Forged Steel Check Valve

Forged Carbon Steel Lift Type Check Valve, Bolted Cover, Socket Weld / Screwed End, Class 50/300/600/800/900/1500/2500, Body & Cover as per ASTM A 105. 13% Cr. Steel Working Parts, S.S. 304 spring, High tencile Studs and Nuts, Spiral Wound S.S. 304 Graphoil Filled Gasket, Valve as per BS 1868, tested to API 598.

Piston / Ball or Swing Check
Full / Conventional Port
Bolted / Welded Cover Joint
T-Pattern / Y-Pattern
Integral Body Seat for Piston / Ball Check
Separate Seat Ring Design for the swing check valve

Size Pressure Rating End Connection type
15 MM to 50 MM 150# / 300# / 600#
800# /1500# / 2500#
Socket Weld End Connection
Butt weld End Connection
Screwed End Connection
Flange End Connection
Ring Type Joint (RTJ)

Material of Constructions

Body / Bonnet Material:
Forged Carbon & Carbon Alloy Steel:
Forged Stainless, Duplex and Nickel Alloy Steel: Seat Material:
Carbon Steel, Low Temperature Steel, High Temperature Carbon-Alloy Steel etc. Duplex and Super Duplex Steel of all Grades, Austenitic Stainless Steel of all Grades, Hastelloy and other High Nickel Alloys. SS410 + 13% Cr. / SS304 / SS316 / SS304L / SS316L / SS304 + Stellite / SS316 + Stellite

Technical Detail

Design & Manufacturer Standard: Testing & Inspection Standard:
API 602 API 598

Salient Features of Forged Steel Valve

  • Compact forged body requires minimum space for installation.
  • Ensures Maximum Safety and economy.
  • Precisely Designed
  • Weld-deposited or Press Fitted Seat Rings.
  • Seal Welded or Bolted Bonnet design.
  • Suitable for High Pressure & Temperature applications.
  • Maintenance friendly.
  • 1. BODY

    The body is forged steel and designed to the basic dimensional requirements of the applicable specifications such as API 602 and ASME B16.34. The body is available in both the full or conventional port design. It is also available in either T-Pattern or Y-Pattern configurations.

  • 2. COVER

    The cover is forged steel and designed to the basic dimensional requirements of the applicable specifications such as API 602 and ASME B16.34.

  • 3. BODY-COVER JOINT

    Two different cover joint designs are available. These are either the bolted cover or the threaded and seal welded type.

  • 4. GASKET

    The bolted cover joint design valve uses a contained, controlled compression, spiral wound type gasket.

  • 5.COVER BOLTING

    The cover bolting is manufactured of alloy steel in accordance with the requirements of the applicable specifications such as API 602 and ASME B16.34.

  • 6. SEAT

    The body seat for the piston and ball check valves is an integral weld overlay and is part of the valve trim. The swing check valve is supplied with a separate seat ring which is pressed into the valve body and wedged into place, forming a seal with the body.

  • 7. PISTON, BALL OR DISC

    The piston, ball or disc is forged steel and is part of the valve trim. The seating surface of the piston and ball check is of the tapered or plugs type design. The seating surface of the swing check is of the flat seat design.

  • 8. SPRING

    The spring is optional and supplied only upon request.

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