Purpose: Suspended split-type tongs KPR-12 are designed for spinning-up and uncoupling of tubing and drill pipes of different diameters during well work-over and production maintenance as part of hydraulic lifting rig.
The tongs consist of: Replaceable grippers – 2 pcs., stopper – 1 pc., shock-absorber suspension and shock-absorber -  1 pc., hoses -3 pcs. Set of spare parts and accessories: 1. Brake band – 2 pcs. 2. Roller – 2 pcs. 3. Slips. On Client’s requisition, the tongs can be additionally completed with: A jet thrust, a jet thrust stay, hydraulic cylinder, manipulator.
Technical specifications
Maximum torque, kNm on the lowest / the highest gear	12/4
Nominal diameters of spinned-up and uncoupled pipes, mm	60, 73
Nominal diameters of spinned-up and uncoupled pipes, mm (on order)	89, 102, 114, 73B, 89B
Required hydraulic drive parameters: capacity, kWt	30
Pressure in hydraulic system, MPa	16
Operating fluid flow, dm3/min	140
Overall dimensions of tongs: length, width, height, mm	1050х700х560
Weight of tongs without set of spare parts, kg	350

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