Model NO.: WSM7-400
Trademark: MORROW
Origin: China
HS Code: 8515390000
Model NO.: WSM7-400
Trademark: MORROW
Origin: China
HS Code: 8515390000
Product Description:1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1 .Soft-switch inverter technology, DSP all-digital control world- advanced level
2. With welding expert database inside, can save 30 sets of self-set parameter
3. Automatic protection from over-current, over/under-voltage, over-temperature
4. All-digital LCD menu to show functions and data, synergic adjustment supported, easy to operate
5. Support MMA, TIG spot welding, DC TIG welding, pulse TIG welding
6. Can correctly control the back forming of seam, small heat input
7. Suitable for the precise welding of mild steel, stainless steel, and high carbon steel
8. Can be equipped with cooling water tank according to the requirements
Technical Parameters:
| Contents | WSM7-400 | |
| Power source | 3-phase 380V/415V Â 50Hz | |
| Rated input capacity | 17.3 KVA | |
| Rated input current | 26.3 A | |
| Rated TIG welding current | 400A | |
| Welding current | 400A 60%DE | |
| Â | 315A 100%DE | |
| Adjustment range of current (A) | 20-400 | |
| Efficiency | >85% | |
| No-load voltage | TIG | 40-50V |
| Â | MMA | 70-80V |
| Current up/down-slope time | 0-10 S | |
| Maintaining time | 0-10 S | |
| Peak//bottom current (A) | 20-400 | |
| Pulse frequency (Hz) | 0.25-25 | |
| Pulse duty circle (%) | 1-99 | |
| Dimensions (mm) | 590×306×500 | |
| Weight (Kg) | 55 | |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.
 Product Description:
1. Using inverter technology, IGBT dual module to save energy.
2. Reactors and transformers are all copper wire wound.
3. The actual input current ensures compliance with the described current value.
4. Small size, light weight, high reliability, good welding effect.
5. All products are available for OEM.
6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.
Features:
1 .Soft-switch inverter technology, DSP all-digital control world- advanced level
2. With welding expert database inside, can save 30 sets of self-set parameter
3. Automatic protection from over-current, over/under-voltage, over-temperature
4. All-digital LCD menu to show functions and data, synergic adjustment supported, easy to operate
5. Support MMA, TIG spot welding, DC TIG welding, pulse TIG welding
6. Can correctly control the back forming of seam, small heat input
7. Suitable for the precise welding of mild steel, stainless steel, and high carbon steel
8. Can be equipped with cooling water tank according to the requirements
Technical Parameters:
| Contents | WSM7-400 | |
| Power source | 3-phase 380V/415V Â 50Hz | |
| Rated input capacity | 17.3 KVA | |
| Rated input current | 26.3 A | |
| Rated TIG welding current | 400A | |
| Welding current | 400A 60%DE | |
| Â | 315A 100%DE | |
| Adjustment range of current (A) | 20-400 | |
| Efficiency | >85% | |
| No-load voltage | TIG | 40-50V |
| Â | MMA | 70-80V |
| Current up/down-slope time | 0-10 S | |
| Maintaining time | 0-10 S | |
| Peak//bottom current (A) | 20-400 | |
| Pulse frequency (Hz) | 0.25-25 | |
| Pulse duty circle (%) | 1-99 | |
| Dimensions (mm) | 590×306×500 | |
| Weight (Kg) | 55 | |
Company Description:
Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products.
 We established Morrow Inverter Power Research Institute to specially engage in research, development, and regeneration of inverter welding machine.
We can develop and produce specialized products according to different requirements of different customers.
All of our products are produced in line with ISO9001:2000 quality system certificate and have "CCC" certificate.
With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.
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UNS Type U-ring is a symmetrical lips for high-pressure U-Ring seal.
Advantages:
High sealing performance under low pressure.
Not suitable for sealing singly.
Easy installation.
Operating conditions:
Pressure: CPU: ≤31.5Mpa, TPU: ≤21Mpa
Temperature: -35~+80°C
Speed: ≤0.5m/s
Media: Hydraulic oils (mineral oil-based)
UNS Type U-Ring,Rubber UNS Type U Ring,Hydraulic Oil Seals UNS,UNS Hydraulic Piston Rod Seal
Ningbo Jiaodian Sealing Industry Co., Ltd. , http://www.jdsealing.com