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Hinged and Universal Expansion Joints with Refractory Lining

March 28th, 2007 Comments off
Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

Hinged and Universal Expansion Joints with Refractory Lining

U.S. Bellows, Inc. designed and fabricated refractory lined single-hinged and universal expansion joints for a design pressure of 75.4 PSIG and 1400°F temperature. Each expansion joint was 100% x-ray tested along the weld seams and pneumatically tested to 83 PSIG.

Hinged and Universal Expansion Joints with Refractory Lining

Refractory Lining

60″ diameter Double Hinged Refractory Lined Expansion Joint for a Chemical Refinery in Michigan

February 27th, 2004 Comments off
60 dia. Double Hinged Refractory Lined Expansion Joint for a Chemical Refinery in Michigan

60 dia. Double Hinged Refractory Lined Expansion Joint for a Chemical Refinery in Michigan

U.S. Bellows, Inc. specially designed and manufactured a double hinged refractory lined expansion joint for a chemical refinery in Michigan. This expansion joint with an overall length of 40′-0″ has a 4″ thick refractory lining installed per UOP specifications. It also consists of testable two plies SB-443/Inco 625LCF bellows, 5/8″ thick, A516-70 mitered elbows, 5/8″ thick, A516-70 spool, A240-304 liners, A516-70 hinges, A193, GR 7 tie rods, and A516-70 lugs.

This expansion joint is designed for 50 PSIG and 1440°F with 3″ of lateral movement per B31.3 and EJMA standards. To ensure quality, 100% X-Ray and 100% dye-penetration tests were performed on the bellows after forming. A pneumatic test at 75 PSIG was conducted on the expansion joint assembly prior to shipping.

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.

Replacement Hinged Expansion Joint

January 22nd, 1994 Comments off
Replacement Hinged Expansion Joint

Replacement Hinged Expansion Joint

The 24” diameter hinged expansion joint shown above was designed to absorb lateral deflection and limited angular rotation in one plane only. They were supplied by U.S. Bellows, Inc. for an emergency shut down delivery requirement.

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