Window Type Drain Valve


◎The window-type drain valve is used to protect the flow through pipes, pumps, accessories, especially irrigation safety equipment.
◎The visual window type drain valve design of health and safety, prevent dangerous and equipment failure due to the pressure induced, exterior design with a transparent window can be observed in the overflow, pressure setting can be achieved through the upper hand wheel can be, can debug through external pressure gauge can be clearly see
◎Full stainless steel, the valve is the best choice for protection equipments in diary,food, beverage, pharmacy and fine chemical industries.

Operating Principles

◎The valve is normally closed.
◎Pressure is set by calibrating the spring with pressure nut.
◎When the pressure in the pipe exceeds to the specify pressure, the valve open automatically to make the liquid flow in order to reduce pressure.

Technical Specifications

◆KV Value:8.5-49m³/h
◆Max. temperature:130℃(EPDM)/266℉
Certification: safety valve manufacturing license for special


  • Window Type Drain Valve
  • Window Type Drain Valve
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Specification Data Sheet
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