Traditional One-Way Shutoff Quick Couplings Female Socket (SUS)
SF
Stainless One-Way Shutoff Quick Couplings (traditional type) - Female Socket and Plug- are suitable for use in air compressor, pneumatic tools, automobile, car washing and shipbuilding industry. A shut-off valve in the socket prevents fluid loss in case of disconnection. Moreover, it's two-hand required for operation of plugs and sockets without turning off the air source switch. Traditional type enables quick connection and disconnection of the fluid to reach the air-tight seal.
Whether used separately or combined, they are unsuitable for vacuum applications.
Features
- Durability.
- Corrosion Resistance.
- High and Low Temperature Resistance.
- Anti-oxidation.
Technical Data
Working Pressure: 15 kgf/cm²
Thread Size (PT): 1/8" ~ 1"
Seal Material: NBR, Viton
Material: SUS304, 316
Dimension

Specification
SF One-Way Shutoff Quick Coupling Female Socket (SUS)| Part No | Thread Size | Dimensions | H | |
|---|---|---|---|---|
| P-PT | Ø D | L | ||
| SF1 | 1/8" | 25 | 48.2 | 19 |
| SF2 | 1/4" | 25 | 51.2 | 19 |
| SF3 | 3/8" | 25 | 52.2 | 21 |
| SF4 | 1/2" | 25 | 56.2 | 27 |
| SF4-600 | 1/2" | 35 | 61.8 | 29 |
| SF6 | 3/4" | 35 | 62.8 | 32 |
| SF8 | 1" | 42 | 73.5 | 38 |
| SF8-600 | 1" | 35 | 65.8 | 38 |
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Details- Files Download
Traditional One-Way Shutoff Quick Couplings Female Socket (SUS) (SF ) – CHIBIN Machine
Since 1980 in Taiwan, CHIBIN Machine makes Traditional One-Way Shutoff Quick Couplings Female Socket (SUS) —compression, push-in pneumatic, hydraulic, quick couplings, and precision nozzle and needle valves for medical and semiconductor use.
Our fittings are ISO-certified and TTQS-awarded, with MIL-STD-105E quality checks. We stock 10,000+ standard parts and offer OEM/ODM custom runs up to 3,000 pcs.
With advanced CNC manufacturing and 40+ years of experience, CHIBIN Machine meets tight specs for surface finish, thread standards, and leak-tight testing. Get a fast quote today.





