Japan, Risyo Valve
Risyo AO (FO) Type Airless Open Piston Valve

Made in Japan
Manufacturer: Risyo Valve Works Co., Ltd.
Model: AO (FO)
Operation Overview
When the air pressure drops, the valve opens due to the spring’s restoring force.
Example of use
You can use this valve as a relief mechanism in a piping system that opens automatically when it loses operating air pressure.
Standard Conditions
Operating Air Pressure | Standard: 0.4MPaG or higher |
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Standard Options
- Open/close limit switch
- Solenoid valves (single/double solenoid, explosion-proof, etc.)
- Filter Regulator
- speed controller
- Lock-up valve
- Manual Operation Mechanism
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