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  • 产品名称：Models 189, 363 and 389

  • 产品型号：Models 189, 363 and 389
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简单介绍：
Models 189, 363 and 389 ASME Section VIII, Air/Gas Cryogenic, “UV” National Board Certified, Safety Valves
详情介绍：
Models 189, 363 and 389
ASME Section VIII, Air/Gas Cryogenic, “UV” National Board Certified, Safety Valves

Models 189, 363 and 389

  • Description
  • Specifications
  • Documentation
Kunkle Pressure Relief Valves, Direct Spring Process Valves, Thermal/Threaded Valves, Kunkle Safety and Relief Products Models 189, 363 and 389 

ASME Section VIII, Air/Gas Cryogenic, “UV” National Board Certified, Safety Valves

Model Descriptions
Model 189: Bronze housing with Stainless Steel (SS) trim (nozzle and disc) with Teflon® seat/seal in disc. Plain lift lever.
Model 189C: Same as model 189 except pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig.*
Model 189P: Same as model 189 except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig.*
Model 363: Bronze housing with SS trim (nozzle and disc) with Teflon® seat/seal in disc. Plain lift lever. 1000 psig maximum set pressure.
Model 363C: Same as model 363 except pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig.1 1000 psig maximum set pressure.
Model 363P: Same as model 363 except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig.1 1000 psig maximum set pressure.
Model 389C: All SS with Teflon® seat/seal in disc. Pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig.*
Model 389P: Same as model 389C except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig.

* Back pressure increases set pressure on a one to one basis, and reduces capacity. Back pressure in excess of 10% of set pressure is not recommended.

Features & Benefits:

  • Unique three-piece disc assembly (with Teflon® seat/seal) offers superior leak-free performance over the entire pressure/temperature operating range.
  • Warn ring offers precise opening with minimum pre-open or simmer.
  • Pivot between disc and spring corrects for all misalignment and compensates for spring side thrust.
  • All adjustments are factory sealed to prevent tampering and disassembly.
  • Each Kunkle valve is tested and inspected for pressure setting and leakage.
Specifications

Pressure and Temperature Limits
Model 363: 50 psig to 1000 psig; -320°F to 350°F
Model 189: 1000 psig to 2500 psig; -320°F to 350°F
Model 389: 50 psig to 2500 psig; -320°F to 350°F


 
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