Technical specification of W-440 triple cylinder single action pump

Rated output power 324 kw (440 HP)

Maximum strokes per minute 320 strokes per minute (320 SPM)

Strokes per minute for continuous runs 220 strokes per minute (220 SPM)

Stroke 152.4 mm (6″)

Gear ratio 4.578:1

Maximum working pressure 35 MPa

Cavity API #4

Maximum liner diameter 4 1/2″

Suction pipe orifice 6″ (150#) flange

Discharge pipe orifice 2 ⁹/₁₆-5000Psi flange

Diameter of pinion shaft 95.25 mm (3.75″)

Key 22.174x15.9mm

Overall dimension (main frame): 2483X1219X1315 mm

Weight (main frame) 3950 kg

Structure:

W-440 triple cylinder single action pump is widely used for different operations. The liners with specification of 31/2"-41/2" should be of piston structure, suitable for well workover and shallow-water well drilling; and the liners with specification of 31/4"-2 should be of plunger piston structure, suitable for high pressure operation.

Drawing: