1/2" Service Valve
John Guest ½″ acetal push-fit service valve with screwdriver drive slot for quick isolation in potable water and beverage systems.
The John Guest ½″ Acetal Service Valve (part code 1/2ISV) is a high-quality push-fit isolation valve designed for easy installation and reliable shut-off in drinks dispense, water purification, and potable water systems.
Made from tough black acetal copolymer with nitrile O-rings, this valve resists corrosion and provides a secure connection to ½″ imperial tubing without the need for tools or sealants. The built-in screwdriver drive slot allows simple quarter-turn operation, making it ideal for maintenance or emergency shut-off situations.
Key Features
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Brand: John Guest – trusted in beverage and water systems worldwide
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Connection: Push-fit for ½″ imperial tubing (plastic or copper)
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Operation: Quarter-turn with screwdriver slot
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Material: Acetal copolymer body, nitrile O-rings
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Applications: Potable water, beverage dispense, and water purification units
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Approvals: WRAS approved for potable water use
Specifications
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Maximum Working Pressure: 10 bar at 20 °C
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Maximum Working Temperature: 65 °C
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Not Suitable For: Compressed air or vacuum applications
| Fitting Type | Service Valve |
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