Group Companies:
Engineering Art Industry
Him-Pushp Engineers
Shree-Ji Powerlines
Shree-Ji International
Welcome to SHREE-JI GROUP!! >> OUR COMPAN IES - Engineering Art Industry, Him-Pushp Engineers, Press-N-Forge, Shree-Ji Powerlines, Shree-Ji International >> PRODUCTS WE MANUFACTURE - Buchholz Relay & Oil Surge Relay, Bushings - Metal Parts, Cable Connector Assembly, L.V. Windings / Coils, Linear Tap Changer, Magnetic Oil Level Gauge (MOG), Oil Drain Device, Pressure Relief Valve (PRV), Prismatic Oil Level Gauge (POG), Radiator (Butterfly) Valve, Silica Gel Breather, Wheel (Roller) Assembly, Copper Conductors, Flexible Copper Connectors
Pressure Relief Valve (PRV)

PRV is a safety device used in the distribution transformer upto 5 MVA, OLTC and similar equipments. The PRV is used to prevent heavy damages of the tank due to sudden rise of internal pressure.


We manufacture Complete Range; 1/4", 1/2", 3/4", 1", 2", 3" and 6".


Exclusive Features of our 1" & 2" Pressure Relief Valves

  • Compact, Economical and highly reliable design.
  • The short tail allows an easy placement for any portion of the cover.
  • Bursting pressure adjustable from .22 to .70 Kg/sq. cm.
  • Rugged Forged Brass body and Shutter with 1" and 2" BSP outer thread for Vertical and Horizontal mounting of the Tank.
  • Center Rod is Made out of Brass to Ensure a Safe and Steady Service and a Long Life.
  • Protection Built into the Cap in order to direct any Oil Spills Downward.
  • The Valve can be used as filling Cap too.


Exclusive Features of our 3" & 6" Pressure Relief Valves

  • Type 304 Stainless Steel Deep Drawn Diaphram with Spring Locator Convolutions.
  • Specially designed reverse wound springs and Assemble methods provides uniform valve loading and Improved relief rates.
  • Unique Spring retaining system on Diaphram and cover.
  • All stainless steel fastners and hardware.
  • Automatic Instantaneous Venting and Sealing.
  • 100% Tested for Proper Operation and Serialized for Traceability.
  • Pressure Die cast is porosity free.
  • Aluminium flange and Cover are duly UV Proof Powder coated for better climate protection.
  • IP 67 protected Switch with 1NO and 1NC contact.
  • Brightly coloured flag, Integrated with switch, gives visual indication of valve operation by raising a flag.


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