HVT350A Hydraulic Breakout Tong,Drill Pipe/Rods Shackle System for Horizontal Directional Drilling. HVT350A Main Technical Parameters 1. Through hole: 13 inches 2. Diameter of clamping tube: 6~12in 3. Suitable drill pipes: 5in; 5 1/2in; 6 5/8in; 7 5/8in 4. Shackle torque: 350KN.m 5. Tightening torque: 240KN.m 6. Inclination angle: 5°~15° 7. Spacer between support heads: 13 inches 8. Main clamping cylinder: …
