Traditional One-Way Shutoff Quick Couplings PU Plug (SUS) (PPU ) – CHIBIN Machine
Stainless One-Way Shutoff Quick Couplings (traditional type) - PU 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. CHIBIN specializes in stainless tube fittings, compression fittings, Rapid Fittings, Push-in Fittings, Hydraulic Fittings, Pipe Fittings, Quick Couplings, Valves, Nozzles and accepts ODM as well as ODM inquiry.
Traditional One-Way Shutoff Quick Couplings PU Plug (SUS)
PPU
Stainless One-Way Shutoff Quick Couplings (traditional type) - PU 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.
One-way shutoff quick coupling type include one touch and tradition. One touch and traditional type include male thread, female thread, PU and hose series.
There are a few different materials, including SUS316, SUS304, steel, and nylon with glass fiber. Stainless features durability, corrosive resistance, high and low temperature resistance as well as anti-oxidation. Steel features longer life than products on the market. Heat treated plugs enhance the impact resistance; hardness up to HRC45 ~ 50. Nylon66 features light weight, drop resistance, toughness, not easy to oxidize, weak acid and alkali resistance, suitable for water.
Quick Couplings, also known as quick connect and disconnect couplings, quick release couplings, include one-way shutoff, two-way shutoff and two-way shutoff (grease type), one touch quick coupling, straight through type, and camlock type.
Features
- Durability.
- Corrosion Resistance.
- High and Low Temperature Resistance.
- Anti-oxidation.
Technical Data
Working Pressure: 15 kgf/cm²
Hose ID: 1/4" ~ 1"
Seal Material: NBR, Viton
Material: SUS304, 316
Dimension
Specification
PPU One-Way Shutoff Quick Coupling PU Plug (SUS)| Part No | Tube OD | Dimensions | H |  | |||
|---|---|---|---|---|---|---|---|
| Ø | Ø E | Ø F | I | L | |||
| PPU6 | 6 | 3 | 7.5 | 20.5 | 42 | 14 | 14 |
| PPU8 | 8 | 4 | 7.5 | 20.5 | 42 | 14 | 14 |
| PPU10 | 10 | 5.5 | 7.5 | 20.5 | 43 | 14 | 17 |
| PPU12 | 12 | 7 | 7.5 | 20.5 | 43.5 | 17 | 19 |
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Traditional One-Way Shutoff Quick Couplings PU Plug (SUS) (PPU ) – CHIBIN Machine
Since 1980 in Taiwan, CHIBIN Machine makes Traditional One-Way Shutoff Quick Couplings PU Plug (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.