Fabric Expansion Joint — The Expansion Joints Blog

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60 Inch Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas

June 7th, 2006 Comments off
60” Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas

60” Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas

60” Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas

60” Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas

U.S. Bellows, Inc. and PT&P combined to furnish a fabric expansion joint, duct work, a spring support cradle and snubbers. US Bellows furnished a fabric expansion joint with acid resisting fabric and also a duct work measuring 34’ long and 60” in diameter which was fabricated from ASTM A 516GR 70 carbon steel. PT&P furnished spring supports, carbon steel cradle supports, and snubbers. The expansion joint was completed within 6 weeks in time for a plant shutdown. A computerized pipe stress analysis, utilizing the Caesar II stress program, was performed to obtain the forces and moments imposed on the equipment nozzles and weights to be carried by the spring supports.

48 Multi-Layer High Temperature Rectangular Fabric Expansion Joints for a Gas Plant in Baytown, Texas

July 15th, 2005 Comments off
48 Multi-Layer High Temperature Rectangular Fabric Expansion Joints for a Gas Plant in Baytown, Texas

48 Multi-Layer High Temperature Rectangular Fabric Expansion Joints for a Gas Plant in Baytown, Texas

The rectangular fabric expansion joints consisted of two carbon and stainless steel frames separated by a high temperature Silica fabric. The frames measured 13” × 37” × 6”, 14½” × 20½” × 6” and 17¼” × 17¼” × 4” and weighed 90, 115, and 170 lb. Each expansion joint was designed for a 15” Water Column (W.C.) with a temperature of 750°F and allowed for movement ranging from ±½” to ±1” in both the axial and lateral directions.

78" x 39" Rectangular Fabric Expansion Joint for a Power Company in Texas

March 26th, 2004 Comments off
78" x 39" Rectangular Fabric Expansion Joint for a Power Company in Texas

78" x 39" Rectangular Fabric Expansion Joint for a Power Company in Texas

U.S. Bellows, Inc. custom designed and fabricated a 315 lb. 78 x 39 multi-layer fabric expansion joint for a power company in Texas.  This fabric expansion joint will be mounted inside a turbine enclosure and allows for a 15,000 cfm air flow through the enclosure. It is designed for 27 1/2 W.C. and 930°F with 0.27 axial and ± 0.12 lateral movements. The expansion joint is equipped with a stainless steel frame and a 6 thick insulated pillow which is enclosed in a stainless steel woven wire mesh.

5′ x 12′ Fabric Expansion Joint for a Power Plant in Tulsa, OK

June 6th, 2003 Comments off
5' x 12' Fabric Expansion Joint for a Power Plant in Tulsa, OK

5' x 12' Fabric Expansion Joint for a Power Plant in Tulsa, OK

U.S. Bellows, Inc. recently designed and manufactured a 5′ – 0″ x 12′ – 0″ fabric expansion joint for a hot air ducting system in a power plant in Tulsa, OK.  It is designed at 15″ W.C. and 600 °F for 3/4″ axial movement and 1/2″ lateral movement. The fabric belts are composed of three layers with the outer layer serving as a waterproof barrier.

Rectangular Fabric Expansion Joint for Coal Fired Power Plant in Puerto Rico

February 14th, 2003 Comments off
Rectangular Fabric Expansion Joint for Coal Fired Power Plant in Puerto Rico

Rectangular Fabric Expansion Joint for Coal Fired Power Plant in Puerto Rico

U.S. Bellows, Inc. designed and manufactured a 21′ x 14′ fabric expansion joint for a power plant in Puerto Rico. This expansion joint was designed at 1 PSIG and 1200°F for an air duct at the power plant. The frame is all A-240 and 304 stainless steel construction. This expansion joint is equipped with 6″ thick insulation pillows. Telescoping liners hold the insulation pillows between the liner and the fabric belt to reduce heat transfer and prevent ash accumulation.

Fabric Expansion Joints Up to 32' x 12' for a Power Station in New York

May 24th, 2002 Comments off

Fabric Expansion Joints Up to 32' x 12' for a Power Station in New York

Final Touches Being Made on Expansion Joint Prior to Shipping


Fabric Expansion Joints Up to 32' x 12' for a Power Station in New York

Fabric Expansion Joints Up to 32' x 12' for a Power Station in New York

U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., specially designed and manufactured fabric expansion joints reaching sizes up to 32′ x 12′ for a power station in New York. The largest of the expansion joints that are to support the air ducts of the power station, was designed at 32′ x 12′, while the others measured at 10′ x 12′. The expansion joints were fabricated with high temperature fabric belts and 4″ thick insulation pillows. The designing conditions were at 30″ WC and 950°F.

12' x 30' x 12" Face to Face, High Temperature, Fabric Expansion Joint for a Power Plant in New York

April 19th, 2002 Comments off
12'  x 30' x 12" Face to Face, High Temperature, Fabric Expansion Joint for a Power Plant in New York

12' x 30' x 12" Face to Face, High Temperature, Fabric Expansion Joint for a Power Plant in New York

U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., specially designed and fabricated a 12′  x 30′ x 12″ face to face, high temperature, fabric expansion joint. The expansion joint was fabricated with a 3-layered fabric belt, A516 Gr. 70 telescoping liners / frame and insulation pillows.  It was designed at 650°F and 30″ WC for 1/2″ compression and 1/4″ lateral.  This expansion joint will be installed in an exhaust system at a power plant in New York. EJMA standards, Fluid Sealing Association standards and B31.3 code were used in the design and fabrication of these joints.

48" Triple Layered Fabric Expansion Joints

October 19th, 2001 Comments off
48" Triple Layered Fabric Expansion Joints

48" Triple Layered Fabric Expansion Joints

U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., designed and fabricated two 48-inch, triple layered fabric expansion joints for a power plant in Columbia to be used in its exhaust system. The expansion joints were fabricated with three layers: outer, center and inner. The outer layers consisted of PTFE, 25% glass filled, coated fiberglass, center layers of ceramic fiberglass and the inner layers of aluminum coated fiberglass. These expansion joints were designed at a pressure of 27”of WC and a temperature of 700oF.

Rectangular Fabric Expansion Joint

November 20th, 2000 Comments off
Rectangular Fabric Expansion Joint

Rectangular Fabric Expansion Joint

The photograph above shows a rectangular fabric expansion joint in the final stages of assembly. The fabric “belt” is being attached to the metal frames. These expansion joints are inserted in metal ducts which carry hot gases at low pressures. Layers of different materials are selected to make a “belt” which will function at the high temperatures required.

Fabric Expansion Joint for Duct System

May 17th, 1999 Comments off
Fabric Expansion Joint for Duct System

Fabric Expansion Joint for Duct System

The photograph above shows a fabric expansion joint designed and built for installation in a duct system by Piping Technology & Products, Inc. These joints can be fabricated from a variety of metals, in a variety of shapes, depending on the particular application. They are used where ducts carry hot gases at low pressures. The fabric “belt” is a combination of layers of different materials selected to withstand the high temperatures.

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Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
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: Snubbers, Sway Struts & Sway Braces


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