Onshore Pneumatic Internal Pipe Clamp with Copper Backing Shoes This clamp is mainly used for aligning two pipes in long distance onshore pipeline construction projects,Website:http://www.pipelineautoweld.com, equipped with copper backing shoes to support automatic welding use. Control mode: electric control or pneumatic control based on customer's requirement.Copper backing shoes performance parameter:HardnessConductivity IACSTensile strengthSoftening temperature80–84HRB85%610MPa930℃Model and specification:      Model DKQ168T DKQ219T DKQ273T DKQ324T DKQ355T DKQ406T Applicable pipe size6″      Φ1688″      Φ21910″      Φ27312″      Φ32414″      Φ35516″-18″      Φ406-Φ457Product overallΦ120x2200Φ175x1300Φ170x1350Φ250x1500Φ280x1600Φ360x1980Weight100 kg50 kg85 kg130 kg170 kg250 kgNumber of clamp shoes4x24x26x28x210x210x2Number of copper shoes4x24x26x28x210x210x2Clamping force5T20T20T55T68T85TModel DKQ508T DKQ610T DKQ711T DKQ813T DKQ914T DKQ1016T Applicable pipe size20″-22″      Φ508-Φ55924″-26″      Φ610-Φ66028″-30″      Φ711-Φ76232″-34″      Φ813-Φ86436″-38″      Φ914-Φ96540″-44″      Φ1016-Φ1117Product overallΦ470x2700Φ550x2750Φ650x2850Φ750x3000Φ850x3230Φ950x3280Weight525 kg680 kg850 kg1000 kg1300 kg1500 kgNumber of clamp shoes10x212x212x216x218x218x2Number of copper shoes10x212x212x216x218x218x2Clamping force150T183T270T270T450T650TModel DKQ1168T DKQ1320T DKQ1473T DKQ1625T DKQ1778T DKQ1930T Applicable pipe size46″-50″      Φ1168-Φ127052″-56″      Φ1320-Φ142258″-62″      Φ1473-Φ157464″-68″      Φ1625-Φ172770″-74″      Φ1778-Φ187976″-80″      Φ1930-Φ2032Product overallΦ1000x3800Φ1150x4120Φ1250x4200Φ1450x4300Φ1640x4300Φ1780x4500Weight1750 kg1950 kg2300 kg2600 kg2800 kg3000 kgNumber of clamp shoes24x224x230x230x236x236x2Number of copper shoes24x224x230x230x236x236x2Clamping force750T750T750T750T750T750T