ZQ203-125 drilling tong with the following notable features: 
1. Jaw polite child with clutch to shift more stable and reliable. 
2 could not stop shift to the low-grade to high-conditioning; clamp can be the first to have the greatest positive and negative torque and rotational speed. 
3 automatic clamping in the body can guarantee that the new and old reliable tight joints card. 
4 with hydraulic lifting equipment. 
Technical parameters 
1. Maximum pressure hydraulic system: 18MPa    (2610psi)        The largest flow: 120 L / min (32 gpm)
2. Applicable hole diameter:    127-203mm (3½"-5½") 
  Drill pipe joints (8 ") Drill Collar 
3. Transfer cylinder largest Travel:   1500mm 
4. Low maximum torque:   125kN.m (92950 ft-lbs)
5. Luxury Maximum torque:   8.7kN.m (6469 ft-lbs)
6. Largest low speed:    2.2r/min                            The largest high-grade speed: 33r/min 
7. Dimensions (L * W *H): 1750*1060* 1680mm 
8. Shipments Quality: 2500kg  (5500 lbs)