We supply vacuun metal bellows can be used in Semiconductor Industry. 

Mostly make according to customer's specific demand and design for special request.

Vacuum welded metal bellows for semiconductor and solar equipment valves, such as SMC-Japan, MKS-USA, VAT-Switzerland, MDC-Germany.

Applications: To achieve high vacuum
                             To achieve mechanical movement
                             To absorb shock
Semiconductor, Aero-space, Weapon Technology, Precision Measurement, Accelerator, High vacuum, semiconductor industry, solar energy photovoltaic industry, medical equipments, synchronized radiation accelerator industry


For mechanical seals, Isolation valves, Linear motion heavy duty, pneumatic, multi-motion wobble stick, pincer, etc.









1. Apply Hardened Stainless Steel,Hastelloy C,316L,Inconel 718 for Bellows.
2. Fit for the requirement of High Speed,High Temperature,High Pressure.
3.Welded metal bellows inner some degree, which can reduce stress.
4. Mechanical seal performance is stable and reliable.

Specification:
1,Outer diameter:Customized
2,Inner diameter:  Customized 
3,Material: Vacuum SUS 316L,SUS 304,AM350,Hastelloy alloy C Haynes alloy 242,Inconel 625 and 718 alloy, titanium 
4,Compression: 70%
5,Extended rate:5% 
6,Vacuum Leak rage: 1×10-13Pa·m3/s
7,Life Time: >100,000 Cycles
8,Welcome customized.
9, Operating Direction: Vertical or Horizontal