The materials are well selected and conform to relevant international standards, and the overall quality of materials is high.
Seal pair of advanced and reasonable, disc and seat sealing surface using iron base alloy or department too vertical (Stellite) cobalt-based hard alloy welding surface, wear-resisting, high temperature resistance, good corrosion resistance, abrasion resistance, long service life. All kinds of piping flange standard and flange seal type can be used to meet all kinds of engineering needs and user requirements.
The valve body material is complete, and the gasket can be selected according to the actual working conditions or users' requirements, which can be applied to all kinds of pressure, temperature and medium working conditions.
It can be designed and manufactured according to the user's requirement to make the check valve of different structure form and connection form, and it is used for all kinds of equipment.
Design and manufacture as API600,ANSI B16.34
Fane to face dimensions as ANSI B16.10 End
flange dimenision as ANSI B16.5
Pressure-temperature rating as ANSI B16.34
Pressure test as API 598
|Test Item||Shell Test||Seal Test||Back Seal Test||Air Seal Test|
|Arm Pin||A182 F6||A182 F304||A182 F316||A182 F304L||A182 F316L|