Specifications

Flange End Forged Steel Check Valve  

Detailed Product Description

• Ends type: flange ends, inner screwed ends, and socket welding ends
• Class: 150 to 600, 900 to 1,500, and 2,500lbs
• Design: ASME/ANSI B16.34, API 600, and API 602
• Ends connection:
  • Flange dimension: ASME/ANSI B16.5(RF)
  • SW dimension: ANSI B16.11
  • Screwed dimension: ANSI B16.20
  • BW dimension: ANSI B16.25
• Structural features:
  • Bolt bonnet (BB) and outside screwed and yoke (OS and Y)
  • Welded bonnet (WB) and outside screwed and yoke (OS and Y)
  • Pressure-in bonnet (PS), outside screwed, and yoke (OS and Y)
  • Body material: A105, F304, F304L, F316, and F316L
  • Inspection and test: API 598.