43-37 & 643-37 Combination Rate of Flow & Solenoid ShutOff Valve

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Engineering Data Sheet E4337

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[43-37 & 43-37]

The Cla-Val Model 43-37 Combination Rate of Flow and Shut-Off Valve is a hydaulically-operated, diaphragm actuated, globe or angle pattern valve. It is available in various materials and full range of sizes. It consists of three major components: body, diaphragm assembly and cover. The diaphragm assembly is the only moving part. The rugged simplicity of design and packless construction assure a long life dependable, trouble-free operation. Should the diaphragm become damaged the valve will close tight, providing “fail safe” operation. The 43-37 Hytrol Valve is used in many types of piping system requiring control, flow regulation, rate of flow control, or check valve operation.

Advantages include:
  • Installed where flow is limited to a preselected maximum  for optimum pump control
  • Fail-Safe construction
  • Solenoid emergency shut-off
  • Adjustable maximum flow rate setting
  • No packing glands assure leak proof service
  • Available in aluminum, cast steel, stainless steel or ductile iron
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