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Pressure and Vacuum Feedthroughs

Series PSF and MSF- Split Feedthroughs for single and multiple elements

Series PSF (single element) and MSF (multiple elements) feedthroughs are similar to series MF feedthroughs, but have split internal components.

This permits elements, that have a larger diameter section other than at the sealing point and can pass through the feedthrough body but not through the internal components, to be installed easily. Examples are probes with fitted connectors and sensors with pot seals or bulbs.

There are three body sizes having 1/4”, 1/2” and 3/4” NPT process connections. Other process threads are also available, see back cover.

Spectite® feedthroughs are designed for ease of assembly and installation. Elements can be adjusted, removed and replaced when not under pressure or vacuum conditions.
  • Individual elements can be replaced without complete disassembly
  • Internal components – follower, sealant and seat are split to allow easy installation of elements with fitted connectors or large diameter sections.
  • Designed to carry single elements 0.040” to 0.5” diameter and multiple elements from 0.040” to 0.250” diameter
  • Pressure range: Vacuum to 10,000 psi *
  • Temperature range: -328°F to +1,600°F *
  • Stainless steel body (316L), internal metal components and cap
  • Choice of sealant materials
  • Immersion length of each element easily adjusted
  • Reusable fitting – internal components replaceable
  • A large range of feedthroughs is available to buy online

    * Dependent on sealant and fitting selected

Enquiry Form

1. Feedthrough Type


2. Thread Size Required


  see table

3. Element diameter


 see table

4. No. of Elements (MSF only)



5. Sealant Type


 see table

4. Quantity Required


Contact Details


Company Name


Your Name


Email


Telephone


Additional Information


If your enquiry is for more than one style of sensor, please email us with your requirements or use the box below



Send Enquiry