Gate Valves
Double Block & Bleed Ball Valve
Dual isolation seats with bleed port for safe maintenance.
- Size
- DN15-DN600 (1/2"-24")
- Pressure
- Class 150-2500 / PN16-PN420
- Temperature
- -46°C to +400°C
- Material
- WCB, LCC, CF8M, F51, F53
- Connection
- RF, RTJ, BW
- Standard
- API 6D, API 608
For an accurate proposal, include size, pressure class, material, end connection, medium, temperature, quantity and any project specification.
Product overview
Design intent and service scope
DBB valves provide two independent isolation seats with a bleed port between them. Allows safe maintenance and leak detection in critical applications.
Key design features
- Two independent seats
- Bleed port
- Fire-safe certified
- Anti-blowout stem
- Bi-directional
Technical data
Product specifications
| Size | DN15-DN600 (1/2"-24") |
|---|---|
| Pressure | Class 150-2500 / PN16-PN420 |
| Temperature | -46°C to +400°C |
| Material | WCB, LCC, CF8M, F51, F53 |
| Connection | RF, RTJ, BW |
| Standard | API 6D, API 608 |
| Body | A216 WCB / A351 CF8M |
| Ball | A182 F316 / F51 |
| Stem | A182 F316 |
| Seat | PTFE, PEEK, Metal |
| Actuator | Worm Gear, Electric, Pneumatic, Hydraulic |
Service fit
Typical applications
Referenced standards and requirements
Standards shown here are product design references, not a claim that every size, material or configuration is covered by a certificate. Confirm the applicable edition and approval scope during quotation.
Available project documentation
Project-specific submissions can include a data sheet, general arrangement drawing, bill of materials, inspection and test plan, material certificates and test records when specified and agreed in the order.
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