Britval
TMBV — API 6D
Trunnion-Mounted Ball Valve
| Standard | API 6D |
| Feature | Double block & bleed |
| Fire safe | API 6FA · API 607 · ISO 10497 |
Oil & gasDetails
Single-, two- and three-piece floating ball valves. Line pressure pushes the ball onto the downstream seat for bubble-tight sealing, with a blowout-proof side-entry stem.
Indicative technical data. Final selection follows a duty-point review against curves, media analysis and site conditions — send us the operating point and we will confirm the exact model, materials and trim.
| Construction | 1 / 2 / 3-piece floating |
| Ball | Mirror-finished solid SS |
| Stem | Blowout-proof, Belleville-loaded |
| Mounting | ISO 5211 actuator flange |
| Ends | Flanged · screwed · butt-weld |
Supplied and commissioned for refining duty.
Supplied and commissioned for chemical duty.
Supplied and commissioned for water duty.
Supplied and commissioned for power duty.
Every item is supplied through the manufacturer's official channel. That is what makes traceable documentation, correct material certificates and long-term spare-part availability possible — and it is the difference between a genuine part and a convincing one.
| Sourcing | Authorised OEM channel, factory direct |
| Documentation | Test and material certificates on request (EN 10204 3.1 where applicable) |
| Selection | Duty-point review by qualified engineers before quotation |
| Installation | Installation, flushing and commissioning by trained technicians |
| Warranty | Backed manufacturer warranty with local after-sales support |
| Spares | Fast-moving items held locally; parts sourced against serial number |
| Standard | API 6D |
| Feature | Double block & bleed |
| Fire safe | API 6FA · API 607 · ISO 10497 |
| Body materials | WCB · CF8 · CF8M · CF3 · Duplex |
| Wall thickness | ANSI B16.34 |
| Testing | API 598 — 100 % of valves |
| Standard | API 602 · BS 5352 |
| Bore | RB · FB · SP |
| Size range | ½″ – 2″ |
| Size range | 2″ – 54″ |
| Rating | Class 150 · PN 10 |
| Design | MSS SP-81 · ANSI B16.34 |
Send the duty, the medium and the site conditions. Our engineering team answers with a value-engineered proposal, not a catalogue.
Required fields are marked. We answer within one business day.