Specifications
Material: Cast iron, ductile iron, carbon steel, stainless steel.
Dimention: DN40-DN1200mm, 1.5"-48"
Standards: GB, DIN, ANSI, BS, AS, JIS, ISO, MSN, API, KS etc.
Acquirement of TUV CE0036&ISO9002 and SGS ISO9001 certificates makes Huihua set up a full set of Quality Managing System. "quality is life" Huihua will always ensure supplying standard high quality valves to our clients
Technical data
Size DN 32--DN600
working pressure PN6/PN10/PN16
Flange drilling EN1092 PN16
Inspection and test API598
Product features
This wafer swing check valve with circular clack which is one ultra-thin check valve.Compare with the traditonal check valves,the new ones open/close angle is big ,the circulation is fine,rotates is swiftly,assembles conveniently.There are two types of this wafer check valve,spring type and without spring type.Without spring type only can be used in the stable working conditions.The valve can be used in the field that assembling space is limited,such as petrochemical industry,water supply system and metallurgy industry etc.
Material of constructionÂ
parts     description           Material   speficivation
1         hook               stainless steel                               AISI 316
2         body               stainless steel                               A351 CF8M
3         screw               stainless steel                                A351 CF8
4 � spring �stainless steel� SI 316
5 �stainless steel 351 CF8M
6 seat ring EPDM
7 O-ring � Perm
