Check Valve Or Non Return Valve

Wafer check valve

Wafer check valve

As the name suggest, Check valve or Non Return Valve (NRV) allows liquid to flow in one direction only. It prevents Back flow of media in the reverse direction.

IVE” Offers “STARTEK” make Check valves, manufactured by M/S. Star Engineers, India, and an API 6D registered industrial valves manufacturer.

Along with Gate and Globe valve, Check vales are also preferred choice with Petroleum, Fertilizer and large Chemical plants.

An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

Key Features and Benefits of Check Valve Or Non Retrun Valve

  • “STARTEK” CHECK VALVES are available in size in the range from ½” (15mm) to 24” (600 mm)
  • Check valves are manufactured with Bolted Bonnet, Screwed Bonnet Design.
  • Non Return Valve can be mounted in Horizontal as well as Vertical direction by selecting Lift or Swing Type Design respectively.
  • Seat Rings can be Integral as well as renewable design.
  • Wafer Type check Valve & Disc Check valve are also available, which can be sandwich between two flanges.

Technical Data

Screwed Ends (BSP, NPT) : ANSI B 1.20.1 { ½” (15 mm) to 2” (50 mm)}
Flanged Ends : ANSI B 16.5 ASA 150#/ 300#
Socket Weld Ends : ANSI B 16.11
Butt Weld Ends : ANSI B 16.25
Valve Design : BS 1868 / BS 5352 / API 6D
Valve testing : BS 6755 / API 598

“STARTEK” CHECK VALVES are metal seated Check valves manufactured with variety of Trim Options, variying from Trim 1 to Trim 20 as per user requirement to achieve specific Pressure Temperature requirements.

Material of Construction


“STARTEK” Offers valves in the following metallurgy

CAST IRON : IS 210 FG 200 WITH SS 410/ SS 202 TRIMS
CAST CARBON STEEL : ASTM A 216 WCB / WCC WITH SS 410 / SS 202 / SS 304 TRIMS
FORGED CARBON STEEL : ASTM A 105 Gr. B WITH SS 13% Cr STEEL Trims
CAST STAINLESS STEEL : ASTM A 351 Gr CF-8 / CF-8M/ CF-3 / CF-3M / CN-7M/
    HAST ALLOY & OTHER AVAILABLE METALS

Download Cataloge/ drawing for

Lift Check Valve Screwed Ends

Lift Check Valve
Screwed Ends

Swing Check Valve Flanged Ends

Swing Check Valve
Flanged Ends

Disc Check Valve

Disc Check Valve

Lift check valve socket weld ends

Lift check valve
socket weld ends

Lined check valve

Lined check valve

PTFE Lined ball ckeck valve

PTFE Lined ball ckeck valve