
Baoding Sifang Sanyi GGP Solid State MOSFET High Frequency Supply Solid state HF welder to welding the pipe seam, very important machine at ERW tube mill, have 100kw, 200kw, 300kw......1200kw to choose.
Baoding Sifang Sanyi GGP Solid State MOSFET High Frequency Supply Solid state HF welder to welding the pipe seam, very important machine at ERW tube mill, have 100kw, 200kw, 300kw......1200kw to choose.

① Designed parameters
l Nominal power: 100kW
l Rated DC power: Pd=120kW
l Rated DC voltage: UdN=450V
l Rated DC current: IdN=270A
l The whole efficiency: η≥85%
l Output power: Pout>100kW
l Designed frequency: f=400~450kHz
l MOSFET inverter: 60kW×2
l Tank circuit output mode: secondary resonance without welding transformer

② Power distribution requirements
l Nominal power: 100kW
l Rated DC power: Pd=120kW
l Power factor: COSφ≥0.9
l Distribution capacity: S≥130kVA
l Power supply voltage: 3-phase 380V/50Hz
l Line-in current: I=220A
l Line-in cable: each phase adopts 95mm2 copper cable, 3-phase 4-line
③ Water-water cooling system
l With the adoption of water-water heat exchanger
l Pressure of inner circulation water: 0.15~0.25MPa
u Flow of inner circulation water: 7m3/h
u Temperature of inner circulation out water: ≤40℃
u Temperature of inner circulation back water: ≤55℃
l Heat exchanger area: ≥5m2
l Flow of external circulation water: 10m3/h(provided by user)
u Temperature of external circulation inlet water: ≤35℃
u Temperature rise of heat exchanger external circulation water: ≤15℃
u Pressure of inlet water: 0.25~0.3MPa (approximately 2.5~3kg/cm2)
u Volume for external circulation water pool: ≥10m3(provided by user)


100kw HF welder
150kw HF welder
200kw HF welder
250kw HF welder
300kw HF welder
400kw HF welder
500kw HF welder
600kw HF welder
700kw HF welder
800kw HF welder
1000kw HF welder
1200kw HF welder
1600kw HF welder
1800kw HF welder
Don’t know how to choose? Connect with us now!

Pre-sale service
1. We can provide machine running videos for reference
2. We will recommend the most suitable equipment according to the needs of customers
3. We can provide the layout of the factory
4. We welcome customers to visit our factory

After-sales service
1.We will delivery the machine and provide the documents on time to make sure you can get the machine quickly
2.When you finish the Preparation conditions, Our fast and professional aftersales service engineer team will go to your factory to install the machine, give you the operating manual, And train your employee until they can operate the machine well.
3.We provide one year warranty and life-long technical support.
4.Well-trained & experienced staff are to answer all your inquiries in English and Chinese
5 .24 hours for engineer response.
6.Your business relationship with us will be confidential to any third party.

Quality Control
We have the single quality department, that make sure the material of the raw materials is good, and ensure the machine running smoothly.



Copy product links
Long by picture save/share

