| Customization: | Available |
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| Welding Range: | 500mm |
| Cooling Way: | Air Cooling |
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| Model | HDC500 |
| Pipe size(mm) | 180mm,200mm,225mm,250mm,280mm,315mm, 355mm,400mm,450mm,500mm |
| Heating plat Max temp | 270ºC |
| Temp deviation in surface(170-250) | ±5ºC |
| Max tolerance of welding jointing | 0.3MM |
| Max working pressure hydraulic station | 10Mpa |
| Working voltage | 380V |
| Working frequency | 50-60HZ |
| Motor power/voltage of hydraulic station | 1.5KW / 380V |
| Power/voltage of heating plate | 6.5KW / 380V |
| Power/voltage of planning tool motor | 1.5KW / 380V |
| Total Power | 9.5KW |
| Overall weight of machine(kg) | 480KGS |
P1: Approach and preheating pressure,
P2: Maximum heating pressure,
P5: Welding pressure,
Pt (Drag pressure): pressure necessary to overcome the friction of the machine. It must be measured by the operator
with the pressure gauge of the hydraulic unit.
t1, t2, …, t5: duration of phases 1,2, …, 5.
1- Approach and Preheating Phase. Bring the edges to be welded closer with the thermal element at
the pressure (P1+Pt) so that the edge reaches the dimension provided for by the standard used.
2- Heating Phase. Reduce the pressure to the maximum value P2, sufficient to maintain contact of the edges of the
pipe with the thermal element, for the time t2
Note: The operator, by reducing the pressure, must be careful not to detach the edges from the thermal element. If
this happens, the welding must be repeated.
3- Phase of Extraction of the thermal element. Remove the thermal element at the maximum time t3, without damaging the edges of the two elements to be welded.
4- Phase of reaching the welding pressure. Put the edges in contact, progressively increasing the pressure up to the value (P5+Pt), in time t4. Prevent the soft material from coming out of the surfaces that were approached.
5- Welding Phase. Keep the edges in contact under pressure (P5+Pt ) for time t5.
Do not use water or compressed air to accelerate the cooling of the fusion. If necessary, protect the weld from
rain, wind or excessive solar radiation.
Zhejiang Huajin Welding Machine Equipment Co., Ltd. is developed from Zhuji Huida Pipeline Technology Co., Ltd. It is one of the earliest professional enterprises engaged in the research, development and production of HDPE pipe welding equipment in China. The company covers an area of 20000 square meters and owns various production plants of 30,000 square meters. It is one of the largest HDPE pipe welding equipment manufacturers in China.
After more than ten years of development, the company has casting, machining, painting, sheet metal, packing workshops and so on.The main products include a full range of butt welding machine, CNC welding machine,electrofusion,fitting welding machine, HDPE/PPR pipe cutting tools, as well as a variety of special construction tools.
The products of Huida and Huajin series have been widely used by domestic pipe, pipe fitting manufacturers, gas and water companies and professional construction companies, etc., and have won wide favor in the domestic and international markets with their excellent cost performance and reliable quality.
After years of development ,our company have accumulated rich experience in technology development, enterprise management, production and sales, cultivated an excellent and professional team. And we have established a good cooperative relation with HDPE/PPR pipe companies, polyethylene pipe users, professional construction companies , and it is useful on our product development, technological innovation and product upgrading advanced.
To produce quality pipe welding equipment, and let the world has no difficulty on welding of pipes. It is our eternal pursuit!
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