• The SV 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 SV 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