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Conductive Elastomer Waveguide Gaskets

Parker Chomerics offers a selection of EMI gasket materials that provide effective EMI shielding and pressure sealing for choke, cover and contact flanges. Parker Chomerics waveguide gaskets ensure low inserti on loss, low flange leakage, maximum heat transferand minimum out gassing. Made from CHOSEAL 1239 and 1212 conductive elastomers, the gaskets are reusable and will not scar flanges.

Parker Chomerics offers a selection of EMI gasket materials that provide effective EMI shielding and pressure sealing for choke, cover and contact flanges. Parker Chomerics waveguide gaskets ensure low insertion loss, low flange leakage, maximum heat transfer and minimum out gassing. Made from CHOSEAL 1239 and 1212 conductive elastomers, the gaskets are reusable and will not scar flanges.

Cover flange and flat contact flange gaskets are die-cut from silver-plated copper filled silicone CHO-SEAL 1239 sheet stock 0.027 in. (0.69 mm) thick, ±0.005 in. (0.13 mm). Containing an expanded metal reinforcement to eliminate cold flow, these gaskets can be supplied with a slightly raised lip around the iris opening for high-pressure, high-power
applications.

Choke flange and grooved contact flange gaskets are molded from CHO-SEAL 1212 silver-filled silicone elastomer material, and are available with O- or D-cross sections. Properties of CHO-SEAL 1212 and 1239 materials are shown in Table 1. For applications in outdoor environmnets, contact Parker Chomerics Applications Engineering to discuss other materials, e.g., CHO-SEAL 1285 or 6502.

STANDARD WAVEGUIDE GASKETS

The gaskets listed in the following tables will fit the standard UG, CPR, and CMR flanges shown. The number 1 through 6 listed in the “gasket configuration” column f the tables indicate the style of gasket, as follows:

1 – Die-Cut rectangular

2 – Die-Cut circular

3 – Molded rectangular, with “O” cross section

4 – Molded circular, with “O” cross section (O-rings)

5 – Molded circular, with “D” cross section (D-rings)

6 – Molded rectangular, with “D” cross section

Gaskets can also be custom designed to meet special requirements or less frequently used waveguide sizes (from WR 10 to WR 2300) and double-ridged waveguide.

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ORDERING PROCEDURE

For standard gaskets, select the part number from Tables 2-8. For custom configurations, gasket and waveguide flange drawings must be provided, and part numbers will be assigned by Parker Chomerics.

Refer to Tables 3-8 on the following pages for Waveguide Gasket dimensions.

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Download the Warranty

This warranty comprises the sole and entire warranty pertaining to items provided hereunder. seller makes no other warranty, guarantee, or representation of any kind whatsoever. All other warranties, including but not limited to, merchant ability and fitness for purpose, whether expressed, implied, or arising by operation of law, trade usage, or course of dealing are hereby disclaimed. Notwithstanding the foregoing, there are no warranties whatsoever on items built or acquired wholly or partially, to buyer’s designs or specifications. Limitation of remedy: Seller’s Liability arising from or in any way connected with the items sold or this contract shall be limited exclusively to repair or replacement of the items sold or refund of the purchase price paid by buyer, at seller’s sole option. In no event shall seller be liable for any incidental, consequential or special damages of any kind or nature whatsoever, including but not limited to lost profits arising from or in any way connected with this agreement or items sold hereunder, whether alleged to arise from breach of contract, expressed or implied warranty, or in tort, including without limitation, negligence, failure to warn or strict liability.

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