founded in 1970

6″ High Velocity PV Valve

Category: Blue Water Tank Ships
  • DUAL FUNCTION VALVE
    The ERL 6” high velocity pressure and vacuum relief valve allows your liquid cargo vessel to breathe in and out within specified vacuum and pressure levels, relieving both pressure and vacuum build ups with superior sealing performance
  • DESIGNED AND TESTED TO ISO 15364 GUIDELINES AND IMO 677 STANDARDS
    The ERL 6” High velocity PV valve carries a Certificate of Design Assessment by the American Bureau of Shipping (ABS). The valve has been test and approved for use with all cargos with minimum MESG values of .28mm and Apparatus Group IIC and above.
  • SIMPLE WEIGHT OPERATED DESIGN
    Our weight operated design doesn’t suffer from the performance variations caused by spring deterioration or the increased friction between internal guide stems and bushings common with friction-type designs. All operating mechanisms are located outside of the vapor stream eliminates the possibility of valve sticking due to product or contaminant build-up. Also the vacuum side of the valve is angled for positive drainage of cargo condensation back into the vapor header.
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  • SET POINT REPEATABILITY 3%
    Unique low friction design utilizes sealed stainless steel roller bearings outside of the vapor exhaust stream allowing the valve to open repeatedly within 3% of factory stated set opening point. Two easily reached test handles, as required by law, allow for easy testing.

  • 100% STAINLESS STEEL
    The main valve body is made of 1/2” thick stainless steel, with 1/4” pipe. Even the bearings and the full weather covers are stainless steel.

  • HIGH VELOCITY DISCHARGE
    The minimum discharge velocity rate of 40 meters/second is achieved at even the lowest flow rates. The unique pressure focusing nozzle creates a columnar exhaust flow path allowing vapors to disburse well above the deck level. This prevents flashback in all conditions.

  • AVAILABLE SETTINGS: UP TO 6 PSI PRESSURE, UP TO 3 PSI VACUUM

  • THE INLAND INDUSTRY STANDARD WITH OVER 3000 IN SERVICE

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