Cast iron/ductile iron check valve, flange end, swing type, metal seated
Available standards: ANSI class 125/150, DIN 3202-F6/F1(swing type to DIN 3202-F6; lift type to DIN 3202-F1), or BS 5153
Size: 1/2 to 16 inches
Nominal pressure: PN1.0, 1.6MPa
Face to face dimensions: ANSI B16.1, DIN 3202-F1, or BS 2080
Flange drilled is according to ANSI B16.1(or ANSI B16.5), DIN 2501, or BS4504 standards
Test standard: API 598
Materials:

• Body and bonnet: cast iron or ductile iron




• Disc: cast iron or ductile iron or cast iron/ductile iron with rubber lined




• Body seat ring: brass, bronze, and stainless steel




• Wedge seat ring: brass, bronze, and stainless steel




• Screen: stainless steel




• Bolt and nut: carbon steel with zinc plating