| Parameter | Specification |
|---|---|
| Valve Type | Bellows Sealed Needle Valve |
| Material | Stainless Steel 316 |
| Pressure Rating | 1000 PSI |
| Connection Size | OD 1/2″ |
| Connection Type | Tube / Instrumentation Fitting |
| Sealing Type | Metal Bellows Seal |
| Operating Media | Gas, Vacuum, Clean Fluids |
| Temperature Range | Customizable upon request |
Stainless Steel Bellows Sealed Needle Valves
The 1000 PSI Stainless Steel Bellows Sealed Needle Valves is designed for precise flow control in vacuum and high-purity pressure systems. Featuring a metal bellows seal structure, this valve completely isolates the process media from the external environment, ensuring zero stem leakage and long-term operational safety. Manufactured from high-grade 316 stainless steel, it offers excellent corrosion resistance and mechanical strength, making it ideal for vacuum applications, gas control systems, analytical instruments, and semiconductor or laboratory environments.
Key Features
- Bellows Sealed Design
Fully welded metal bellows eliminate stem leakage and ensure reliable sealing under vacuum and pressure conditions. - High Pressure Rating
Rated up to 1000 PSI (≈69 bar), suitable for both vacuum and medium-pressure systems. - 316 Stainless Steel Construction
Superior resistance to corrosion, oxidation, and chemical attack. - Precision Needle Control
Fine-thread stem provides accurate flow regulation and smooth operation. - OD 1/2″ Tube Connection
Compatible with standard instrumentation tubing for easy installation. - Vacuum & High-Purity Compatible
Ideal for clean gas, inert gas, and vacuum service applications.
Typical Applications
- Vacuum systems and chambers
- Gas sampling and analysis systems
- Semiconductor and electronics manufacturing
- Laboratory and research equipment
- Chemical processing instrumentation
- High-purity gas distribution systems











