Factory directly Stainless Steel Heater Exchanger - Tube Bending – Donghao Metal Group

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Factory directly Stainless Steel Heater Exchanger - Tube Bending – Donghao Metal Group Detail:

We can supply high quality bend tubes according to customer’s drawings and requirements. We have advanced machines for bending, stress relieve heat treatment, hydrostatic test machine etc, the smallest radius can be 0.5D, our bend tubes are widely used in pressure vessel and boiler plants.

U-BENDING / U bend Tubing / U Tube:

U-BENDING / U bend Tubing / U Tube heat exchangers comprise a U shaped tube fixed by flow baffles or tubes supports and placed in shell to control the fluid present in the exterior of the tube assembly. The fluid is guided into the tubes by a head assembly, which is fixed to the shell by bolts.

Bending Radius: From 1.5 * O.D (outside diameter) ,When ordering tubes with bending radius less than 1.5*OD, it is necessary to get the agreement with us.

Straight tubes maximum length (before bending): 35000 mm.

Leg length: min 1 meter, max. 16500 mm (for max r=1500mm) 

Note: Other sizes are available upon agreement.

Heat treatment: stress relieved after u-bending (bending area plus 300mm for each leg).

Standards: A213/A269, A789/A790, EN 10216-5 TC1, ASME SA – 556/556 m

Outside diameter range from 6.35-50.8mm

Wall thickness range from 0.71-3.81mm

Inspection & Test:

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.


Product detail pictures:

Factory directly Stainless Steel Heater Exchanger -
 Tube Bending – Donghao Metal Group detail pictures

Factory directly Stainless Steel Heater Exchanger -
 Tube Bending – Donghao Metal Group detail pictures

Factory directly Stainless Steel Heater Exchanger -
 Tube Bending – Donghao Metal Group detail pictures


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It is a great way to further improve our products and repair. Our mission is always to create innovative products to prospects with a superior expertise for Factory directly Stainless Steel Heater Exchanger - Tube Bending – Donghao Metal Group, The product will supply to all over the world, such as: Amman, Belgium , Naples , Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services to suit your needs. We warmly welcome you to contact us and make sure you feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specs or inquiries today.
  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Molly from Venezuela - 2015.06.18 19:26
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Pamela from Ghana - 2015.06.09 12:42
    
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