All YFM cast steel check valves are available in a complete range of body/bonnet materials and trims. The valves are designed to provide fast check valve action and maximum service life. All swing check valves are full ported, have full API 600 wall thickness, and meet the design requirements of ANSI B16.34.

Design Feature:

·Meet design requirements of ANSI B16.5, B16.34, B16.10 ,B16.25 (for NPS≤24), MSS SP-44(for NPS>24), API-600 or API 6D
·Inspection and Test: accord with API 598
·Full range of body/bonnet & trim materials
·Renewable seat rings--seal welded
·Anti-rotation disc
·Flanged or butt weld ends
·Optional outside lever
·Full port design-API wall thickness