1" Threaded PVDF Series Diaphragm Back Pressure Valve

Designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-siphon valve. Spare Parts and rebuild kits available.

• Material: PVDF
• FNPT Threads (Standard)
• PTFE/EPDM Diaphragm (Standard)
• Spring: 10 – 150 psi (Spring pre-set: 50 psi)
• 304 Stainless Steel Bolting
• Anti-Siphon Function
• Adjustment Screw with Slot
• PVC, CPVC and PVDF rated to 250 psi @70°F / 17.2 Bar at 21°C
• PP rated to 150 psi @ 70°F / 10 Bar at 21°C

Options (Please include any options in Comments)

• ANSI Flanges
• DIN Flanges
• EN Threaded
• Socket
• True Union Socket
• True Union Flanged
• 0 - 50 psi and 10 - 250 psi Springs
• PTFE/FPM Diaphragm