Heat Exchanger Tube (Straight & U Tube)- seamless
Product Description
Heat exchangers are vital components in numerous process plants. With an increasing focus on operating economy and safety, the benefits achieved from baseline inspection and condition monitoring are evident.
LSI’s heat exchanger tube provide a safety and economic way for clients focus on producing high-quality heat exchange products.
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APPLICATION
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* Nuclear Industry
*Chemical Industry
*Petrochemical Industry
*HVAC (Heating Ventilation Air Conditioning), Refrigeration
*Food and Beverages
*Power Generation
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APPLIED STANDARD
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ASTM A213/ASME SA213, ASTM A249/ASME SA249, ASTM A268/ ASME SA268, ASTM A688, ASTM A789, ASME SA789, ASTM A269, ASME SA269, ASTM A803, ASTM B163/ASME SB163, ASTM B165/ASME SB165, ASTM B167/ASME SB167, ASTM B338/ASME SB338, ASTM B704/ASTM B705, EN10216-5, DIN 17175, DIN 17459
Conditions
DIN 28179, DIN 28180
Materials
DIN28181, GOST 11017, JIS G3455, JIS G3462, JIS G3463, JIS H4631
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U-BENDING
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U-BENDING U-TUBE HEAT EXCHANGERS COMPRISE A U-SHAPED TUBE FIXED BY FLOW BAFFLES OR TUBES SUPPORTS AND PLACED IN A 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
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Bending Radius: From 1.5*od(outside diameter) to 1500mm
When ordering tubes with bending radius less than 1.5*OD, it is necessary to get the agreement with seller
Straight tubes maximum length(before bending): 35000 mm.
Leg length: min 1 meter, max. 16500 mm (for max r=1500mm)
Note: other size are available upon agreement.
Heat treatment: stress relieved after u-bending (bending area plus 300mm for each leg).
packaging: In strong transport-worthy pre-fumigated wooden boxes of corresponding dimensions for each tube length, radius, diameter, according to po requirements as well as wrapped in polyethylene films with soft plastic caps on both end of tube.
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TEST & INSPECTION PLAN
1.100% PMI / SPECTRO CHEMICAL ANALYSIS TESTS
2.100% DIMENSION TESTS & 100% VISUAL EXAMINATION
3.TENSION TEST, FLANGE TESTS, HARDNESS TEST, REVERSED FLATTENING TEST
4.100% HYDROSTATIC TEST AFTER BENDING PLUS 100% NON-DESTRUCTIVE TESTS
5.CHECKING STRESS RELEASED HEAT TREATMENT IN BENDING AREA PLUS 300MM STRAIGHT LEG LENGTH AFTER BENDING WITH AGREEMENT WITH CLIENTS, SIGNING BENDING REPORT
NOTES : ALL THE TESTS AND INSPECTION NEED TO PROVIDE WITH REPORTS ACCORDING TO STANDARD AND TEST RESULTS.
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OPTION TEST & INSPECTION ITEMS
1.STRAIGHTNESS TEST
2.ROUGHNESS TEST
3.CRYSTALLING PHASE ANALYSIS
4.INTERGRANULAR ATTACK TESTS
5.IMPACT ATTACK TEST UNDER LOW TEMPERATURE
6 .U-BEND BALLING PASS TEST
7.PT TEST ON BENDING AREA
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THE DOCUMENTS LSI WILL PROVIDE TO YOU
a. MTC (MATERIAL TEST CERTIFICATION) ACCORDING TO EN10204/3.1 OR EN 10204/3.2
b.RAW MATERIAL CERTIFICATION
c.ALL THE TEST & INSPECTION REPORTS AS PER PO AND STANDARDS
d.HEAT TREATMENT REPORT
e.SHIPPING NOTIFICATION BEFORE SHIPMENT
f.QUALITY WARRANTY LETTER
g.BENDING REPORT
h.HEAT TREATMENT REPORT AFTER BENDING
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