High-pressure 2-inch WCB cast steel swing check valve with Class 300 flanged ends, providing reliable backflow prevention for oil, gas, and petrochemical pipelines.

2 inch Class 300 Swing Check Valve | API 6D Manufacturer | BSO Ballseal

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Engineered for high-pressure industrial piping, this 2-Inch Class 300 Swing Check Valve is manufactured from rugged WCB Cast Carbon Steel. Designed in strict compliance with API 594 and ASME B16.34, its heavy-duty bolted cover and precision-machined swing disc ensure instant, reliable closure to prevent flow reversal, protecting vital pumps and compressors in oil, gas, and power generation systems.

🏭 Engineering Highlights:

  • Body Material: ASTM A216 WCB Cast Steel for superior strength.
  • Pressure Rating: ASME Class 300 (Medium to High pressure).
  • Design: Swing type mechanism with ultra-low flow resistance.
  • Safety: Heavy-duty bolted bonnet design to withstand system surges.
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Detailed Technical Specifications

Engineered to prevent backflow in high-pressure piping systems, our Class 300 Cast Steel Swing Check Valves offer robust isolation and exceptional structural safety. Below are the precise technical details for the WCB Series.

Valve Type Swing Check Valve (Bolted Cover)
Design Standard API 594 / ASME B16.34
Body Material ASTM A216 WCB (Cast Carbon Steel)
Pressure Rating ASME Class 300

Material Construction (WCB Series)

Component Material Grade
Body / Cover ASTM A216 WCB
Disc WCB + 13Cr Overlay
Seat Ring ASTM A105 + 13Cr Surfacing
Hinge Pin ASTM A182 F6a (13Cr)

Main Dimensions (Class 300 Series, 2″-20″)

Size (Inch) DN (mm) Face-to-Face L (RF) Flange OD (D) Height (H)
2″ 50 267 165 165
2-1/2″ 65 292 190 180
3″ 80 318 210 195
4″ 100 356 254 230
6″ 150 444 318 305
8″ 200 533 381 365
10″ 250 622 445 420
12″ 300 711 521 475
14″ 350 838 584 520
16″ 400 864 648 580
18″ 450 978 711 645
20″ 500 1016 775 715

🌐 Material Integrity & Global Standards

Our WCB cast steel check valves are manufactured from premium-grade carbon steel to ensure maximum pressure containment and zero-leakage performance in high-pressure lines. Produced strictly to API 594 and ASME B16.34 standards. Full EN 10204 3.1 Material Test Reports (MTRs) are provided with every shipment, guaranteeing complete traceability.

Design Feature

Bolted Cover, Swing Type
End Connection

Flanged
Material

WCB
Pressure Class

Class 300

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