Cf8m Dual Plate Check Valve

We are offering cf8m dual plate check valve.
Product description
1)design features
bolted bonnet,swing and lift disc;metallic seating surfaces
2)enforced standard:
design & manufacture std.: api 6d, bs1868
face to face std. Bw: asme b16.10
end connection std.: asme b16.5, b16.25
test standard: api 6d, api 598
3)major parameter:
size: nps 4
class: 1500
material:cf8mproduct description
1)design features
bolted bonnet,swing and lift disc;metallic seating surfaces
2)enforced standard:
design & manufacture std.: api 6d, bs1868
face to face std. Bw: asme b16.10
end connection std.: asme b16.5, b16.25
test standard: api 6d, api 598
3)major parameter:
size: nps 4
class: 1500
material:cf8m