products
Forged DBB Ball Valve
LNG Cryogenic DBB Ball Valve
Features & Benefits
1. Floating or trunnion mounted ball valves in main bore, each valve is bi-directional and designed for full differential pressure at ambient and low temperature. For main bore valve general features see the ball valve sections (floating ball or trunnion ball).
2. Full die forged structure for all pressure containing parts.
3. Integral body comprising of two ball valves through main bore with a needle bleed valve from the cavity between the two ball valves. Housing design can be split body or end entry (end entry cannot be feasible for all range).
4. Standard primary gasket design is Lip-Seal type, secondary emergency seal always provided for fire-safe purpose.
5. High quality sealing products and reduced leakage points.
6. Improved safety in operations, space and weight.
Double Electric Operator Forged DBB Ball Valve
Features & Benefits
1. Initial and installation cost savings owing to reduced structural requirements of design that saves both space and weight.
2. Increased system reliability from single valve with bleed port between two valves.
3. Improved plant and personnel safety due to anti-blowout stem, fire-safe construction and anti-static design.
DBB Double Block And Bleed Ball Valve
Features & Benefits
1. Structure : 2 pieces or 3 pieces body
2. High shut-off sealing mechanism and low torque operation
3. Block and bleed function
4. Self-cavity pressure relief
5. Fire safe design
6. Blow out proof stem construction
7. Anti-static design
9. Locking device (for lever handle operation)