Check Valves

A check valve is a device that only allows the flow of fluids in one direction. They have two ports, one as an inlet for the media and one as the output for the media. Since they only allow media flow in one direction, they are commonly referred to as ‘one way valves’ or ‘non return valves.’ The main purpose of a check valve is to prevent backflow in the system

VTI Check Valve Bloated Bonnet

Swing Check Valve Bloated Bonnet

Class 150 /300/600 / 900 / 1500 / 2500
Ends Flanged / Butt weld
MOC Ferrous, Nonferrous and Other Exotic Material
Trim Ferrous, Nonferrous and Other Exotic Material
Mfg. Std. BS 1868/ANSI B16.34
Test Std. BS 6755 Part-/1 BSEN 12266 Part 1
  • API 6D Design.
  • NACE as per MR-01-75.
  • Ring Joint Facing.
  • Counter Wt./Lever/Dashpot Arrangement.
  • Other Trim Material.
  • Size 50 mm to 750 mm.
Swing Check Valve Pressure Seal Bonnet

Swing Check Valve Pressure Seal Bonnet

Class 900 /1500/2500
Ends Flanged/ Butt weld
MOC Ferrous, Nonferrous and Other Exotic Material
Trim Ferrous, Nonferrous and Other Exotic Material
Mfg. Std. BS 1868/ANSI B16.34
Test Std. BS 6755 Part-/1 BSEN 12266 Part 1
  • API 6D Design
  • NACE as per MR-01-75
  • Ring Joint Facing
  • Counter Wt./Lever/DashPot Arrangement
  • Other Trim Material
  • Size 50 mm to 500 mm
Lift Check Valve

Lift Check Valve

Class 800 /1500/2500
Ends SW/BW/Screwed/ Ext. Welded Flanges
MOC Ferrous, Nonferrous and Other Exotic Material
Plug Ferrous, Nonferrous and Other Exotic Material
Mfg. Std. BS 5352
Test Std. BS 6755 Part-/1 BS EN 12266 Part 1
  • Full Bore
  • NACE as per MR-01-75
  • Welded Cover
  • Cryogenic Service
  • Other Trim Material
  • Size 15 mm to 50 mm
Dual Plate Check Valve

Dual Plate Check Valve

Class 150 /300/600/900
Ends Wafer / Flanged / Lug Tye RTJ
MOC Ferrous, Nonferrous and Other Exotic Material
Plate Ferrous, Nonferrous and Other Exotic Material
Spring SS316 /Inconel
Mfg. Std. API 594
Test Std. API 598 BS EN 12266 Part 1
  • Alternate Body / Disc Material
  • Rubber Lining
  • API 6D Design
  • Soft Seat-Rubber/PTFE
  • Stellited Hard Face
  • NACE as per MR-01-75
  • Size 40 mm to 2000 mm
Tilting Disc Dashpot Arrangement Check Valve with Counterweight

Tilting Disc Dashpot Arrangement Check Valve with Counterweight

Class 150
Ends Wafer Holding Between Flanges
MOC Ferrous, Nonferrous and Other Exotic Material
Disc Ferrous, Nonferrous and Other Exotic Material
Soft Seat Buna-N / EPDM / Viton
Spring SS304 / SS316
Mfg. Std. API 594
Test Std. API 598
  • Alternate Body / Disc Material
  • API 6D Design
  • Size 25 mm to 1000 mm