The Tiankang Hongji Wafer Type Needle Valve (DBB) is a compact double block and bleed solution designed for precise flow control, pressure isolation, and safe venting in gas and liquid process systems. Its wafer-style slim body and lightweight flange structure allow easy installation in tight spaces while ensuring excellent sealing and reliable performance under high-pressure or corrosive conditions. With integrated block, isolate, and bleed functions, this valve is ideal for natural gas transmission, chemical and petrochemical applications, instrumentation protection, and other industrial systems requiring accurate control and space-efficient pressure management.
Overview
The Tiankang Hongji Wafer Type Needle Valve (DBB) is a compact double block and bleed valve designed for precise flow control and reliable pressure isolation. Its wafer-style lightweight structure enables easy installation and strong sealing performance, even in high-pressure or corrosive environments. Ideal for natural gas transmission, chemical and petrochemical systems, and instrumentation applications requiring accurate control and space-efficient pressure management.
Technical Specifications
| Type | Wafer Type |
Net Weight | 2.8kg |
| Body material | SS316; SS316L; SS304,Alloy | Manufacturing Capacity | 4000 pics/Month |
| Type of Connection | Flange | Warranty | 1 year |
| Seal Type | Hard Sealing | Manufacturing | Forging and CNC |
| Packing | PTFE/ Graphite | Pressure Range | 6000Psi – 10000Psi(414 Bar – 690 Bar) |
| Graphite | -65 °F to 1200 °F (-54 °C to 649 °C) | PTFE | -65 °F to 450 °F (-54 °C to 232 °C) |
Applications
Factory Photos


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Customization & Technical Support
• E-Mail: overseasales@tiankang.com
Sales Support:
• E-Mail: sales06@tiankanginternational.com
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Email : overseasales@tiankang.com
Email : sales03@tiankanginternational.com
Email : sales07@tiankanginternational.com
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Copyright @ 2025 ANHUI TIANKANG (GROUP) SHARES CO.,LTD. All Rights Reserved.
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