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Forged Check Valve

FEATURE

Check Valve is an automatic valve designed to prevent backflow of fluids, typically operating automatically based on pressure changes or gravity. There are two main types: Swing Check Valve and Lift Check Valve, each with different installation positions and application environments depending on their structure and operation method. Swing type opens and closes like a door using a hinge mechanism, suitable for low-speed flow and can be installed in various directions. On the other hand, Lift type has a disc that moves vertically in horizontal piping, enabling fast opening/closing and is effective for pressure maintenance.

Check Valve is an automatic valve that prevents backflow of fluids, operated by pressure changes or gravity. Main types are Swing and Lift, with different installation environments depending on structure and operation method. Swing opens and closes like a door using hinge mechanism and can be installed in various directions, Lift is suitable for horizontal piping and effective for fast opening/closing and pressure maintenance.

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FORGED CHECK

CUSTOMIZING

API 800/1500, ANSI 150/300/600/900/2500/4500 / Size 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2" / Material ASTM A105, A182-F5, F9, F11, F22, F304, F316, F304L, F316L, F321, F347, F51, F91, A350-LF2

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Class supports API 800, 1500 / ANSI 150~4500, and sizes range from 3/8" to 2". Connection types include Socket Welding, Threaded, Butt Welding, and Flanged, Materials include A105, A182 series (F5, F9, F11, F22, F304, F316, F304L, F316L, F321, F347, F51, F91) and A350-LF2. Swing Check features Renewable Seat, Lift Check features Integral Seat structure.

Class supports API 800, 1500 / ANSI 150~4500, sizes range from 3/8" to 2". Connection types include Socket, Threaded, Butt Welding, Flanged, Materials include A105 and various A182/A350 series alloys. Swing features Renewable Seat, Lift features Integral Seat type.

Capacity
CLASS
API 800, 1500 / ANSI 150, 300, 600, 900, 1500, 2500, 4500
Size
3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
End Connection
Socket Welding, Threaded, Butt Welding, Flanged
Material
A105, A182-F5, A182-F9, A182-F11, A182-F22, A182-F304, A182-F316, A182-F304L, A182-F316L, A182-F321, A182-F347, A182-F51, A182-F91, A350-LF2
Feature
Swing Check -- Bolted Cover Or Welded Cover Renewable Seat
Lift Check -- Bolted Cover Or Welded Cover Integral Seat
▼ Material Description -- Reference
A105 (A216 WCB)
Forged carbon steel suitable for high temperature and high pressure applications. Maximum use temperature approximately 425°C.
A182-F304 (A351 CF8)
18-8 stainless steel with excellent corrosion resistance and durability. Maximum use temperature approximately 316°C.
A182-F304L (A351 CF3)
Low carbon version of F304 with excellent weldability. Maximum use temperature approximately 316°C.
A182-F316 (A351 CF8M)
18-12 stainless steel with added molybdenum for enhanced corrosion resistance and durability. Maximum use temperature approximately 316°C.
A182-F316L (A351 CF3M)
Low carbon version of F316 with excellent weldability. Maximum use temperature approximately 316°C.
  • F304
    DWG
    • MODEL F150CUF
    • TYPE Swing or Lift
    • CLASS ANSI 150
    • Material A182-F304
    • CONN. Flanged
    • FEATURE Bolted, Welded or Pressure seal cover / Renewable seat
    • Size3/8"(15mm) ~ 2"(50mm)

    Forged ANSI 150 Stainless Steel Check Valve

  • F304
    DWG
    • MODEL F150CWS
    • TYPE Swing or Lift
    • CLASS API 800
    • Material A105
    • CONN. Screwed, Socket ends
    • FEATURE Bolted, Welded or Pressure seal cover / Renewable seat
    • Size3/8"(15mm) ~ 2"(50mm)

    Forged API 800 Carbon Steel Check Valve

  • F304
    DWG
    • MODEL F150CUS
    • TYPE Swing or Lift
    • CLASS API 800
    • Material A182-F304
    • CONN. Screwed, Socket ends
    • FEATURE Bolted, Welded or Pressure seal cover / Renewable seat
    • Size3/8"(15mm) ~ 2"(50mm)

    Forged API 800 Stainless Steel Check Valve