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Quick Details

  • Material: S.S.304/316/321, AM350 or Hastelloy C
  • Technics: Forged
  • Type: Coupling,Flange,Weld
  • Place of Origin: Henan, China (Mainland)
  • Model Number: bellows
  • Brand Name: Liwei
  • Connection: Flange
  • Shape: Equal
  • Head Code: Round
  • Name: stainless steel small vacuum bellows
  • Temperature range: -196-450 °C
  • Size: DN10-DN350
  • Leakage rate: 5*10-10 pa.m3/sec
  • Wall thickness: 0.2-0.3mm
  • Working pressure: Max.2kgf/cm2- ultra vacuum
  • Service life: 10-10 thousands
  • Application: Crystal growing furnance
  • Whether custom: Yes

Packaging & Delivery

Packaging Details Small vacuum bellows package is wooden case and carton box, in the carton box, we will use flexible foam box to prevent damage.
Delivery Time Shipped in 10 days after payment


Product Description

Stainless steel small vacuum bellows are suitable for all kinds of high vacuum and ultra high vacuum pipe, absorbing pipeline defluxion by the flexible bellow, can also reduce the vibration when connecting with vacuum pump.



Stainless steel small vacuum bellows specification:


Material:  SUS 316L or AM350 or Hastelloy C

Working pressure: Max.2kgf/cm2- ultra vacuum

Leakage rate: 1.33×10-10Pa.m3/sec

Wall thickness:0.2-0.3mm



Temperature range:-251-450 °C

Service life:10-10 thousands

Connecting: welding





Packaging & Shipping

 Small vacuum bellows package is wooden case and carton box, in the carton box, we will use flexible foam box to prevent damage.



Company Information

 Henan Liwei Industry Co.,Ltd advantages

1) We have 20 years manufacturing experience

2) We have ASME welding certificate to make welding quality very good

3) Stainless steel surface treatment is acid pickling

4) Strict quality controlling system, we will supply material certificate, test report certificate

5) The largest painting thickness is 300 micron

6) We also have ISO9001, ISO14001, SGS, ASME E certificate

7) one year quality warranty

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China (Mainland) | Manufacturer, Trading Company
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