Double Block&Bleed Valve

DBB double Block&Bleed Valves Is A Double Valve With Two Sealing Pairs. When In The Closed Position, Both Sealing Pairs Can Maintain A Sealed State At The Same Time. The Valve Body In The Middle Chamber (Between The Two Sealing Pairs) Has An Interface For Releasing Medium Pressure. It Is Divided Into Two Series: A Welded Valve Body And A Three Piece Structure, With Dual Cut-Off And Discharge Functions. One Valve Body Has Two Spheres, And The Valve Chamber Between The Two Spheres Is Equipped With An External Discharge Valve (Needle Shaped Globe Valve). The Sealing Performance Is Reliable, Suitable For Situations Where Multiple Valves Are Connected In Series And Sealing Requirements Are Strict. We Can Provide Customized Solutions According To Customer Operating Conditions.