Hydraulic Power Tong GKSh-5000C

Description

Hydraulic Power Tong GKSh-5000 is designed to handle a range of casing sizes from Ø102 mm (4") up to Ø508 mm (20").

Hydraulic backup is with a range of pipe coverage from Ø102 mm (4") up to Ø451 mm (17 3/4").

Manufactured for operation in areas with moderately cold climate, category 1 as per GOST 15150-69 (-45 to 50 C).

Features

This Hydraulic Power Tong is the next step in the development of the GKSH 5000 model. To provide tong performance with higher torque, the jaws were reinforced.

The two-section hydraulic motor and manual gearbox provide four different torque ranges at the same fluid pressure from 0 to 190 bar. The coverage by the jaws along the entire circumference reduces tubular damage to thin-walled pipes.

Hydraulic backup based on a unique development of Ufagidromash LLC has a number of innovative solutions::

  • the pipe is gripped with three jaws, that distribute gripping forces over a greater area without damaging the casing;
  • jaws with an extended range are used, which allows by one set of jaws to grip the pipe body, the pipe coupling, the casing shoe, the cementing check valve;
  •  the simplicity of the design allows you to quickly replace the jaws for different range of pipe diameters;
  • there is no need to reinstall the jaws into the position of making up and breaking out of the string;
  • special attention is paid to the joint of the Hydraulic backup with the main tong body. The two-point attachment equidistant from the center of the pipe with a balancing torsion eliminates the appearance of radial bending forces on the thread. This arrangement allows pipes to be made up with "pure" torque without additional friction in the threaded joint.

Components

  • Reducing Gear;
  • Vane Motor MV015-65;
  • Hydraulic Control SD-25/2 with Pressure Valve (Italy);
  • Gearbox;
  • Suspension Cylinder Assembly;
  • Suspension;
  • Pressure Gauge;
  • Rotor Assembly with adapter insert;
  • Door right;
  • Door left;
  • Directional valve;
  • Hydraulic backup;
  • Hydromodule of hydraulic backup
  • Transportation (adjusting) stands;

Specifications

Parameters Value
Hydraulic system flow, m3/sec (l/min)
 
minimal
nominal
maximal

10,0×10-4 (60)
33,3×10-4 (200)
44,2×10-4 (265)
Hydraulic system pressure, MPa (kgf/cm2)
nominal
maximal
peak

10 (100)
17 (170)
19(190)
Drain line pressure, MPa (kgf/cm2) not more than 0,5 (5)
Tong rotary speed at nomimal flow, sec-1 (rpm):
1st gear
2nd gear
3rd gear
4th gear

0,11 (7)
0,32 (19)
0,68(40)
1,94 (116)
Torque at nominal pressure, Nm (kgfm)
1st gear
2nd gear
3rd gear
4th gear

25810 (2630)
8980 (910)
4300 (430)
1490 (150)
Torque at maximal pressure, Nm (kgfm)
1st gear
2nd gear
3rd gear
4th gear

43880 (4470)
15270 (1550)
7310 (740)
2450 (250)
Torque at peak pressure, Nm (kgfm)
1st gear
2nd gear
3rd gear
4th gear

49050 (5000)
17070 (1740)
8170 (830)
2840 (290) 
Weight, kg
without hydraulic backup
with hydraulic backup

797 max
1750 max
Dimensions, mm
without hydraulic backup
with hydraulic backup

203011001130
203014301930

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