Double Block & Bleed Ball Valve
DBB design with two independent seating surfaces and a bleed valve for positive isolation and cavity venting in critical services.
Technical Specifications
| Type | Double Block & Bleed (DBB / DIB) |
| Size Range | 1/2" to 24" (15 mm to 600 mm) |
| Body Materials | Carbon Steel (WCB), SS316, Duplex, Super Duplex |
| Ball Material | SS316 / Inconel Overlay / Stellite |
| Seat Material | PTFE, RPTFE, Metal Seated |
| Stem Design | Blow-out proof, anti-static, fire-safe |
| End Connections | Flanged, Butt Weld |
| Pressure Rating | Class 150 / 300 / 600 / 900 / 1500 |
| Standards | API 6D, API 6FA, ISO 14313, ASME B16.34 |
Applications
Oil & gas pipelines, metering skids, chemical plants, offshore
Frequently Asked Questions
About Double Block & Bleed Ball Valve — ordering, specs, delivery & compliance
What standards does the Double Block & Bleed Ball Valve comply with?+
Our Double Block & Bleed Ball Valve complies with API 6D, API 6FA, ISO 14313, ASME B16.34. All products are manufactured to international standards and come with full material test reports (MTR), dimensional inspection reports, and hydrostatic test certificates on request.
What materials are available for the Double Block & Bleed Ball Valve?+
The Double Block & Bleed Ball Valve is available in Carbon Steel (WCB), SS316, Duplex, Super Duplex. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.
What is the delivery lead time for Double Block & Bleed Ball Valve?+
Standard stock sizes are available for immediate dispatch from our Vadodara warehouse. Custom sizes and special materials typically have a lead time of 2–6 weeks depending on specifications. We serve customers across India within 1–7 business days and export to the Middle East, Southeast Asia, Europe, and the Americas with full export documentation.
Can I get a custom Double Block & Bleed Ball Valve for a specific application?+
Yes. Vajra Industrial Solutions supplies custom-engineered ball valves for specific process conditions. Submit your technical requirements — including pressure class, temperature range, fluid type, end connections, and any special trim or coating needs — via our RFQ form or WhatsApp, and our engineering team will respond within 24 hours.
What pressure ratings are available for the Double Block & Bleed Ball Valve?+
The Double Block & Bleed Ball Valve is available in pressure ratings of Class 150 / 300 / 600 / 900 / 1500. Higher-pressure classes are available for critical service applications in oil & gas, power generation, and chemical processing.
How do I request a quote for the Double Block & Bleed Ball Valve?+
You can request a quote by clicking the "Request Quote" button on this page, filling out our RFQ form at vajravyuh.com/rfq, emailing us at sales@vajravyuh.com, or WhatsApping us directly at +91-9979774557. Please include quantity, size, pressure class, material grade, and end-connection type for the fastest response.
Need a Quote for Double Block & Bleed Ball Valve?
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