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S.K Trading & Co.Industrial Valve Dealer & Supplier
Safety, Steam & Line Protection

Pressure Relief Valves

Relief valves that open in proportion to overpressure, protecting pumps, liquid lines, tanks and mains. We supply pressure relief valves from Navi Mumbai to plants, contractors and projects across India.

Pressure Relief Valves — illustrative photograph

Types we supply

  • Direct spring loaded
  • Pilot operated
  • Balanced bellows
  • Diaphragm
  • Pump bypass
  • Surge anticipating (water hammer)
  • Temperature and pressure (T&P)
  • Tank breather

Key facts

Key facts for Pressure Relief Valves
Typical size range6 mm to 600 mm
Pressure / ratingSet pressure up to about 400 bar
MaterialsCast iron, ductile iron, WCB, stainless steel, bronze
StandardsAPI 526, ISO 4126
Typical applicationsPositive displacement pumps, water mains, hot water systems, storage tanks

Ranges are typical for the product type, not a stock list. We confirm the exact size, rating, make and delivery on the quotation.

What to include in your enquiry

  • Valve type (for example: solid wedge gate, Y-pattern globe)
  • Size (mm or inch)
  • Pressure class or rating (PN or ASME Class)
  • Body material and grade (for example: WCB, CF8M, cast iron)
  • Trim, seat or lining material
  • End connection and operation (flanged, screwed; handwheel, gear, actuator)
  • Fluid, temperature and pressure
  • Quantity, approved makes and documents (test certificate, IBR, inspection)

Pressure Relief Valves in our catalogue

Individual items with their listed specifications.

View all pressure & safety valves
Pressure & Safety ValvesForbes Marshall

Forbes Marshall Pressure Reducing Valve FMPRV 41

Stocked sizes

15 mm20 mm25 mm40 mm50 mm
Body Material
SG Iron (EN-JS1025)
End Connection
Screwed (BSPT / NPT / BSP) or Flanged (BS 10 Table F/H, PN10, PN16, Class 125, Class 150)
Design
Pilot Operated
Media
Steam, Compressed Air
Details
Pressure & Safety ValvesZoloto

Zoloto Pressure Reducing Valve

Body Material
Bronze
End Connection
Screwed (Threaded)
Design
Direct Acting
Media
Water
Details
Pressure & Safety Valves

Safety Relief Valves

Body Material
Carbon Steel
End Connection
Flanged
Design
Spring Loaded
Media
Steam
Details
Pressure & Safety Valves

Safety Valves

Size

200 mm
Details

FAQ

Pressure Relief Valves: common questions

Pressure Relief Valves are typically available from 6 mm to 600 mm, rated Set pressure up to about 400 bar. Exact sizes depend on the type, material and manufacturer; we confirm availability on the quotation.

Depending on type and manufacturer: API 526, ISO 4126. Tell us the standard your specification calls for and we will quote against it.

We deal in pressure relief valves from leading manufacturers, matched to your specification and approved-makes list. Tell us the make you need, or ask us to recommend one for the duty.

More safety, steam & line protection