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Feedthroughs:
Power, Electrical Signal, Thermocouple
Custom Applications

LDS Vacuum Custom Feedthrough Order Form Here
Includes Maximum Wires/Wire Gauge

Specify wire type
Copper stranded
Copper Buss
Copper/constant
Chromel/alumel
Iron/constantan
Chromel/constantan

Specify Wire Gauge
Wire gauge (stocked)
Thermocouple: 24 gauge
Copper: 28 to 12 gauge

Specify Lengths (inches):
Length inside (vacuum)
Length outside (atmospheric)

Prior to shipment, ALL LDS Vacuum Feedthroughs are
Helium Leak Tested to 10-9 cc/second




NW (KF) Flange Feedthroughs
NPT Pipe Thread Feedthroughs
NW (KF) Flange Feedthroughs

NPT Pipe Thread Feedthroughs

UNF Facial "O" Ring Feedthrough
UNF Facial "O" Ring Feedthrough

Stock - Wire Feedthroughs

LDS Cable Pass-Thru Feedthroughs
LDS Cable Pass-Thru Feedthroughs

Vacuum Feedthroughs


Standard temperature range: -40oF to 200oF
Consult factory for quotations on feedthroughs outside this temperature range

Standard feedthroughs include NPT UNF/Facial "O" ring and ISO-KF stainless steel bodies utilizing our hermetic sealing system. This system does not rely on epoxy for sealing, but employs a swaged elastomer gland.

Solid or multistrand copper conductors are available in sizes from 28 to 12 gauge. Standard thermocouple wire calibrations are stocked in 24 gauge with others available on special order. Teflon installation is used unless otherwise specified. Up to 92 conductors are available in a single feedthrough, depending on fitting and wire sizes.

Download Feedthrough Order Form Here
Includes Maximum Wires/Wire Gauge

Specify wire type
Copper stranded
Copper Buss
Copper/constant
Chromel/alumel
Iron/constantan
Chromel/constantan

Specify Wire Gauge
Wire gauge (stocked)
Thermocouple: 24 gauge
Copper: 28 to 12 gauge

Specify Lengths (inches):
Length inside (vacuum)
Length outside (atmospheric)

Contact LDS with any questions:
Phone (407)862-4643 or via Fax (407)862-8723 or info@ldsvacuum.com

LDS Vacuum Products is a 100% woman owned company.
SERCOSEAL is a registered trademark of LDS Vacuum Products, Inc.
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.