Iwaki America and Walchem, IWAKI America Inc Anti-Siphon/Back Pressure Valve E90440

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Anti-Siphon/Back Pressure Valve - E90440 - Iwaki America and Walchem, IWAKI America Inc
Holliston, MA, USA
Anti-Siphon/Back Pressure Valve
E90440
Anti-Siphon/Back Pressure Valve E90440
Walchem diaphragm back pressure valves are used to enhance the performance of chemical feed pumps and systems by providing a constant discharge head pressure. These valves also function as an antisyphon valve. The diaphragm is held against the seat by the internal spring. Back pressure is adjustable from 0 - 150PSI via the tamper resistant adjustment screw. When the inlet pressure exceeds the preset pressure the diaphragm lifts off the seat and the chemical flows to the injection point. After each discharge stroke of the pump, as the pressure drops, the diaphragm reseats itself. Walchem diaphragm pressure relief valves are designed to protect chemical feed pumps and systems from overpressure caused by defective equipment or blockages in the chemical line. The 3 port design allows chemical to flow through the valve via an internal chamber. When the pressure in the chemical line exceeds the preset pressure of the valve the diaphragm lifts off the seat and the chemical then flows out the bottom port back to the chemical tank. Relief pressure is adjustable form 0 - 150PSI via the tamper resistant screw in the top of the valve.

Walchem diaphragm back pressure valves are used to enhance the performance of chemical feed pumps and systems by providing a constant discharge head pressure. These valves also function as an antisyphon valve. The diaphragm is held against the seat by the internal spring. Back pressure is adjustable from 0 - 150PSI via the tamper resistant adjustment screw. When the inlet pressure exceeds the preset pressure the diaphragm lifts off the seat and the chemical flows to the injection point. After each discharge stroke of the pump, as the pressure drops, the diaphragm reseats itself.

Walchem diaphragm pressure relief valves are designed to protect chemical feed pumps and systems from overpressure caused by defective equipment or blockages in the chemical line. The 3 port design allows chemical to flow through the valve via an internal chamber. When the pressure in the chemical line exceeds the preset pressure of the valve the diaphragm lifts off the seat and the chemical then flows out the bottom port back to the chemical tank. Relief pressure is adjustable form 0 - 150PSI via the tamper resistant screw in the top of the valve.

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Technical Specifications

  Iwaki America and Walchem, IWAKI America Inc
Product Category Industrial Valves
Product Number E90440
Product Name Anti-Siphon/Back Pressure Valve
Valve Type Relief
Primary Material Stainless Steel
Valve Size 1.00 inch (25.40 mm)
Maximum Pressure 150.00 psi (106 m H2O)
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