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Douglas Electrical Components takes pride in its expertise in designing and manufacturing hermetic power feedthroughs, offering reliable sealing solutions for a wide range of vacuum and pressure applications. With a focus on motors, compressors, and chambers, Douglas has established itself as a trusted partner for industries requiring robust and leak-free electrical connections in demanding environments.

Hermetic Sealing Excellence: At Douglas, we understand the critical importance of maintaining hermetic integrity in vacuum and pressure systems. Our hermetic power feedthroughs are engineered and manufactured to deliver exceptional sealing performance, ensuring a reliable and durable connection. By employing cutting-edge hermetic epoxy and adhering to stringent quality standards, we offer solutions that can withstand the most challenging operating conditions.

Versatile Applications: Our hermetic power feedthroughs find application in various industries where vacuum and pressure sealing is vital. Whether it is in motors, compressors, or chambers, Douglas’ power feedthrough and motor terminal sealing solutions are designed to meet the unique requirements of each application. Our comprehensive product portfolio caters to diverse power and signal needs, making us the go-to choice for customers seeking reliable electrical connections in critical systems.

Motor Applications: Douglas’ hermetic motor terminals provide a secure electrical interface between the hermetically sealed chamber and the external environment while ensuring long-lasting performance. Whether it’s in high-speed motors, precision motors, or motors subjected to extreme conditions, our custom solutions enable efficient power transmission while maintaining a hermetic seal.

Compressor Applications: Compressors operate under high-pressure conditions, demanding airtight sealing solutions. Douglas’ hermetic power feedthroughs offer unparalleled reliability, ensuring that electrical connections remain impervious to pressure differentials. Our feedthroughs are engineered to withstand harsh environments, ensuring optimal compressor performance and minimizing downtime. With our expertise, we provide sealing solutions that meet the stringent requirements of various compressor applications.

Chamber Applications: In vacuum and pressure chambers, maintaining an airtight seal is crucial to prevent leakage and contamination. Douglas’ hermetic power feedthroughs provide dependable electrical connections to interface with the chamber walls, guaranteeing the integrity of the system. Our feedthroughs are designed to resist extreme temperatures, corrosive substances, and mechanical stresses, making them the ideal choice for a diverse range of chamber applications. Design hermetic plate assemblies that incorporate both power and signal capacities into a single process port.

Douglas Electrical Components is at the forefront of designing and manufacturing hermetic power feedthroughs that meet the stringent sealing requirements of vacuum and pressure applications. With a focus on motors, compressors, and chambers, our solutions offer exceptional reliability, durability, and performance. By partnering with Douglas, customers can confidently rely on our expertise and cutting-edge technology to achieve leak-free electrical connections in their critical systems.

Features

FEATURES
  • Use our standard StudSeal hermetic terminal seals or customize your design to meet electrical and environmental conditions
  • Design for power applications exceeding 1,000 amps and 15,000VAC
  • Operate in harsh and hazardous environments including temperatures from cryogenic to 200°C and pressures of 10,000 PSI
  • Design the exact mechanical interface from standard thread connections to custom flanges and plates
  • Standard brass and copper conductors with simple ring terminals; customize based on your needs
  • Epoxy insulation
ELECTRICAL CONNECTION TYPES
  • Threaded stud terminals (male and female)
  • Right-angle studs
  • Stud-to-wire
  • Busbar
  • Tubes
  • Pins
  • and more

Douglas can not only design your terminal seal with each of these type, but also combine them to have different types of conductors inside and outside the system, chamber, glovebox, motor, or compressor.

MARKET CAPABILITIES
  • ISO 9001:2015
  • ISO 14001:2015
  • UL984 Standard for Hermetic Refrigerant Motor Compressors
  • ITAR DDTC Registration

FAQ

What is a hermetic power feedthrough?

A hermetic power feedthrough is a device used to transfer power or signals through a sealed barrier, such as a vacuum or pressure vessel. It is designed to maintain a hermetic seal while allowing for the transfer of electrical power or signals.

What materials are used in StudSeal hermetic power feedthroughs?

Our hermetic power feedthroughs use some standard materials for power feedthroughs.

