• The YFL DI check valve includes swing type, lift type, ball type, vertical type, and wafer dual plate type;
• When the medium is back flowing, the pressure of medium will make the disc close automatically to avoid accidents.
• Bolted cover design;
• The YFL cast iron swing check valve is metal seated.

Product range:

• Size: DN40-DN600 1 1/2’’ ～24’’
• Pressure rating: PN6 PN10 PN16 125PSI 150PSI 10K
• End connection: Flanged end wafer end threaded end
• Body materials: Grey cast iron Ductile cast iron GG25 GGG40 GGG50 FC200 FCD40
• Disc materials: Grey cast iron/ Ductile cast iron with brass

Technical standards:

• Design: AWWA C508 DIN 3202 BS 5153 MSS-SP-71 EN1074-3
• Face to Face: BS5152 EN 558-1  JIS B2002
• Flanged ends: BS4504 JIS B2012 ASME B16.5
• Test and inspection: API 598