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Contact SupplierCast steel api check valve (swing type)
specification:
1)size: 2"-24"
2)pressure rating: 150#--300#--600#--900#--1500#
3)material: wcbwccwc6wc9lcblcccf8ss304cf8mss316 etc.
4)standards:
a)design and manufacture: bs 1868api6d
b)inspection and test: api598
c)flange connection: ansi b16.5
d)face to face: asme b16.10