We are proud distributors of Holz Rubber Company Inc.'s Expansion Joints.  We can supply you with standard and custom expansion joints that are designed for standard, maximum, and ultra-high movement scenarios.  The Holz Rubber Co.'s expansion joints have fully molded corners which eliminate corner failures and the need for costly gaskets or heavy duct work.  

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Piping Expansion Joints:

Series 300 Elastomer Piping Expansion Joint:

• ​Absorbs motion and displacement between pipe flanges perfect for high shock and vibration situations
• Recommended for temperatures up to 300°F; Viton® tube/ cover will reach 400°F
• Increased efficiency of piping systems by managing high range of temperatures and pressures
• Prevents pipe buckling or fracture
• Features steel body rings held in place with exclusive ring enveloper system
• Manages a high range of temperatures and pressures
• Available for all general applications including severe and harsh environments
• Engineered and built to specific customer requirements
• Can be designed for full vacuum service
• Available sizes: 1/2 to 108

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Series 320 Pressure Piping Expansion Joint:

• Recommended for high flow velocity and high abrasion conditions
• Increased strength, flexibility, and safety compared to traditional hand-built expansion joints
• Superior movement capabilities solve piping movement challenges without having to use long and expensive multi-arch products
• Available in a filled or double filled arch which eliminates flow turbulence and the collection of suspended solids
• Precise guidelines for pressure/vacuum capabilities at various temperatures
• Axial extensions, axial compression, lateral deflection, and angular movement
• Available sizes – 10 ID to 96” ID
• High pressure versions of the 320 (320HP, 320XHP, 320XHPMOD) are available for extreme pressure/full vacuum applications.
• A low pressure version of the 320 (320LP) is available as an economical alternative to the 320 for low pressure/limited vacuum applications.

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Series 320EZ Lightweight Piping Expansion Joint:

• Lowest spring rates in the industry: Ideal for FRP piping
• Excellent for compression, extension, lateral, angular deflection and torsional movements
• Recommended for temperatures up to 225°F for Buna-Nitrile and 300°F for EPDM
• Saves money and time by requiring a lighter anchoring system
• Light weight construction for easy handling and freight costs reduction (up to 50% less weight)
• Excellent pressure capacity for low, standard and most high pressure designs
• Reduces stress load with lower reaction force and springs rates
• Available in 1 1⁄2 ID through 20 ID

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Vibration Dampeners Expansion Joints:

• Ideal for installation on discharge and suction side of pumps where turbulence issues or full vacuum service
• Series VD1000 designed for 150 PSIG; Series VD2000 designed for 200 PSIG; Maximum temperature 250°F
• Reduces vibration and noise with non-metallic vibration dampeners in connecting pumps, compressors, and other operating equipment

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Molded PTFE Expansion Joints:

• Designed to compensate for movement and abate noise in severe corrosive environments
• Available in 2, 3, 4, or 5 convolutions in a wide variety of operating pressures and temperatures
• All Holz PTFE joints include built in control rod units with lock nuts to prevent excessive axial elongation

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Flue Duct Expansion Joints:

Standard Movement Flue Duct Expansion Joints:

• Designed for standard movements typical ducting movements and application
• Perfect for applications requiring maximum noise reduction, sound absorption, and vibration control
• Superior protection to duct systems, flanges, and equipment housings

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Maximum Movement Flue Duct Expansion Joints:

• Designed for maximum movement with superior axial and lateral movement capabilities without pre-compression or pre-extension
• Compound molded corners ensure that the reinforcing material is not pre-stressed at the time of installation
• Workhorse style designed for scrubber, precipitator, baghouse, and stack flue gas ducts
• Ideal for FRP piping

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Ultra-High Movement Flue Duct Expansion Joints:

• Designed for ultra-high movement applications
• Perfect for positive pressure clean air systems with ultra-high axial compression and extension
• Constructed with a large, high, “V” – shaped arch allowing for the industry’s highest axial movement while exerting very low forces on the duct work, duct flanges and equipment
• Flows designed for ducting and fan applications

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High Temperature Expansion Joints:

Rubber Chemical-Resistant Expansion Joints (Series 300LT):

• Designed for use in wet or dry service up to 300°F and 5 psig
• Manufactured from multiple elastomers and offered in either belt or flanged configurations with single or multiple layers of woven fabric or knitted wire
• Typical applications include baghouses, FD fans, wet or dry scrubbers and precipitators
• Designed to operate without a flowliner except in abrasive or high velocity flow scenarios
• Allows external insulation over the flex element if desired

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DuPont-Certified Viton® Expansion Joints (Series 400LT):

• Designed for use in wet or dry services up to 400°F and 5psig and to operate without a flowliner except in abrasive or high velocity flow scenarios
• Manufactured using Dupont-certified Viton® and offered in either belt or flanged configurations with reinforced single or multiple layers of woven fabric or knitted wire
• Additional FEP or PTFE gas barrier available to increase chemical resistance where ammonia slip is expected
• Typically used on air heater gas outlets, baghouses, precipitators, induced draft fans, wet or dry scrubbers, and stack breeching ducts
• Can experience excursion temperatures up to 750°F in the case of air heater failure for a short duration

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Fiberglass Reinforced PTFE Expansion Joints (Series 500T):

• Designed for use for wet or dry services up to 575°F and 5 psig
• Constructed from fiberglass reinforced PTFE with a zero porosity gas barrier of varying thickness ranging from 5mils to 30mils and mechanically bonded to the substrate
• Consists of the highest resin content in the industry
• Primarily used to provide the outer cover and gas seal for high temperature composites but also can be used in extreme chemical service as the primary flex element or inner gas seal
• Typical applications range from paper processing liquors to wet scrubbers
• Require a flow liner in most cases if used a single layer solution

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Multi-Layered Expansion Joints (Series 500HT-1000HT):

• Designed for high temperature air and gas applications up to 1000°F
• Constructed from multiple layers based on design temperature requirements utilizing components including gas barrier, insulation, woven fabric, and possibly knitted or woven wire mesh
• Typically manufactured for economizer outlets, SCR inlets, secondary air, and other hot flue gas applications
• Requires a flowliner and should not be externally insulated
• Outer cover can be constructed using several different materials including EPDM, Viton, PTFE, or metal alloys based on design conditions​

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HTG Extreme Temperature Expansion Joints (Series 1200):

• Specifically designed for gas turbine applications where temperatures are above 1000°F and heavy cycling, radial growth, and large movement is expected
• HTG joints are designed to provide long life, easy installation, low external temperature and reduce noise
• HTG joints are found on GT exhausts, HRSG inlets and other high temperature applications
• Designed for ducting and fan applications​

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Note: Website pricing is subject to change based on availability, customization, and market rates.  Quotes good for 30 days unless otherwise noted.  ​​​​