KUNKLE VALVE

Safety and Relief Valves

 

800-876-0036

Phone: 847-356-0566   Fax: 847-356-0747      E-Mail: sales@mmcontrol.com


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Kunkle Relief Valves, Gas

 

Models 230, 330, 330S, 333S Relief Valves, ASME Section VIII, Gas, 'UV' National Board Certified

Spec & Tech Sheets                   

Kunkle Model 330

Model Descriptions

Model 230 1/4" Male NPT – 300/1500 psig. Aluminum housing with SS trim.
Model 330 1/4" Male NPT – 1000/5500 psig. Aluminum housing, SS trim. Sidewall discharge.
Model 330S Same as Model 330 except SS body suitable for 1000/6500 psig.
Model 333S Same as Model 330S except 1/2" Female NPT side outlet. Pressure-tight cap.


Benefits & Features

  • Improved Soft Seat option – provides repeatable leak-tight performance before and after each relief cycle. Allows for reduced maintenance costs, multiple cycles with tight shut-off, and improved seating integrity (Models 330, 330S and 333S).
  • Lightweight aluminum construction. Resistant to environmental and internal corrosion.
  • Model 230 (non-code) is direct spring-loaded design with synthetic disc insert.
  • Model 330 series incorporates a differential mechanism which maintains a predetermined seatcontact load.
  • The full spring load is never imparted to synthetic disc insert (Models 330, 330S, and 333S only).
  • Seat tightness increases as inlet pressure approaches set (opening) pressure.
  • Each Kunkle valve is tested and inspected for pressure setting and leakage.
 

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