Models 189, 363, 389

189_363_389

Bronze housing with SS trim (nozzle and disc) with Teflon seat/seal in disc. Plain lift lever.

Features

  • Unique three-piece disc assembly (with Teflon seat/seal) offers superior ’leak free’ performance over the entire pressure/temperature operating range.
  • Control ring offers precise adjustment of blowdown.
  • Pivot between disc and spring corrects for all misalignment and compensates for spring side thrust.
  • Every valve 100% tested/inspected for set pressure, blowdown and leakage.
  • All adjustments are factory sealed to prevent tampering and disassembly.

Model 189

Pressure Limit:1000 to 2500 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.
KUKMC-189_363_389.pdf811.76 KB 189_363_389

Model 189C

Pressure Limit:1000 to 2500 psig
Temperature Limit:-320° to 350° F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.
KUKMC-189_363_389_1.pdf811.76 KB 189_363_389

Model 189P

Pressure Limit:1000 to 2500 psig
Temperature Limit:-320° to 350° F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

Same as Model 189 except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig.

KUKMC-189_363_389_3.pdf811.76 KB 189_363_389

Model 363

Pressure Limit:50 to 1000 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

Bronze housing with SS trim (nozzle and disc) with Teflon seat/seal in disc. Plain lift lever. 1000 psig maximum set pressure.

KUKMC-189_363_389_5.pdf811.76 KB 189_363_389

Model 363C

Pressure Limit:50 to 1000 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

Same as Model 363 except pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig. 1000 psig maximum set pressure.

KUKMC-189_363_389_7.pdf811.76 KB 189

Model 363P

Pressure Limit:50 to 1000 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

Same as Model 363 except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig. 1000 psig maximum set pressure.

KUKMC-189_363_389_9.pdf811.76 KB 189_363_389

Model 389C

Pressure Limit:50 to 2500 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

All SS with Teflon seat/seal in disc. Pressure tight cap for gas service only. Suitable for maximum back pressure of 50 psig.

KUKMC-189_363_389_11.pdf811.76 KB 189_363_389

Model 389P

Pressure Limit:50 to 2500 psig
Temperature Limit:-320° to 350°F
2 Sizes (Inlet & Outlet):1/2'' & 3/4'' , 3/4'' & 3/4''

Applications

  • Cryogenic ’cold’ and liquefied air, oxygen and gas service.
  • Multi-stage air and gas compressors, intercoolers, aftercoolers and receivers.
  • Thermal expansion relief and/or full rated capacity discharge.
  • Air, gas and liquefied gas lines and systems.

Same as Model 389C except pressure tight packed lift lever. Suitable for maximum back pressure of 50 psig.
 

KUKMC-189_363_389_13.pdf811.76 KB 189_363_389