Follow us on Call us for support at 952-935-2345. After hours messages are monitored 24/7

FIND PRODUCTS FOR:

Home>Distribution >Safety and Relief Valves

Models 910, 911, 916, 917, 920, 921, 927

Models 910, 911, 916, 917, 920, 921, 927
Kunkle

ASME Section VIII, Air/Gas/Steam/Liquid, 'UV' national Board Certified. Also available for vacuum service.

Model Descriptions

  • Model 910: CS body and bonnet with SS trim.
  • Model 911: All SS construction.
  • Model 916: Same as Model 910 except resilient seat/seals. Superior 'leak-free' performance.
  • Model 917: Same as Model 911 except 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). 1,400 psig maximum set pressure.
  • 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). 1,400 psig maximum set pressure.
  • 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). 1,400 psig maximum set pressure.

Pressure and Temperature Limits
See Catalog PDF for Pressure and Temperature Limits

Applications

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

Options

  • Threaded cap
  • Threaded cap with gag
  • Plain lever
  • Plain lever with gag
  • Plain lever with vibration dampener
  • Packed lever
  • Packed lever
  • Packed lever with gag

Features and Benefits

  • Available with soft seats.
  • Threaded cap standard (back pressure tight). Maximum back pressure 50 psig [3.4 barg].
  • Hex on valve nozzle provides for easy installation.
  • Single control ring offers easy adjustment of blowdown.
  • Pivoting disc design offers exceptional seat alignment.
  • Guide to nozzle ratio reduces friction.
  • Valve bodies are heavy duty castings.
  • Full nozzle design for optimum flow performance.
  • Threaded side outlet for piped off discharge to eliminate fugitive emissions.

Download Center

Product Literature
Installation, Operation & Maintenance
Technical Documents
Related Items
Models 19, 19M, 20, 20M, 20MP, 200A, 200H Non-code Bronze Liquid Relief Valves
Models 19, 19M, 20, 20M, 20MP, 200A, 200H Non-code Bronze Liquid Relief Valves
Model 40R, 40RL
Model 40R, 40RL
Model 71S, 171, 171P, 171S
Model 71S, 171, 171P, 171S
Model 215V, 337
Model 215V, 337
Models 230, 330, 300S, 333S - Relief Valves
Models 230, 330, 300S, 333S - Relief Valves
Models 6252, 6254 Air/Steam/Gas Relief Valves
Models 6252, 6254 Air/Steam/Gas Relief Valves
Browse Similar Items

Subscribe to our CS Update Newsletter: Join Our Mailing List

952-935-2345  email[email protected]