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PV401 Series

PV401 series of pressure vents are often used on storage tanks, road tankers and rail cars. The PV401 series opens at an internal pressure of 30kPa max. (BRC model opens at pressure of 185kPa).

There are several different variations using combinations of aluminium, stainless steel and 316 grade stainless steel together with either buna nitrile, Viton™ or Teflon™ encapsulated O-rings.

Special opening pressures can be supplied on request. 

 

Features & Benefits
  • Limits excess pressure within a tank to 30 kPa max.
  • Range of materials and seals available.
  • Simple and reliable emergency pressure relief venting.
  • Special opening pressures can be supplied on request.
  • PV401 series passes Australian drop test requirements of AS2809:2023.
  • When welded into tank shell, a Ø100mm opening is held closed by a spring within the tank.
Technical Information

Opening Pressure
Standard setting vent opens at 30kPa.
BRC model opens at 185 kPa. (Compartment pressure never to exceed 230 kPa)

Capacity
Standard setting: 3250m³/hr at a pressure of 45kPa.
BRC Model: 3635 m³/hr at a pressure of 205 kPa.
(compartment pressure never to exceed 230 kPa.)

Mounting
Weld in flange.

 

Ordering Information

PV401-AS-V: Aluminium cover, Stainless Steel 316 flange, Viton O-ring.

PV401-SS-V: Stainless Steel 316 cover, Stainless Steel 316 flange, Viton O-ring.

PV401-SST316: Stainless Steel 316 cover, Stainless Steel 316 flange, Teflon encapsulated O-ring.

PV401-AS-BRC: Aluminium cover, Stainless Steel flange with 185 kPa opening pressure for Rail car.

Resources
 

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