75 YEARS
OF PRECISION INDUSTRIAL ELASTOMERIC MANUFACTURING
Holz Rubber Company is
unique in its ability to provide
a full range of manufacturing
services and a broad selection
of elastomers. With in-plant
capabilities that range from
compound development and
the design and machining of
production tooling, to curing
and strict quality control, Holz
can assure you of unsurpassed quality product because we
control every facet of the
manufacturing process.
United States and Canada
Phone: 800-285-1600
Fax: 800-756-9998
Outside of United States
Phone: 209-368-7171
Fax: 209-368-3246
© Copyright 2010 Holz Rubber Company, Inc.
Holz Rubber Company offers a
wide variety of Flue Duct Expansion Joints, depending upon your
specific application requirements.

Expansion Joints for
Ducting Systems

942 U-Design (for standard movements)
Designed specifically for typical ducting movements and applications
requiring standard movement, maximum noise reduction, vibration, and
sound absorption. 

942 U-Design offers superior protection to duct systems, flanges and
equipment housing.
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product information
945 W-Design (for maximum movements)
Style 945 W-Design Expansion Joint is the "workhorse" of the Holz  styles. 

Designed especially for scrubber, precipitator, baghouse and stack hot air or flue gas ducts, the Style 945 offers superior axial and lateral movement capabilities without pre-compression or pre-extension.  The compound curve molded corners ensure that the reinforcing material is not pre-stressed at the neutral installed face dimension.
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952 Arch-Design (for ultra high movement applications)
Designed for ultra-high movement in short face-to face applications. 

Primarily for positive pressure clean systems having ultra-high axial compression and extension movement.

Constructed with a large, high, "V"-shaped arch allowing very high axial movement while exerting very low forces on the ductwork, duct flanges
and equipment.
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product information
501-HT Belt or Flanged Design (insulated for constant operating temperatures)
Designed for applications with constant operating temperatures above
400°F to 2000°F.


A TFE/glass heat-sealed gas and chemical barrier provide a completely
gas-tight, leak proof construction.

The composite-type, multi-layered construction consists of a fluoropolymer/ glass outer cover, fabric retainer plies, insulation thermal barrier, TFE/glass gas and chemical barrier, and a fiberglass and/or ceramic protective inner layer mechanically locked to the protective outer cover.
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product information
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Petro & Power | Severe Duty | Molded PTFE | 300 | 320 | 320EZ | 320M | 530 | 980 | SF1000 | VD1000 | Duct Joints