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14 Single Reinforced Metal Expansion Joints for a Construction Company in Israel

November 30th, 2005 Comments off
14 Single Reinforced Metal Expansion Joints for a Construction Company in Israel

14 Single Reinforced Metal Expansion Joints for a Construction Company in Israel

These single reinforced expansion joints with equalizing rings are used in heat exchangers. The bellows are fabricated from ASTM B 443 Inconel 625 LCF. The weld ends and the reinforcing rings/root rings are carbon steel. The expansion joints are 52” and 57” diameter with an overall length of 15 ½” and 16 ½”. They are capable of moving 0.6” in extension at 158 PSIG at 300°F. The expansion joints were fabricated to ASME Section VIII. The bellows and pipe longitudinal weld seams were 100% X-Rayed. In addition, the expansion joints were 100% dye-penetrate examined and hydrotested to 205 PSIG for quality and performance assurance.

4 Convolution Expansion Joints for an Oil Company in India

October 19th, 2005 Comments off
4 Convolution Expansion Joints for an Oil Company in India

4 Convolution Expansion Joints for an Oil Company in India

The high pressure expansion joint above is a single four convolution SB-443 INCO 625LCF bellow with 3 equalizing rings, 2 neck bands, 1 internal liner and 2 weld ends all fabricated from SA-240 type 347 stainless steel. The equalizing rings enable the joint to withstand a maximum allowable pressure of 1,170 psig at 815°F. The equalizing rings allow the use of a thinner more compact and flexible bellow thereby saving space and increasing the expansion joint cycle life. This expansion joint is 14.25″ long with a calculated cycle life of 772 cycles.

Single Tied Expansion Joints for an Oil Refinery in Bakersfield, California

August 12th, 2005 Comments off
Single Tied Expansion Joints for an Oil Refinery in Bakersfield, California

Single Tied Expansion Joints for an Oil Refinery in Bakersfield, California

This single tied expansion joint was designed to withstand 400 PSIG and 200°F. The bellow was manufactured using B443 material (Inconel® 625) with a 300 lb. carbon steel flange. It measures 8” x 16” with 3/16” lateral movement. Pressure testing and 100% dye-penetrant tests were performed to ensure quality.

Immediate Refurbishment of a 3" O.A.L Single Bellow with Flanges for a Marine Vessel in Texas

April 23rd, 2004 Comments off
Immediate Refurbishment of a 3" O.A.L Single Bellow with Flanges for a Marine Vessel in Texas

Replacement Bellows

Immediate Refurbishment of a 3" O.A.L Single Bellow with Flanges for a Marine Vessel in Texas

Failed Bellows

U.S. Bellows, Inc. recently refurbished a 3″ O.A.L. single bellow with flanges for a marine vessel in Texas. Within a two day span, the replacement bellow was fabricated, welded to the existing 5/8″ flanges, and shipped to the marine vessel to resume operation. The replacement bellow, fabricated from 321 stainless steel, is designed for 150 PSIG and 800° F with 0.66″ of axial movement. To ensure quality, a 100% dye-penetrant test and a soap leak test were performed prior to delivery.

Three-day Emergency Fabrication of a 40" I.D., Clamshell Expansion Joint for a Chemical Plant in Texas

January 18th, 2002 Comments off

Three-day Emergency Fabrication of a 40" I.D., Clamp Shell Expansion Joint for a Chemical Plant in Texas

Three-day Emergency Fabrication of a 40" I.D., Clamshell Expansion Joint for a Chemical Plant in Texas


Within a three day span, U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., fabricated a 40 I.D., single coded, clamshell expansion joint for a chemical plant in Beaumont, Texas. The chemical company utilized U.S. Bellows’ 24 x 7 Quick Turn/Emergency service.
Three-day Emergency Fabrication of a 40" I.D., Clamp Shell Expansion Joint for a Chemical Plant in Texas

Quality Control Performing Dye Penetrant Test

After the representative from the chemical plant completed the online form, the U.S Bellows’ on-call team was immediately paged. Three days later the bellow had been successfully fabricated, welded to an A516-70 heat exchanger shell and shipped to the chemical plant to resume operation. The bellow was fabricated from A240 tp 321SS and designed at 50 PSIG and 750oF. In order to detect any leaks in the weld, the bellow’s long seam weld was 100% x-rayed and its attachment weld was 100% dye-penetrant.

