Steam Boilers Pressure Reducing Valve / Safety Pressure Relief Valve Threaded NPT Connections

Basic Information
Place of Origin: China
Brand Name: KUNKLE
Certification: CE
Model Number: 6000
Minimum Order Quantity: 1 set
Packaging Details: One Valve Series 6000 Safety Relief Valves with APEX4000 Valve positioner packed with one fumigation wooden box.
Delivery Time: 7 working days after deposit
Payment Terms: L/C, T/T, Western Union
Supply Ability: 100 sets/Month
Name: Valve Series 6000 Safety Relief Valves With APEX4000 Valve Positioner Brand: KUNKLE
Model: 6000 Connections: Threaded NPT
Applications: Steam Boilers And Generators Temperature Range: -60° To 425°F (-51° To 219°C)
Steam Service: 3 To 250 Psig (0.2 To 17.2 Barg) -60° Code: ASME I, IV, VIII And PED
Valve Type: Safety Relief Valves Body Materials Class Range: Bronze
High Light:

back pressure regulator


fisher relief valve

Valve Series 6000 Safety Relief Valves with APEX4000

Valve positioner




Product Name Valve Series 6000 Safety Relief Valves with APEX4000 Valve positioner
Model 6000
Connections Threaded NPT
Temperature range -60° to 425°F (-51° to 219°C)
Steam service 3 to 250 psig (0.2 to 17.2 barg) -60° to 406°F (-51° to 208°C)
Valve Type Safety Relief Valves
Applications steam boilers and generators
Body Materials Bronze


Kunkle Valve Series 6000 Safety Relief Valves

Bronze safety valves to ASME section I and VIII, steam, ‘V’ and ‘UV’; section VIII, air/gas, ‘UV’ National Board certified including models to ASME section IV, steam ‘HV’. PED certified for non-hazardous gas


  • O-ring seats available for exceptional leak-free performance, reduced maintenance cost, multiple cycles with tight shutoff and improved seating integrity.
  • Heavy duty casting.
  • Wide hex on valve nozzle provides clearance for easy installation.
  • Seats lapped to optical flatness.
  • Dual control rings offer easy adjustability for precise opening with minimum pre-open or simmer and exact blowdown control.
  • Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • Grooved piston type disc reduces sliding area and friction.
  • Heavy duty lift lever assembly.
  • Each valve tested and inspected for pressure setting and leakage.

Company Information



Our Service

     1.Swift delivery

     For common parts, we can deliver the goods within 3 days

    2.Original products

     All the products we sell are from origin manufacturer. We will submit all the manufacturer documentation while we finish delivery.

    3.Quality Assurance

    4.Technical Support

     Including inspection,repair and maintenance, we can give all kinds of technical support.

    5.Quickly responce

     Our staffs will keep 24h online and answer your question very quickly.

A variety of controls for cryogenic systems including liquid and gas line-pressure buildup regulators, economizer (heat leak) back pressure valves, temperature safety valves, combination valves, shut-off valves and finalline/service-line regulators.

Contact Details
Edward Zhao

Phone Number : 15121023088

WhatsApp : +8615121023088