V. Cementing Tools - e. Surface Ball Drop Sub

The Surface Ball Drop Sub by Allamon Tool Company is the simplest and safest ball drop sub in the industry. With a simple 90° turn by the service technician the ball is released into the drill pipe. There are no parts protruding into the ID of the sub at any time so passing of drill pipe darts is safe and reliable. There are no welds on pressure containing or loading carrying members of the sub. Features/Benefits Non-welded design Simple function for safety and reliability Surface Ball Drop Sub Series OD (in.) Minimum ID (in.) Tensile Rating (kips) Torque Rating (ft-lb) Pressure Rating (psi) Ball Size (in.) 100 10.25 3.06 2,700 150,000 7,500 1.75-2.50 200 8.00 3.00 1,800 60,000 7,500 1.50-2.00