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    • AIR RELEASE
      & VACUUM BREAKER VALVE
      • AIR RELEASE &
        VACUUM BREAKER VALVE
      • AIR RELEASE
        & VACUUM BREAKER VALVE
      • COMBINATION AIR RELEASE
        & VACUUM BREAKER VALVE
      • VACUUM BREAKER
      • ADDITIONAL OPTION
    • SURGE RELIEF VALVE
      • SOLENOID VALVE
        OPERATING TYPE
      • N2 LOADED OPERATING TYPE
      • PILOT OPERATING TYPE
      • MECHANICAL STAND-ALONE
        AXIAL TYPE
    • BREATHER VALVE
    • PILOT-OPERATED PRESSURE AND
      VACUUM RELIEF VALVE
    • DETONATION PROOF
      FLAME ARRESTER
    • DEFLAGRATION PROOF
      FLAME ARRESTER
    • EMERGENCY VENT COVER
    • GAUGE HATCH COVER
    • HIGH VELOCITY PRESSURE VACUUM RELIEF VALVE
    • VAPOR EMISSION
      CONTROL SYSTEM
    • CRANKCASE EXPLOSION RELIEF VALVE
    • FLAMELESS EXPLOSION RELEIF VALVE
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PILOT-OPERATED PRESSURE AND VACUUM RELIEF VALVE

POV SERIES

Benefits

  • PILOT OPERATED
    – Ease of precision settings
    – Only the pilot needs to be set
    – Lower profile and weight than spring operated models for high settings
    – Remote pilot sensing option allows the pilot to sense the true system pressure
    – Remote or manual blowdown available
  • EXTRA TIGHT SEAL
    – Main valve remains tight to set pressure
  • FULL FLOW
    – Full open at 10% overpressure
  • SNAP-ACTION OR MODULATING ACTION
    – Modulating action conserves product since valve opening is proportional to overpressure.
    – Noise is reduced since the valve only opens fully when required.
  • SOFT SEATED
    – Soft seats seal tight to conserve product and minimize valve wear which improves reliability
  • TOP ENTRY
    – Reduces maintenance costs since the valve can be completely serviced without removal from its mounting

Introduction

The model BV/BS pressure vacuum relief valves designed manufactured and tested according to the API 2000 standard. The model BV/BS pressure vacuum relief valves used to relieve excess pressure and vacuum that has developed in a tank. To avoid product loss, BV/BS pressure vacuum relief valves are recommended for use on atmospheric storage tank. The set pressure and relieving pressure shall be consistent with the requirements of the standard according to which the thank was designed and fabricated. The model BV/BS can be manufactured the range of pressure and vacuum setting form ±22 mm W.C to ±8000 mm W.C. The model BV type is weight-loaded type with minimum setting ±22 mm W.C and maximum setting ±700 mm W.C. The model BS type is spring-loaded type over weight loaded type

The materials for BV/BS shall be selected for the stored-product service temperatures and pressures. Also, the materials should be compatible with the product stored in the tank and with any products formed in the vicinity of the relief valve during filling and discharge. Usually the materials are available in Aluminum, Carbon Steel, Stainless Steel grade 304, 316 and 316L to suit individual requirements.

  • AIR RELEASE VALVE
    • AIR RELEASE &
      VACUUM BREAKER VALVE
    • AIR RELEASE
      & VACUUM BREAKER VALVE
    • COMBINATION AIR RELEASE
      & VACUUM BREAKER VALVE
    • VACUUM BREAKER
    • ADDITIONAL OPTION
  • SURGE RELIEF VALVE
    • SOLENOID VALVE
      OPERATING TYPE
    • N2 LOADED OPERATING TYPE
    • PILOT OPERATING TYPE
    • MECHANICAL STAND-ALONE
      AXIAL TYPE
  • BREATHER VALVE
  • PILOT-OPERATED PRESSURE AND
    VACUUM RELIEF VALVE
  • DETONATION PROOF
    FLAME ARRESTER
  • DEFLAGRATION PROOF
    FLAME ARRESTER
  • EMERGENCY VENT COVER
  • GAUGE HATCH
  • HIGH VELOCITY PRESSURE
    VACUUM RELIEF VALVE
  • VAPOR EMISSION
    CONTROL SYSTEM
  • CRANKCASE EXPLOSION RELIEF VALVE
  • FLAMELESS EXPLOSION RELEIF VALVE
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