Commercial/Industrial Valves

Kunkle Safety Valves & Safety Relief Valves

Kunkle Models 6010, 6021, 6030, 6121, 6130, 6182, 6186, 6221, 6230, 6283, 6933, 6934, 6935

Kunkle Models 6010, 6021, 6030, 6121, 6130, 6182, 6186, 6221, 6230, 6283, 6933, 6934, 6935

Model Description:

ASME Section I and VIII, Steam, “V” and “UV,” ASME Section VIII, Air/Gas “UV” National Board Certified.  Models 6933, 6934 and 6935 are ASME Section IV, “Steam” “HV” National Board Certified.  PED Certified for Non-Hazardous Gas.

  • Model 6010: Side outlet. Full nozzle design with bronze/brass trim.  Available with O-ring seats.  For exceptional leak-free performance.
  • Model 6021: Same as Model 6010 with Teflon® (PFA) disc insert. For exceptional leak-free performance (steam use only).
  • Model 6030: Same as Model 6010 except stainless steel (SS) trim (nozzle and disc). Available with O-right seats for exceptional leak-free performance.
  • Model 6121: Same as Model 6182 with Teflon® (PFA) disc insert. For exceptional non-leak performance (steam use only).
  • Model 6130: Same as Model 6182 except SS trim (nozzle and disc). O-ring seat available for exceptional leak-free performance.
  • Model 6182 : Top outlet. Full nozzle design with bronze/brass trim. O-ring seat available for exceptional leak-free performance.
  • Model 6186: Top outlet. Full nozzle design with bronze/brass trim. 150 PSIG [10.3 barg] maximum set pressure. Replaces Model 86 (original equipment only).
  • Model 6221: Same as Model 6283 with Teflon® (PFA) disc insert. For exceptional leak-free performance (steam use only).
  • Model 6230: Same as Model 6283 except SS trim (nozzle and disc).
  • Model 6283: Over-sized side outlet. Full nozzle design bronze/brass trim.
  • Model 6933: Same as Model 6010 except certified for ASME code Section IV. Low-pressure steam heating boilers set at 15 PSIG [1.0 barg] only.
  • Model 6934: Same as Model 6021 except certified for ASME code Section IV. Low-pressure steam heating boilers set at 15 PSIG [1.0 barg] only.
  • Model 6935: Same as Model 6030 except certified for ASME code Section IV. Low-pressure steam heating boilers set at 15 PSIG [1.0 barg] only.

Features:

  • O-ring seats available exceptional leak-free performance, reduced maintenance cost, multiple cycles with tight shutoff, improved seating integrity.
  • Wide hex on valve nozzle provides wrenching service clearance for easy installation.
  • Dual control rings offer easy adjustability for precise opening with minimum preopen or simmer and exact blowdown control.
  • Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • Grooved piston model disc reduces sliding area and friction.
  • Each Kunkle valve is tested and inspected for pressure setting and leakage.

Applications:

  • Steam boilers and generators.
  • Air/gas compressors -- reciprocating or rotary, portable or stationary, intercoolers and aftercoolers.
  • Pressure vessels containing steam, air or non-hazardous gas. Including tanks, receivers, sterilizers and autoclaves.
  • Pressure reducing stations -- protection of the discharge or low-pressure side of system.

Pressure and Temperature Limits:

  • Models 6010, 6021, 6182, 6283, 6221
  • Steam service
    • 3 to 250 PSIG [0.2 to 17.2 barg]
    • -60° to 406°F [-51° to 208°C]
  • Air/Gas Service
  • 3 to 300 PSIG [0.2 to 20.7 barg]
  • -60° to 406°F [-51 to 208°C]
  • Models 6030, 6130, 6230
    • Steam and air/gas service
      • 3 to 300 PSIG [0.2 to 20.7 barg]
      • -60° to 425°F [-51 to 218°C]

Please refer to the Kunkle Catalog or Contact for additional information.