The new Pneumatic Diaphragm Valves of GF Piping Systems represent a revolution in terms of safety, efficiency and simplicity.
Like the hand valves, the new DIASTAR also has a central union nut. This connection is non-corrosive, is temperature stable, and has a high pressure rating up to 240 PSI (for water use only).
Because of the doubled Cv values, the energy expenditure can be reduced considerably. At the same time, the flow characteristic is very linear and thus ideally suited for control applications.
Features like rotatable air connections and pre-tensioned spring-kits facilitate installation and maintenance enormously. The accessory interface allows simple integration into facility automation.

Joining Technology:
•Type 514 body: Unions with Solvent Cement Sockets, Threaded Sockets, and Fusion Sockets
•Type 515 body: Unions with Solvent Cement Spigots, Socket Fusion Spigots, and Butt Fusion Spigots
•Type 517 body: Unions with Fixed Flanges, and Loose Flanges
•Type 519 body: Unions with Branched Valve with Butt Fusion Spigots
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Item Name

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N/A 167624032 N/A DIASTAR Ten 20MM PTFE Fusion Socket Union $418.00 Add To Cart
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N/A 167624033 N/A DIASTAR Ten 25MM PTFE Fusion Socket Union $446.00 Add To Cart
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N/A 167624034 N/A DIASTAR Ten 32MM PTFE Fusion Socket Union $474.00 Add To Cart
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N/A 167624035 N/A DIASTAR Ten 40MM PTFE Fusion Socket Union $591.00 Add To Cart
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N/A 167624036 N/A DIASTAR Ten 50MM PTFE Fusion Socket Union $709.00 Add To Cart
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N/A 167624037 N/A DIASTAR Ten 63MM PTFE Fusion Socket Union $908.00 Add To Cart
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N/A 167625132 N/A DIASTAR Ten 20MM PTFE Fusion Spigot Union $466.00 Add To Cart
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N/A 167625133 N/A DIASTAR Ten 25MM PTFE Fusion Spigot Union $483.00 Add To Cart
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N/A 167625134 N/A DIASTAR Ten 32MM PTFE Fusion Spigot Union $561.00 Add To Cart
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N/A 167625135 N/A DIASTAR Ten 40MM PTFE Fusion Spigot Union $673.00 Add To Cart
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N/A 167625136 N/A DIASTAR Ten 50MM PTFE Fusion Spigot Union $820.00 Add To Cart
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N/A 167625137 N/A DIASTAR Ten 63MM PTFE Fusion Spigot Union $1,043.00 Add To Cart
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N/A 167645132 N/A DIASTAR Ten 20MM Fail-Safe To Open PTFE Fusion Spigot Union $321.00 Add To Cart
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N/A 167645133 N/A DIASTAR Ten 32MM Fail-Safe To Open PTFE Fusion Spigot Union $418.00 Add To Cart
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