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U.S. Bellows, Inc. Fabricated and Designed 5 Expansion Joints for a Heat Exchanger Company in Japan (PT&P Ref #00663) 4/05/2006

Expansion Joint Assembly

Expansion Joint Assembly These single expansion joints were fabricated from ASTM-A-240 Type 321 stainless steel bellows and liners. The shell material is ASTM-A-516 Grade 70. They are 32 diameter with an overall length of 26". Each joint weighs 280 lbs. They were designed for 150 PSIG at 650F with a travel capacity of 0.33" axial compression and 0.08" lateral deflection. These expansion joints absorb differential expansion between the shell side and tube side of a heat exchanger.

They were hydrostatically tested to 208 PSIG to comply with the Japanese code, Ministry of Health, Labor and Welfares (MHLW) and the ASME Pressure Vessel Code Section VIII.




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