ASME Certified Shell and Tube Heat Exchanger with Custom Fabrication and Floating Head Design

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YUHONG HOLDING GROUP CO., LTD

City: ningbo

Country/Region:china

Tel:0086-574-88013900

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ASME Certified Shell and Tube Heat Exchanger with Custom Fabrication and Floating Head Design

Brand Name	YUHONG
Certification	ASME, ABS, DNV-GL , BV, LR , KR, CCS, PED, TUV, ISO9001, AD2000
Place of Origin	CHINA
Minimum Order Quantity	1 SET
Price	NEGOCIATED
Payment Terms	T/T,L/C
Supply Ability	500 TONS
Delivery Time	20-80 DAYS
Packaging Details	PLYWOODEN CASE OR PALLET

Detailed Product Description

Industrial Heat Exchanger Solutions

Shell & Tube, U-Tube & Floating Head Designs | Custom ASME Fabrication for Process Cooling & Heating

Engineered Heat Transfer for Critical Processes

Yuhong Group Co., Ltd. designs and manufactures reliable thermal equipment for industries worldwide. Our core offerings include shell & tube heat exchangers, pressure vessels, and air coolers, supported by a full inventory of precision components—tube bundles, U-bend tubes, finned tubes, and parts such as tubesheets, baffles, and heads—ensuring seamless integration with existing systems.

Performance-Driven Heat Exchangers

Our industrial heat exchangers are engineered to deliver consistent thermal performance under real-world operating conditions. Whether you need to cool lubricating oil, condense process vapors, or recover waste heat, we provide solutions tailored to your fluid properties, pressure limits, and space constraints. Every unit is built to ASME code standards, with design types selected based on your specific maintenance access and thermal expansion requirements.

Heat Exchanger Type Overview

How to Match Your Process Requirements

Design Type	Core Features	Recommended Operating Conditions
Fixed Tube Sheet Type	Simple structure, lowest cost, tube bundle cannot be removed	Clean media, small temperature difference, no need for frequent cleaning
Floating Head Type	Tube bundle can be removed, thermal stress self-eliminating	Large temperature difference, prone to scaling, requires mechanical cleaning
U-Tube Type	Single tube sheet, tube bundle can expand freely	High pressure tube side, high temperature difference, shell side cleaning is the primary method

Material Compatibility Guide

Process Fluid Type	Recommended Material Combination (Tube/Shell/Tube Sheet)	Selection Basis
Clean Fresh Water, Steam, Lubricating Oil	Carbon Steel/Carbon Steel/Carbon Steel	Optimal cost, reliable performance
Chlorinated Cooling Water (<200ppm)	304/316L Stainless Steel/Carbon Steel or Composite Plate	Balances corrosion resistance and cost
Seawater, High Chlorine Conditions	90/10 Copper-Nickel or Titanium/Copper-Nickel/Naval Brass	Excellent seawater corrosion resistance
High Temperature Hydrocarbons, Hydrogen	Chromium-Molybdenum Steel (1¼Cr-½Mo)/Similar/Chromium-Molybdenum Steel	Resistant to high-temperature creep and hydrogen corrosion
Strong acid and strong oxidizing media	Hastelloy or duplex steel/similar/similar	Extreme corrosion resistance requirements

Core Component Functions

Component Name	Functional Description	Key Quality Points
Tube Bundle	Main heat transfer surface, determines thermal performance	Tube material non-destructive testing, expansion/welding quality
Tube Sheet	Fixes the tube bundle, pressure boundary	Drilling accuracy, slotting, material forging ratio
Shell	Encloses the shell-side medium	Weld non-destructive testing, roundness control
Baffle	Guides flow, supports, dampens vibration	Spacing accuracy, tube hole concentricity
Tube Box	Distributes the tube-side medium	Flange sealing surface, internal anti-impact plate

Technical Highlights: Design Details for Long-Term Efficiency

Impingement Plate Design: Installing an impingement plate at the inlet nozzle where flow rates are high or where solid particles are present effectively prevents erosion damage at the tube bundle inlet. This is one of the most easily overlooked details for extending heat exchanger lifespan.
Baffle Notch Direction: For horizontally placed heat exchangers, the baffle notches should alternate vertically rather than horizontally to prevent shell-side media from settling and fouling at the bottom, while ensuring better gas-liquid separation.
Tube Bundle Support Spacing: Determine the maximum unsupported span of the baffles based on fluid-induced vibration analysis, rather than blindly using standard spacing. This is especially important for gas or two-phase flow conditions, preventing fatigue fracture caused by tube bundle resonance.

Five Hidden Causes of Heat Exchanger Efficiency Decline

Even with correct design parameters, heat exchangers may gradually deviate from their performance specifications during operation. Here are some common but easily overlooked causes of performance degradation:

Tube Wall Scaling: Even a thin layer of scale or coke can create thermal resistance several times greater than the metal wall itself. Regular cleaning is the most direct way to restore efficiency.
Tube Bundle Inlet Erosion: Solid particles or droplets in high-speed fluids can gradually thin the tube ends, leading to leaks. Checking for "knife-edge" edges at the tube inlets is an early diagnostic method.
Damaged or Missing Sealing Strips: Damaged sealing strips can cause shell-side fluid to bypass the tube bundle, resulting in a sharp drop in heat transfer efficiency of over 20%.
Loose Baffles: Fluid vibration or corrosion can cause the baffle tube holes to enlarge, losing effective support for the tube bundle and exacerbating vibration and wear.
Aging Gaskets: Internal leaks caused by aging tube box gaskets or floating head gaskets can cause some fluid to short-circuit without heat exchange, resulting in abnormal outlet temperatures.

Customized Services and Engineering Support

Quick Replacement Service: Based on drawings or on-site measurements of the old heat exchanger, we can complete the reverse design and manufacturing of the tube bundle or the entire unit in a short time.
Performance Upgrades: While maintaining the original shell structure, heat exchange efficiency or throughput can be improved by optimizing tube type, finning, or changing baffle layout.
Full Lifecycle Support: Spare parts packages (gaskets, fasteners, sacrificial anodes), on-site maintenance guidance, and operational parameter optimization suggestions are provided.

Typical Application Scenarios

Refining and Petrochemical: Atmospheric and vacuum distillation tower top condensers, hydrotreating reactor feed and discharge heat exchangers, catalytic cracking slurry coolers.
Power Generation: Steam turbine extraction heaters, generator hydrogen coolers, boiler continuous blowdown coolers.
HVAC and District Energy: Plate/shell-and-tube heat exchangers for heat exchange stations, evaporators for ice storage systems.
General Industry: Air compressor interstage coolers, injection molding machine mold temperature controllers, hydraulic station oil coolers.

Initiate Your Project Evaluation

Send your process data sheet or existing equipment parameters to jimmy@steelseamlesspipe.com, and Yuhong Group engineers will provide preliminary selection advice and a preliminary quote within 24 hours.

Product Tags: ASME certified shell and tube heat exchanger TEMA heat exchanger with floating head custom fabricated shell and tube exchanger

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