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Tube hydraulic expansion is applied in the process of heat exchanger tube bundle manufacturing, such as strength expansion, sticking expansion, pre-welding pre-expansion and post-welding sticking expansion of heat exchanger tube sheet and heat exchange tube, so as to ensure the connection strength and stability of heat exchanger after manufacturing. sealing requirements.
The connection between the heat exchange tube and the tube sheet mainly includes expansion, welding and expansion welding. The expansion methods can be divided into mechanical expansion, hydraulic expansion, rubber expansion and explosion expansion.
| Rated expanding pressure in Max | MPa | 350 | ||
| Normal expanding pressure | MPa | ≤320 | ||
| Speed of Expanding | time/min | 5-10 | ||
| Expanding rate | O.D/ID | ≤1.5 | ||
| Tube Inner Diameter in Min | mm | ≥8 | ||
| Tube sheet thickness in Min. | mm | 15 | ||
| Expanding medium | Emulsion or water | |||
| Operator | 1 | |||
| Expanding rod connection | mm | M10×1 | ||
| Weight of the whole machine | Kg | 400 | ||
| Weight of operating hand tool | Kg | 1.5 | ||
| Size | mm | 1150×900×600 | ||
| Output capacity | Kw | 4 | ||
| Power supply | VAC | AC Three phase 380V/50Hz | ||
| Roughness of tube sheet | 12.5 | |||
| Pressure expanding groove width | mm | 8-10-8or 9-10-9 | ||
Technical proposal of machine will be supplied according to different diameter and thickness of tube and shell.
1) Q: Will you deliver the right goods as ordered? How can I trust you?
A: Yes, we will. We are professional supplier of hydraulic heat exchanger tube expanding machine . Our cooperated factory is leading manufacturer of tube expanding machine in China, which has over 1000 clients. Our team has over 15 years' experience in designing, manufacturing, commissioning. We are also certified member of MIC.
2) Q: How to choose the hydraulic heat exchanger tube expander?
A: You are requested to inform us following details:
O.D. of tube
I.D. of tube
I.D. of tube after welding
Wall thickness
Effective length
3) Q: Where is the nearest airport to your company?
A: Shanghai Pudong
4) Q: How about your service?
A: Before sales:
Technical Support: provide detailed technical information such as technical & commercial offer, machine photos, running video, layout, operation manual, and show you working machines in our factory.
After sales:
Provides comprehensive After Sales Support and Service to meet our customer need.
Drawings: Provide the foundation drawing, electric scheme and wiring diagram, hydraulic drawing, pneumatic & electric pipeline drawing and other drawings requested by customer.
Installation and commissioning: will send our technicians to customer's workshop for supervision of installation and commission
Training of Customers' technician/workers during commission
Provide customers with installation and commissioning online instructions.
Breakdown Support: We offer 1 year warranty service for main crucial components except consumables
Inform immediate technical assistance and advice to customer by phone or e-mail.
Skilled and experienced engineers are capable of dealing with any type of breakdowns.
Technical service work performed in Customer's site if required.
Urgently supply mechanical or electronic components.
Fast supply of spare parts and wearing parts to cover foreseeable requirements
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