10K/20K Cast Steel Swing Check Valve

Technical Requirement:
  1. Design & Manufacture: KS B 2361
  2. Face-to-Face: KS B 2306
  3. End Flanges: KS B 1511
  4. Inspection & Test: KS B 2304

Description

The 10K/20K Cast Steel Swing Check Valve is a heavy-duty automatic valve designed to prevent backflow in piping systems. Constructed from durable WCB (SCPH2) cast steel, it is suitable for high-temperature and high-pressure services. The valve features a hinged disc that swings open for forward flow and closes against the seat to prevent reverse flow, protecting downstream equipment from damage.

Technical Specifications:
  • Pressure Class: 10K / 20K (Approx. 10/20 kgf/cm²)
  • Size Range: DN50 – DN300 (Standard Range for Cast Steel Check Valves)
  • Applicable Medium: Water, Steam, Oil, Gas
  • Operating Temperature: -29°C to 425°C (WCB/SCPH2 Cast Steel Range)
Parts NameMaterials
Body, BonnetWCB(SCPH2)
DiscWCB(SCPH2)
Hinge PinSTS 420J1-B
Seat Ring2Cr13
Key Product Features:
  1. Robust Cast Steel Body: Constructed from WCB (SCPH2), providing superior strength and heat resistance for severe service conditions.
  2. Automatic Swing Mechanism: The hinged disc operates automatically based on flow pressure, ensuring immediate protection against backflow.
  3. Hardened Seat Ring: Equipped with a 2Cr13 stainless steel seat ring for excellent wear resistance and a tight metal-to-metal seal.
  4. Durable Hinge Pin: The STS 420J1-B hinge pin ensures smooth operation and long-term reliability of the swinging disc.
  5. Versatile Pressure Ratings: Available in 10K and 20K classes to accommodate various system pressure requirements.
Applications:
Ideal for Steam Distribution Systems, High-Pressure Water Lines, Oil & Gas Pipelines, and Power Generation. Specifically suited for installations where preventing reverse flow is critical to protect pumps, boilers, and other sensitive equipment.

Additional information

Standard

KS / JIS