Refining&Petrochemical Valves

Bolt Bonnet Gate Valve

Products design features 1. Both design and manufacture are carried out strictly following GB/T 12234, API600 and API602. The products feature a reasonable structure, reliable seal, good performance and nice modeling. 2. Co hard alloy welded sealing surface, which is wearing resistant, erosion proof, abrasion proof and long-lived. 3. The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant. 4. PN≥15.0MPa (Class 900), ...

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