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{"title":"Shell and Tube Heat Exchanger | ASME Certified | Stainless Steel","imgUrl":"https:\/\/img.ismap.com\/nimg\/82\/95\/b75f3804840780c34c0df7417611-200x200-1\/shell_and_tube_heat_exchanger_7c_asme_certified_7c_stainless_steel.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"YH-HX-STHE","Certification":"ASME,ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015","Place of Origin":"China"}}
{"title":"ASME U Stamp Heat Exchanger API 660 In Petrochemical And Oil Refinery","imgUrl":"https:\/\/img.ismap.com\/nimg\/ee\/1d\/84c6e3f2babdeaff4fb3d23a758a-200x200-1\/asme_u_stamp_heat_exchanger_api_660_in_petrochemical_and_oil_refinery.jpg","attrs":{"Brand Name":"Yuhong","Model Number":"API 660, API 661, API 663","Certification":"ASME U , ISO 9001, ISO 14001, ISO 18001, ABS, BV, DNV-GL, LR, KR, CCS, NK , TUV","Place of Origin":"CHINA"}}
{"title":"Shell And Tube Heat Exchanger API 660 ASME U Stamp For Petrochemical Industry","imgUrl":"https:\/\/img.ismap.com\/nimg\/25\/5b\/c69a652753f845a81519b48f12c4-200x200-1\/shell_and_tube_heat_exchanger_api_660_asme_u_stamp_for_petrochemical_industry_application.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Heat Exchanger Baffle, Impingement plate,Transverse baffle,Partition pass plate (Partition plate )","Certification":"ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS","Place of Origin":"China"}}
{"title":"Shell and Tube Heat Exchanger API Standard 660, ASME VIII Division 1, TEMA R","imgUrl":"https:\/\/img.ismap.com\/nimg\/69\/fb\/69839176851176bf75cd36d5d991-200x200-1\/shell_and_tube_heat_exchanger_api_standard_660_2c_asme_viii_division_1_2c_tema_r_class.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Shell & Tube Heat Exchanger with Clad Construction","Certification":"ASME Sec VIII Div.1 + TEMA Class R","Place of Origin":"CN"}}
{"title":"\u200b\u200bTEMA Class R BEM Heat Exchanger, Fixed Tubesheet, NACE SA179 tube for Sour Gas","imgUrl":"https:\/\/img.ismap.com\/nimg\/7d\/e6\/f878a90a293d6d7760005b443ec1-200x200-1\/e2_80_8b_e2_80_8btema_class_r_bem_heat_exchanger_2c_fixed_tubesheet_2c_nace_sa179_tube_for_sour_gas_refinery_service.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Fixed Tube Sheet Heat Exchanger, \u200b\u200bTEMA Class R BEM","Certification":"ASME U Stamp, PED 2014\/68\/EU, ISO 9001\/14001","Place of Origin":"CN"}}
{"title":"API 660 Shell And Tube Heat Exchanger TEMA Standard ASME U Stamp ASME VIII","imgUrl":"https:\/\/img.ismap.com\/nimg\/d4\/bb\/6c889e0e1115ea61355fe43f4169-200x200-1\/api_660_shell_and_tube_heat_exchanger_tema_standard_asme_u_stamp_asme_viii.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Shell and Tube Heat Exchanger","Certification":"API 660, TEMA, ASME VIII, ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS","Place of Origin":"China"}}
TEMA CERTIFIED U BEND TUBE HEAT EXCHANGER FOR REFINERY U STAMP
Yuhong Holding Group Co., Ltd is a globally recognized manufacturer and supplier of premium industrial equipment, including heat exchangers, fired heaters, air coolers, and related components. With decades of engineering expertise and cutting-edge manufacturing capabilities, we deliver high-quality solutions designed to meet the rigorous demands of industries worldwide.
A U-tube heat exchanger is a type of shell and tube heat exchanger where the tubes are bent into a "U" shape. Each tube bundle consists of many of these U-shaped tubes, and both ends of each tube are fixed to a single tube sheet. This design allows the tube bundle to expand and contract freely with temperature changes, making it highly resistant to thermal stress.
U-Tube VS. Straight-Tube Heat Exchanger
Feature
U-Tube Heat Exchanger
Straight-Tube Heat Exchanger
Thermal Expansion
Free-floating; handles it very well.
Fixed at both ends; requires an expansion joint in the shell for large ΔT.
Tube Sheets
One
Two
Internal Cleaning
Difficult (chemical only).
Easy (can be rodded or brushed).
Tube Replacement
Difficult (often requires new bundle).
Possible to replace individual tubes.
Cost
Generally lower.
Generally higher.
Tube heat exchanger key Features:
1. Structure:
Shell: The large outer vessel that contains one fluid (the "shell-side fluid").
U-Tubes: A bundle of tubes bent into a U-shape. A second fluid (the "tube-side fluid") flows through these.
Tube Sheet: A single, thick metal plate drilled with a precise pattern of holes. Both the inlet and outlet legs of the U-tubes are attached to this same tube sheet.
Stationary Channel/Head: The chamber at the front where the tube-side fluid enters and exits. It contains a crucial part called the bonnet or head, which is split by a partition (baffle). This partition directs the incoming fluid into the tubes and keeps it separate from the outgoing fluid.
Baffles: Plates placed inside the shell. They serve two main purposes:
They support the long, U-shaped tubes to prevent vibration.
They force the shell-side fluid to flow back and forth across the tube bundle, increasing heat transfer efficiency.
Tube heat exchanger advantages:
High Efficiency: Suitable for large temperature and pressure differentials.
Durability: Robust construction handles harsh conditions (high pressure/temperature, corrosive fluids).
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...