We are currently operating at a limited capacity due to our facility undergoing a physical inventory. Regular operations are expected to resume the week of December 4th. We thank you for your understanding and patience through this period.
Click to enlarge

Bell Jars

12 Inch OD, 18 Inch OD & 24 Inch OD Bell Jar Vacuum Chambers

Bell Jars are designed to form and contain a vacuum within a vacuum system. NorCal Products, Inc. dba Pfeiffer Vacuum Valves & Engineering has a full supply of Bell Jars manufactured to ISO 9001:2015 certified standards. Our Bell Jars are supplied with a single dovetail grooved base flange which can mate to a PV V&E feedthrough collar and baseplate in or with your existing vacuum systems. A 4" ID glass viewport, as well as a lifting lug are included with every bell jar. Standard Bell Jars are constructed from 304 stainless steel and feature a glass bead finish. Vacuum Bell Jars are available in multiple diameters and sizes depending on your application requirements.

Browse our selection of Bell Jars below to obtain a quote, or please contact us for your vacuum component needs.

Bell Jars Features

  • 304 stainless material
  • Available in 12", 18" and 24" diameters
  • Glass Bead or Electropolish Finish
  • Includes one FKM O-ring

Bell Jar Features

Stainless steel Bell Jars are designed to withstand the pressure of vacuum systems. The composition of these Bell Jars provides corrosion resistance. Additional features of PV V&E Bell Jars include:
  • 304 stainless material
  • Available in 12", 18" and 24" diameters
  • Glass Bead or Electropolish Finish
  • Includes one FKM O-ring

304 Stainless Steel Bell Jar Applications

Bell Jars are ideal for containing air and other materials that are removed by suction. Semiconductor, thin-film deposition, and compound semiconductor processing are common applications for our high-vacuum, O-ring sealed chambers operating at pressures down to 1x10-9 Torr. Please consult our Product Managers for exact capabilities, as Specific use cases vary by industry and the size of your vacuum system. Frequent applications, including:
  • Laboratory Coating Units
  • Degassing Silicones & Epoxies
  • Freeze Drying
  • Stabilizing Wood

Bell Jar Customization Options

While standard Bell Jar options are available in 12", 18" and 24" diameters, our elite team of designers and engineers is dedicated to producing the highest quality, ISO 9001:2015-Certified Bell Jars to in sizes that meet your application requirements. Pfeiffer Vacuum Valves & Engineering can fabricate vacuum chambers in a wide range of shapes and sizes with doors, stands, water jackets, and Mumetal shields. Our CNC machining and tube bending capabilities allow us to form close tolerances and manufacture custom components to your specifications. We can provide vacuum-fired 316L stainless steel, electropolishing and metal seals recommended for ultra-high vacuum surface science chambers that operate at pressures in the 1x10-11 Torr range.

Related 304 Stainless Steel Vacuum Components

We offer a complete line of vacuum accessories, including load locks, sample transfer and positioning devices, liquid and electrical feedthroughs, viewports, and roughing components. Similar products to Bell Jars include:

Advantages of PV V&E Bell Jars

We start with select grade 304 stainless steel to produce the highest-grade, corrosion-resistant Bell Jars. We can manufacture Bell Jars to fulfill Ultra-Clean (UCV) components. We supply single chambers designed from customer specifications for university or national laboratory research projects and production quantity chambers that are built-to-print for equipment manufacturers. PV V&E's manufacturing capabilities include electropolishing and cleanroom assembly and packaging services. Our additional strong in-house capabilities support the quality of our components and services in various areas, including Engineering, Logistics, and Quality Assurance.

Contact Us for Standard and Customized Bell Jars

Request a custom quote or contact us online and let us find or customize the right bell jar to meet your needs!

This website uses cookies and similar technologies. By accepting, you are agreeing to our Privacy Policy and Terms of Service, including our Cookie Policy.