API520 safety valve relief valve, ASME UV certified

HTO, HTB, HTOA, HTBA Series Pressure Relief Valve HTDO, HTDB Series Large Orifice Pressure Relief Valves

API520 safety valve relief valve  ASME UV certified

 

 

HTO, HTB, HTOA, HTBA Series Pressure Relief Valve 

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Features:

  • ASME UV certified ,and capacitiesare certified by the National Board Boiler and Pressure Vessel Inspector.
  • Widely used on the pressure pipes and vessels of the chemical and petrochemical plantsand system,
  • and provide high quality overpressure protection .
  • Special design make the disc to achieve full opening at small

overpressure.

  • Blowdown can be controlled by the blowdown adjustment
  • Strict manufacture technology assure pressure relief valve have high degree of seat tightness and long using life.

Size: 

  • 1″D 2″~ 8″T 10″

Class:

  • 150lb~ 2500lb

Temperature:

  • -196℃~ +538℃

HTDO, HTDB Series Large Orifice Pressure Relief Valves

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Feature:

  • ASME UV certified ,and capacitiesare certified by the National Board Boiler and Pressure Vessel Inspector.
  • Originally developed in response to the lager plants and resultant increased generating capacities.
  • lower cost and weight, and more compact.
  • One 20BB24 valve with a relief capacity nearly six times that of a T-orifice valve.

Size:

  • 10″V 14″~ 20″BB 24″

Class:

  • 150lb~ 300lb

Temperature:

  • -196℃~ +538℃

 

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