1. Appling direct pressurization organism which has high stability and fast speed. 2. Theadjustableness of he electrode 3. Separate type of cooling system 4. Optional controllers for customers best usage Technical Paratemers Specification RatedCapacityRatedPrimary VoltageRatedFrequencyWelding ArmLengthMaxShot Circuit CurrentMaxWeldingPowerDutyCycleMaxPressureIncresesWorkingStrokeWeldingItineraryCoolingWaterFlowWelding WeightWeightThicknessKVAVHzmmKAKVA%kgmmmmL/minkgmmDNK-16c1638050500390Dot:9 Convex:11.8 308...505062.3-1876020≤162442.0+2.0DNK-25c2538050500380Dot:13.6 Convex:16 576750100-3026020≤162752.6+2.6DNK-40c4038050500370Dot:15 Convex:17.8698250157-4716020≤163133.2+3.2DNK-63c6338050500345Dot:19 Convex:21 10711850245-7366020≤164163.5+3.5DNK-80c8038050500340Dot:23.2 Convex:25.815617450245-7366020≤164454.0+4.0DNK-100c10038050500335Dot:28.6 Convex:34 22226450245-7366020≤165104.5+4.5DNK-125c12538050500335Dot:31 Convex:36 24128050402-12066020≤165145.0+5.0DNK-160c16038050650480Dot:33.6 Convex:40 28233650402-12066020≤166206.0+6.0DNK-250c25038050650480Dot:41 Convex:47 38944650245-7366020≤166656.5+6.5