Dual Ferrule Tiankang Hongji Screwed Bonnet Needle Valves deliver precise flow control with secure dual-ferrule connections. Designed for leak-proof performance in demanding environments, they offer reliability and easy installation. Ideal for instrumentation and process systems needing tight shutoff and dependable pressure rating.
Overview
The Hongji screwed bonnet needle valves are types of valves used for precise flow control of liquids or gases in a system. It is designed with a long, tapered needle-like plunger that fits into a similarly shaped seat. The valve’s construction allows for very fine adjustments to the flow, making it ideal for applications where precise control is needed.
Technical Specifications
| Type | Needle Valve with Ferrule Connection | Net Weight | 0.54kg |
| Body material | SS316; SS316L; SS304,Alloy | Manufacturing Capacity | 4000 pics/Month |
| Type of Connection | Double Ferrule | Warranty | 1 year |
| Seal Type | Hard Sealing | Manufacturing | Forging and CNC |
| Packing | PTFE/ Graphite | Pressure Range | 6000Psi – 10000Psi(414 Bar – 690 Bar) |
| Media | Liquid, Gas, Steam, Oil | Prot Size | 1/2″ Tube fittng |
| Graphite | -65 °F to 1200 °F (-54 °C to 649 °C) | PTFE | -65 °F to 450 °F (-54 °C to 232 °C) |
Applications
•Flow Regulation: screwed bonnet needle valves union weld type used in systems where the flow needs to be controlled very precisely, such as in gas or liquid pipelines.
•Testing and Calibration: Frequently used in instrumentation, laboratories, and process control applications to calibrate equipment and regulate test fluids.
•Gas and Liquid Distribution: Tiankang Hongji Needle valves are common in gas and liquid distribution systems, including those in pharmaceuticals, food and beverage, and oil and gas industries.
•Pressure Control: Often used for controlling the pressure and flow of sensitive or hazardous fluids in applications like fuel systems, high-pressure systems, or critical fluid handling systems.

Factory Photos

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Customization & Technical Support
• E-Mail: overseasales@tiankang.com
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