Hydraulic Tongs

NOV Sara Hydraulic Tongs are available in a variety of models, sizes and types to handle casings, drill collars, sucker rods and tubing including chrome tubulars and can be supplied with hydraulic or manual backup assemblies.

Computerized Torque Control System
Microprocessor based systems for providing computerized analysis of each joint and compete string. Provides graphic analysis of torque Vs. turn, torque Vs. time and various other options.
     
Zone I-Electric Power Unit
Technical Specifications

* Pump: Variable delivery axial piston pump
* Engine: 50hp (37KW) Eexd electric motor
* Cooler: thermostatically controller hydraulic oil cooler
* Electric Supply: 3 phase 415/480 volts 50/60 Hz
* Hydraulic Output: 2,500 psi (172bar) or 35 gpm (160 litres per minute)

Dimensions

 * Size: 4'9" long x 4'9" wide x 4'x 9" high (1,500mm long x 1,500mm wide x 1,500mm high)
 * Weight: 5,060 lbs (2,300 kg)

 
Zone II - Diesel Power Unit
Technical Specifications

 * Cooler: Combined water cooled manifold / exhaust cooler
 * Flame Arrestor: Exhaust gas flame and spark arrester, inlet air flame arrester, crank case vent flame arrester
 * Fan and Fan Belts: Non-metallic radiator fan and antistatic fan belts
 * Protection Device: Over-speed protection device operating an inlet air cutt-off
 * Pressure and Temperature Trips: Low lubricating oil pressure, high cooling water temperature and high exhaust temperature trips
* Caps: Screw caps to dipstick and oil filter caps
* Engine: 6 Cylinder Diesel
* Hydraulic Output: 2,500 psi (172 bar) or 35 gpm (160 liters per minute)
* Starter: Air-operated.

Dimensions

* Size: 8'9" long x 4'3" wide x 5'6" high (2,700mm long x 1,300mm wide x 1,700mm high
* Weight: 6,600 lbs (3,000 kg)