Sell API6a Check Valve

详情

• It creates the metal-to-metal seal by the pressureof the medium, the more the pressure is, the better thesealing effect is. Anytime the valve chamber can bearthe pressure of the pipeline.
• Valve body is machined of alloy steel forging with astronger machinery properties and reliable performance.
• Bonnet is connected with valve body with bolt, theseals include the sealing ring in the bonnet and the sealin the valve body;
• The sealing face between valve core and valve bodyis welded with hard alloy with good abrasion resistanceand anti-scour; the valve core is made of sulfide-resistance steel and the others adopt the process of hard-ness limit so the valve is able to be used in H2S condition.
• The sealing-face of the valve core and the valvebody is bead-welded with carbide, plus rubber seals,which has.