B500 BELT DRIVE

Specifications

• Maximum motor size: 40 hp/1200 rpm (364T/225S)

• Maximum polished rod torque: 600 ft-lb. Contact Oil Lift if additional torque is required

• Maximum recommended speed: 500 rpm

• Thrust bearing Ca 90 rating: 25,900 lbs

• Polished rod load rating: 13,700 lbs at 250 rpm for 50,000 hours

• Maximum driving sheave of 10.3” 4 groove and maximum driven sheave of 23.6” 4 groove

• Various polished rod sizes: 7/8”, 1”, 1-1/8”, 1-1/4” or 1-1/2”

• API 3-1/8” 3000 psi R31 studded mounting flange

• Approximate weight excluding motor: 700 lbs

Key Features

• Zero Spill© top mounted environmental stuffing box• Centrifugal brake• Compatible with Oil Lift’s patented continuous rod

technology• Available in a number of belt ratios and horsepower

ratings• Hinged belt guard and easily removed polished rod

guard

Options

• Stuffing Box leakage monitoring shutdown switch• Tachometer• Hydraulic motor capability• Alternate slow speed belt guard for a maximum

driving sheave of 11.8” 6 groove and maximumdriven sheave of 28” 6 groove

• Contact Oil Lift for additional options

ApplicationsOil Lift’s family of wellhead drives are engineered to offer Progressing Cavity Pump operators a drive to fit any application, regardless of the site’s needs, pre-existing equipment or well characteristics. With 9 different models, each available in a number of gear ratios, motor size and torque rating configurations. Our comprehensive line of drive heads is designed with longevity in mind in an effort to lower your total cost of ownership.

The Oil Lift Belt Drive is a belt driven PCP drive head, coupled with an oil immersed centrifugal braking system that allows a safe and controlled backspin. The patented top mounted field serviceable Oil Lift Zero Spill stuffing box is included as a standard for ease of service.

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