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Pressure rating: 300LBSeal type: the metal seal ( seal )
Body material: TA2
Body material: TA2+ WC coating
Seat material: STL TA2+ surfacing
Main material: F304, F304H, optional F304L; F316, F316L; F51, F53, F55; F904L;
Inconel Monel alloy 600, 750; 400, 500; Hastelloy alloy; titanium; pure nickel.
Design standards: API6D, API600 etc.
Test standard: API598
Main components and their materials:
No. Name Material
1 Body /bonnet QY500-7
GGG50with internal and external epoxy resin coating
2 Wedge GGG50with NBR
3 Stem Stainless steel
4 Stem nut,bushing D2
5 Washer ,O-Ring NBR