10″ Single Tied Titanium Expansion Joints

June 6th, 2001 Comments off
10" Single Tied Titanium Expansion Joints

10" Single Tied Titanium Expansion Joints

10" Single Tied Titanium Expansion Joints

10" Single Tied Titanium Expansion Joints

U.S Bellows, Inc. manufactured 10″ single tied titanium expanison joints to be utilized in a chemical plant in Kingsport, Tennessee. These single expansion joints are bellows elements with end connections that allow movement in any direction or plane. However, the piping must also be guided in the same direction of the movement. The tie rods restrain the full pressure thrust. These expansion joints were 100% dye-penetrant examined before being shipped to the customer.

U.S. Bellows Responds to Emergency Order for a 48" Diameter Expansion Joint

September 8th, 2000 Comments off
U.S. Bellows Responds to Emergency Order for a 48" Dia. Expansion Joint

U.S. Bellows Responds to Emergency Order for a 48" Dia. Expansion Joint

U.S. Bellows Responds to Emergency Order for a 48" Dia. Expansion Joint

The 48" dia. Expansion Joint Being Manufactured

U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc. rushed to an emergency call of an Alaskan petroleum firm. The firm called upon U.S. Bellows’ 24 x 7 Quick-Turn/Emergency service to aid them in the immediate replacement of a defective, 48″ diameter expansion joint when their G417 Pump failed suddenly during the plant startup.

U.S. Bellows Responds to Emergency Order for a 48" Dia. Expansion Joint

The 48" dia. Expansion Joint Ready for Shipment

The timeline of events demonstrates the quick engineering and manufacturing response from U.S Bellows:

07/21/00 (Friday) 5:30 p.m., U.S. Bellows receives an emergency call.

07/22/00 (Saturday) U.S. Bellows/ PT&P builds the 48″ diameter expansion joint and ships it to location on the same day.

07/23/00 (Sunday) The 48″ diameter expansion joint designed and built by U.S. Bellows/PT&P was installed at customer’s location.

The customer expressed great appreciation for the extraordinary efforts put forth by the individuals at U.S. Bellows. The on-call engineering and manufacturing team demonstrated its ability and commitment to servicing customers on an emergency basis.

U.S. Bellows Responds to Emergency Order for a 48" Dia. Expansion Joint

The Expansion Joint Installed in the Field

U.S. Bellows is available on a 24 x 7 basis to fulfill any emergency requirements that might arise in the course of plant shut-downs or start-ups. The company has a system of stock bellows which can be used to assemble and ship different types of expansion joints including universal, elbow pressure balanced, and in-line pressure balanced expansion joints. The U.S. Bellows’ “on-call” engineering and manufacturing team is specifically equipped to handle rush and emergency orders. Using unique web and Internet-based technology, the company is able to respond to any emergency requirements within 30 minutes of notification.

36" Expansion Joints for an Engineering and Construction Company in Singapore

November 8th, 1999 Comments off
36" Expansion Joints for an Engineering and Construction Company in Singapore

Expansion Joints

36" Expansion Joints for an Engineering and Construction Company in Singapore

Expansion Joint

36" Expansion Joints for an Engineering and Construction Company in Singapore

Gimbal Expansion Joint

36" Expansion Joints for an Engineering and Construction Company in Singapore

Expansion Joint in the Field

In October 1999, U.S. Bellow, Inc., the expansion joint subsidiary of Piping Technology & Products, Inc., fabricated three expansion joints for an E&C company in Singapore. The expansion joints manufactured included one 36″ single hinged expansion joint, one 36″ double hinged expansion joint and one 36″ double gimbal expansion joint. These expansion joints will be used at a compressor in Singapore. Due to the critical applications of these expansion joints, they were tested per ASME Sect. VIII Div. 1 Appendix 26. The bellows together with the hinge assembly were hydro-tested. Additionally, a dry nitrogen test between the two plies was conducted to ensure that each of the two plies would withstand the design pressure. Gimbal expansion joints allow for restrained angular movement of attached piping in two planes. Expansion joints, in general, allow for axial, lateral, angular and torsional movement in piping systems.

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