Model DX Check Valve
The product is designed and manufactured according to API Spec 6A "Equipment Specification of Wellhead & X'mas tree" and matched and interchangeable with any equipment which conforms to API 6A specification. Valve body is machined of alloy steel forging with a stronger machinery properties and reliable performance. The sealing face between valve core and valve body is welded with hard alloy with good abrasion resistance and anti-scour; the valve core is made of sulfide-resistance steel and the others adopt the process of hardness limit so the valve is able to be used in H2S condition.