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SINOHEX Maintenance Field Support
SINOHEX can provide your site with 24/7 mechanical maintenance support. Our crews can support any mechanical scopes that your site may have. Our highly experienced personnel can cover all of your needs with a supporting cross-shift. In many cases, our maintenance crews can transition over to Turnaround support as needed.
Maintenance Services
SINOHEX can provide your site with 24/7 mechanical maintenance support. Our crews can support 
any mechanical scopes that your site may have. Our highly experienced personnel can cover all of 
your needs with a supporting cross-shift. In many cases, our maintenance crews can transition 
over to Turnaround support as needed.
SINOHEX offers a full line of pipefitter onsite mechanical field maintenance services for heat exchangers including
 (but not limited to):
Shell and Tube Heat Exchanger Maintenance:
 Bundle pulling and pushing
Component disassembly and assembly
Re-tubing and tube plugging
Weld and flange repairs
Portable machining
Bolt torquing and tensioning, including controlled bolting.
Blinding and isolation
Hydrotesting
Helium leak and pneumatic testing of tube-tubesheet joints
Shell and Tube Heat Exchanger Maintenance:
Re-tubing and tube plugging
Header box repairs
Header plug and gasket replacement
Fin combing and cleaning
Fan, drive, and motor maintenance and replacement
Louver, linkages, and actuator maintenance and replacement
Troubleshooting
SINOHEX's embedded maintenance service succeeds thanks to our highly experienced supervision and field crews, supported by our ability to deliver custom-fabricated products directly to site.
Engineering FAQ's 
  • How do you handle packaging and shipping?

    We provide export-standard wooden boxes to ensure products are well-protected during long-distance freight. We have extensive experience in shipping globally and can arrange the Term of Delivery , such as FOB, CIF, CFR, EXW, DDP etc. as per your requirement. We will work with you to find the most efficient and cost-effective shipping solution.
  • How do I request a quotation? What information do I need to provide?

    To make the quotation for you, please provide the following parameters, then we can assist you in selecting the heat exchanger model:
    (1). Hot Medium:
    Inlet Temperature:
    Outlet Temperature:
    Pressure:
    Flow Rate:
    (2). Cold Medium:
    Inlet Temperature:
    Outlet Temperature:
    Pressure:
    Flow Rate:

  • Do you support customization?

    We offer customized services and have a professional team that will assist you in selecting 
  • Can you provide the technical specifications?

    Yes, we can provide you with the design drawings for your reference.
  • What is your delivery time?

    The delivery time depends on the quantity of the order and the degree of customization of the products. Generally speaking, for standard products, the production time is approximately 15 working days after the order is confirmed and the deposit is received. The specific delivery time will be confirmed separately based on your order details.
  • What is your warranty policy?

    We offer a 12-month warranty service starting from the date of shipment. Our technical support team is always ready to answer any operational questions you may have.
  • What materials are available for the heat exchangers?

    We use a variety of materials to meet different medium requirements and corrosion resistance standards, such as 304 stainless steel, 316 stainless steel etc.
Have a question? We have an answer!

SINOHEX Mission: To manufacture heat exchange equipment and deliver services of exceptional quality, providing superior value to our customers.

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