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Kunkle Series 900 Valve

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Overview

  • Model 910: Carbon Steel (CS) body and bonnet with Stainless Steel (SS) trim.
  • Model 911: All SS construction.
  • Model 916: Same as model 910 resilient seat/seals. Superior “leak-free” performance.
  • Model 917: Same as model 911 except for resilient seat/seals. Superior “leak-free performance.
  • Model 920: Steel body and bonnet with screwed cap and stainless steel spring for organic fluid vaporizers (ASME Section I -“V” Special Use or application).
  • Model 921: Steel body and bonnet with plain lift lever and stainless steel spring for forced flow steam generators (ASME Section I – “V” Special Use or application).
  • Model 927: Steel body and bonnet with packed lift lever and SS spring for high temperature/pressure hot water boilers (ASME Section I – “V” Special Use or application)
  • Model 912: Full nozzle design. Stainless Steel (SS) warn ring and disc with brass/bronze base. Bronze/brass body and bonnet.
  • Model 913: Full nozzle design. Bronze/brass body and bonnet. 316 SS trim (base, disc, and disc holder).
  • Model 918: Same as model 912 except resilient seat/seal. Superior “leak-free performance. FM approved with 316 SS base for fire pump installations in “BDD” and “BDE” sizes2.
  • Model 919: Same as model 913 except resilient seat/seal. Superior “leak-free performance. Bronze body and bonnet. 316 SS trim (base, disc, and disc holder).

 

Applications

  • Air/gas compressors, intercoolers, aftercoolers.
  • Liquid filled pressure vessels/systems, ASME Section VIII (UV).
  • Vacuum systems including pumps, tanks, and equipment.
  • Pressure vessels – containing gas, air, liquid, or steam, including tanks and receivers.
  • Oil/gas separators.
  • Overpressure relief and protection of pumps, tanks, lines, and hydraulic systems.
  • Bypass relief or pressure regulation.
  • All SS Model 911 may be suitable for sanitary/edible applications.
  • Process and industrial corrosive applications

 

 

Specifications

Pressure and Temperature range per model Model 910:
-20°/800°F [-28.9°/427°C]Model 911:
-320°/800°F [-195°/427°C]Models 916 and 917: Temperatures limited by Elastomer seat material.

Models 912, 918: – Steam
3 to 250 psig [0.2 to 17.2 barg]1
-320° to 406°F [-195° to 208°C]

Models 913, 919: – Steam
3 to 300 psig [0.2 to 20.7 barg]1
-320° to 425°F [-195° to 219°C]

Models 912, 918: – Air/Gas/Liquid
3 to 300 psig [0.2 to 20.7 barg]
-320° to 406°F [-195° to 208°C]

Models 913, 919: – Air/Gas/Liquid
3 to 1400 psig [0.2 to 96.5 barg]
-320° to 425°F [-195° to 219°C]

Standards ASME

 

Features

  • Available with soft seats.
  • Threaded cap standard (backpressure tight). Maximum back pressure 50 psig [3.4 barg].1
  • Hex on valve nozzle provides for easy installation.
  • Warn ring offers easy adjustability.
  • Pivoting disc design offers exceptional seat alignment.
  • Guide to nozzle ratio reduces friction.
  • Valve bodies are heavy-duty casting.
  • Full nozzle design for optimum flow performance.
  • Threaded side outlet for piped-off discharge to eliminate fugitive emissions.
  • Each Kunkle valve is tested and inspected for pressure setting and leakage

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610-647-3810