3 Inch Class 600 WCB Cast Steel Flanged Swing Check Valve Side View
3 Inch Class 600 WCB Cast Steel Swing Check Valve

13″ Class 600 WCB Swing Check Valve | Cast Steel BSO Ballseal

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Engineered to withstand extreme pipeline pressures, this 3-Inch (DN80) Class 600 Swing Check Valve is manufactured from heavy-wall ASTM A216 WCB Cast Steel. Designed for critical high-pressure oil, gas, and steam applications, its robust bolted cover and precision-machined disc ensure instantaneous, bubble-tight backflow prevention. Strictly conforming to BS 1868 and API 594 specifications, it provides unparalleled structural integrity for your most demanding industrial infrastructure.

🏭 Engineering Highlights:

  • Design Standard: Fully compliant with BS 1868, API 594, and ASME B16.34.
  • Body Material: ASTM A216 WCB (Heavy-wall casting designed for Class 600 high-pressure containment).
  • Safety Function: Unrestricted flow path with rapid, non-slam automatic closure.
  • Connection: Raised Face (RF) or Ring Type Joint (RTJ) Flanged ends strictly to ASME B16.5.
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Detailed Technical Specifications

Our High-Pressure Cast Steel Check Valves are engineered for maximum reliability and pressure containment in critical pipeline infrastructure. Below are the precise technical details for the Class 600 WCB Carbon Steel Series.

Valve Type Swing Check Valve (Flanged / RTJ Ends)
Design Standard BS 1868 / API 594 / ASME B16.34
Body Material ASTM A216 WCB (Heavy-Wall Cast Carbon Steel)
Pressure Rating ASME Class 600

Main Dimensions (Class 600 WCB Series)

Size (Inch) DN (mm) Face-to-Face (L/mm) Flange OD (D/mm) Height (H/mm)
2″ 50 292 165 205
3″ 80 356 210 245
4″ 100 432 275 290
6″ 150 559 355 385
8″ 200 660 420 465
10″ 250 787 510 540
12″ 300 838 560 610

🌐 High-Pressure Integrity & Global Standards

To safely handle Class 600 high-pressure flows, our WCB cast steel check valves feature a heavily reinforced bolted cover and undergo rigorous non-destructive testing (NDT), including RT and MT on critical casting areas. We manufacture strictly according to BS 1868, API 594, and ASME B16.34. Full EN 10204 3.1 Material Test Reports (MTRs) and pressure test certificates are provided with every shipment, guaranteeing complete traceability for your EPC projects.

🛡️ Severe Service Seating Options

High-pressure backflow prevention requires superior sealing interfaces. BSO Ballseal provides custom engineered trim solutions for our Class 600 series:

  • Standard Trim: 13Cr/Stellite (Trim 8 or Trim 5) for excellent resistance to galling, abrasion, and high temperatures.
  • Ring Type Joint (RTJ): Highly recommended for Class 600 flange connections to ensure absolute zero-leakage pipeline joints.
Design Feature

Bolted Cover, Swing Type
End Connection

Flanged
Material

WCB
Pressure Class

class 600

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