test hose.
- Pressure-tight seal is made on a bonded seal ring
- Brass and stainless steel 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 Male (RS) Quick-test Adapters (https://www.ralstoninst.com/bspp-male-rs-quick-test-adapters).
Specifications
| Family | BSPP Male (RS) Quick-test Adapters |
| Process connection | Male BSPP / G (ISO 228) |
| Hose connection | Male Quick-test |
| Max pressure | 5,000 psi / 350 bar / 35 MPa |
| Materials | Brass or stainless steel |
| Seal materials | Buna-N bonded seal ring |
| Country of origin | USA |
Videos
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Build your part number
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 BSPP size and material. These male RS adapters seal into female BSPP ports on a bonded seal ring. Shipping and tax are confirmed when we review your order.
Ordering information
5 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| QTHA-1MB0-RS | G 1/8" male BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $20.58 | |
| QTHA-1MS0-RS | G 1/8" male BSPP (ISO 228/1) x male Quick-test, no check-valve, stainless steel | $37.84 | |
| QTHA-2MB0-RS | G 1/4" male BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $44.09 | |
| QTHA-2MS0-RS | G 1/4" male BSPP (ISO 228/1) x male Quick-test, no check-valve, S.S. | $78.39 | |
| QTHA-3MB0-RS | G 3/8" male BSPP (ISO 228/1) x male Quick-test, no check-valve, brass | $45.23 |
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