  • Conductors / Terminals: Copper or brass are standard
  • Housings: Aluminum and stainless steel are standard

Customization of material depends on the specific application and the requirements for temperature, pressure, and chemical resistance.

What industries use StudSeal hermetic power feedthroughs?

StudSeal hermetic power feedthroughs are used in a variety of industries, including aerospace, defense, industrial, glovebox, cryogenic, hazardous locations, medical, and semiconductor manufacturing.  They are also used in research and development applications, such as in vacuum chambers for testing and experimentation.

How are StudSeal hermetic power feedthroughs installed?

StudSeal hermetic power feedthroughs are typically installed by drilling a hole in the barrier and inserting the feedthrough. The feedthrough is then secured in place using a nut or other fastener. The installation process may vary depending on the specific application and the type of barrier being used.

Does Douglas Electrical Components offer wire or connector options for transmitting power?

Yes, Douglas can either combine our connectors or wires with stud-type feedthroughs or offer designs with connectors and/or wires. In some cases, we also design hybrid designs which incorporate power and signal as well as the ability to add optical fiber into the same feedthrough.

Image Library

Images
Motor high power terminal feedthroughs with NPT and copper studs work in compressors ranging in size from fractional horsepower to high-tonnage.

Motor High Power Terminal Seal

Motor high power terminal feedthroughs with NPT and copper studs work in compressors ranging in size from fractional horsepower to high-tonnage.

StudSeal radial O-ring compressor terminal seal

Radial O-ring Compressor Terminal Seal

Radial O-ring compressor feedthroughs reduce customer install time while utilizing a low cost molded housing.

StudSeal rectangular flange power feedthrough

StudSeal rectangular flange power feedthrough

Custom flange with integral hermetic terminals for power transmission.

Hermetic terminal seal in flange

Threaded and Tabbed Hermetic Terminal Seal

Threaded studs in custom housing.

StudSeal power feedthrough with right angle connections are available as well as threaded studs. High current studs of our hermetically sealed electrical connectors handle up to 1,000 amps to meet most of process power needs.

Right-angle StudSeal Power Feedthru

StudSeal power feedthrough with right angle connections are available as well as threaded studs. High current studs of our hermetically sealed electrical connectors handle up to 1,000 amps to meet most of process power needs.

Busbar power feedthrough assembly

Busbar power feedthrough assembly

Busbar hermetic power feedthrough assembly

Hermetic Terminal Seal with stud to wire assembly

Hermetic Terminal Seal with stud to wire assembly

Terminal to wire hermetic seal design with CF Flange.

Custom motor terminal seal

Hermetic Terminal to Wire side view

Customized hermetic motor terminal seal showing complete assembly

StudSeal customized feedthrough

StudSeal Customized Feedthrough

Customized hermetic terminal seal material and mechanical interface

PotCon power feedthrough assembly

PotCon Power Feedthrough Assembly

PotCon hermetic power feedthrough assembly. Hermetically seal cables directly into the bulkhead connector assembly.

StudSeal hermetic terminal seal with multiple studs

Custom Hermetic Terminal Seal

StudSeal hermetic terminal seal with multiple studs

StudSeal hermetic terminal seal plate assembly

Hermetic Terminal Plate Assembly

Customized hermetic terminal plate assembly

Combine power and signal feedthroughs into a single PortPlate design.

Power and Signal Hermetic Flange

Combine power and signal feedthroughs into a single PortPlate design.

Cryogenic Feedthrough

Cryogenic Power Feedthrough

Cryogenic Feedthrough design with three power feedthroughs integrated into a custom flange.

Customized hermetic terminal plate assembly

StudSeal Copper Terminal Plate

Customized hermetic terminal plate assembly

Quick connect electrical feedthrough for power

Quick connect electrical feedthrough for power

Quick connect electrical feedthrough for power

Related Documents

Documents & Downloads

StudSeal Hermetic Terminal Seals Datasheet

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Hermetic Feedthroughs For Magnetic Bearing Chiller Compressors

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Battery Sealing Strategies

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New Cryogenic Feedthrough Improves Ease-Of-Use

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ISO 9001:2015 Certificate

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ISO 14001:2015 Certificate

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UL984 Standard for Hermetic Refrigerant Motor Compressors

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