Crank balance pumping units conform to API Spec.11E Specification for Pumping Units and other relative API standards
This API crank balance Pumping Units is conventional walking beam pumping units, it is the type of power equipment on the ground used in rod oil extraction.
Crank balance pumping units conform to API Spec.11E Specification for Pumping Units and other relative API standards, acquired the authorization to use Official API Monogram.
Technical Performances
High reliability, simple operation, easy maintenance, long service life.
Gear reducer is involute herring-bone gearing, work smoothly and reliably.
Complete machine with light weight, its convenient for installation and transportation.
| model | C114D-173-64 | C160D-200-74 | C228D-246-86W | C320D-256-120 | C456D-305-144 | |
| load rating(lbs) | 17300 | 20000 | 24600 | 25600 | 30500 | |
| spec. | stroke length (in) | 64 52 40 | 74 64 53 | 86 70 54 | 120 102 84 | 144 123 102 |
| Max.stroke frequency(spm) | 20 | 20 | 10 | 15 | 14 | |
| rating(In-lbs) | 114000 | 160000 | 228000 | 320000 | 456000 | |
| balance type | crank balance | crank balance | crank balance | crank balance | crank balance | |
| pitman arms | straight pitman arms U connecting on top | straight pitman arms U connecting on top | straight pitman arms 2 long bolt on base | straight pitman arms U connecting on top | straight pitman arms U connecting on top | |
| base | base requirment | whole,broad base | whole,broad base | 2 separate,base for equal high and width | 2 separate,high base | 2 separate,high base |
| reducer | rating circumgyrate direction | 114000In-lbs bidirectional | 160000In-lbs | 228000In-lbs bidirectional | 320000 In-lbs bidirectional | 456000 In-lbs bidirectional |
| model rate | 114D | 160D | 228D 28.8731 | 320D | 456D | |
| lube | winter120#,summer200# | winter120#,summer200# | winter120#,summer200# | winter120#, summer200# | winter120#,summer200# | |
| externality dimension length×width×height(in | 326.2×78.74×193.7 | 381.5×94.5×236.6 | 378.35×85.75×247.72 | 400×91.3×300.8 | 445×106×329 | |
| total weight(lbs)not including motor | 2795512680 | 3167514368 | 3520016800 | 4414320023 | 5851026540 | |
