The Pulsafeeder diaphragm Pressure Relief Valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Wetted materials include: PVC, PVDF, PTFE, 316SS. Available sizes: 1/2” – 1.5"

The Pulsafeeder diaphragm Back Pressure Valves are 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. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Wetted materials include: PVC, PVDF, PTFE, 316SS. Available sizes: 1/2” – 1.5”