The UL long Stroke pumping units takes full advantages of all pumping units by years of research and development. As an unique engineering breakthrough, the 100% mechanical UL is specially suitable for producing high volume fluid in deep wells with rod pumps. It shows high efficiency, reliability and energy saving.
| 1 Skid | 13 Top sprocket enclosure | 25 Idler sprocket |
|---|---|---|
| 2 Standing strut | 14 Top ladder | 26 Tower |
| 3 Wire-mesh safety fence | 15 Crown shipping strut | 27 Chain |
| 4 Prime mover | 16 Top ladder cage | 28 Hanger bar |
| 5 V-belt/belt guard | 17 Top platform | 29 Counterweight doors |
| 6 Reducer | 18 Crown | 30 Drive sprocket |
| 7 Bottom ladder | 19 Top drum | 31 Rod rotator |
| 8 Rear-access platform | 20 Hood | 32 Front platform |
| 9 Ladder to rear-access platform | 21 Load belt | 33 Tower base |
| 10 Brake/brake guard | 22 Wind guards | 34 Concrete base |
| 11 Bottom ladder cage | 23 Counterweight box | |
| 12 Mid-tower platform | 24 Carriage frame/traversing mechanism |
Dimensions Data
A:Total unit height from bottom of base to top of hood
B:Distance from bottom of tower base to bottom of rod-hanger bar
C:Distance from bottom of base to top of front platform
D:Distance from well center to front of tower base
| Model | A | B | C | D |
|---|---|---|---|---|
| 228-265-236 | 434.97 in.(11.05 m) | 80 in.(2.03 m) | 48 in.(1.22 m) | 6.5 in.(0.17 m) |
| 250-300-288 | 486.70 in.(12.63 m) | 84.6 in.(2.15 m) | 47.9 in.(1.22 m) | 5.78 in.(0.15 m) |
| 350-360-291 | 482.48 in.(12.26 m) | 73.23 in.(1.86 m) | 49.88 in.(1.27 m) | 5.38 in.(0.14 m) |
| 350-500-306 | 533.03 in.(13.54 m) | 86.94 in.(2.21 m) | 54.4 in.(1.38 m) | 5.38 in.(0.14 m) |
| 350-500-366 | 593.03 in.(15.06 m) | 86.96 in.(2.21m) | 54.4 in.(1.38 m) | 5.38 in.(0.14 m) |
| 500-600-366 | 594.7 in.(15.11 m) | 85.4 in.(2.17 m) | 54.4 in.(1.38 m) | 7.22 in.(0.18 m) |
| 500-500-416 | 643.03 in(16.33 m) | 86.96 in.(2.21m) | 54.4 in.(1.38 m) | 5.38 in.(0.14 m) |
General Specifications
| Model | 228-265-236 | 250-300-288 | 350-360-291 |
|---|---|---|---|
| Reducer rating | 228,000 in-lb | 250,000 in-lb | 350,000 in-lb |
| Structure rating | 26,500 lbs | 30,000 lbs | 36,000 lbs |
| Stroke length | 236 in | 288 in | 291 in |
| Maximum pumping speed | 5 SPM | 4.5 SPM | 4.5 SPM |
| Minimum pumping speed | No minimum for short-term operation | ||
| Minimum counterbalance | 6,450 lb (2,926 kg) |
7,000 lb (3,175 kg) |
8,715 lb (3,953 kg) |
| Auxiliary counterbalance | 14,880 lb (6,749 kg) |
18,000 lb (8,165 kg) |
21,528 lb (9,765 kg) |
| Total ECB | 21,330 lb (9,675 kg) |
25,000 lb (11,340 kg) |
30,243 lb (13,718 kg) |
| Unit Dimensions LxWxH | 18.1×11.5×36.4 ft (5.5×3.5×11.1 m) |
23.1x11x40.6 ft (7.0×3.4×12.4 m) |
21.6×11.3×39.5 ft (6.6×3.4×12.1 m) |
| Unit Shipping Size LxWxH | 34.6×8.2×9.7 ft (11.1×2.5×2.95 m) |
40.7×7.8×9.8 ft (12.4×2.5×2.9 m) |
39.7×8.3×10.2 ft (12.1×2.6×2.9 m) |
| Unit Shipping Weight | 36,222 lb(16,430 kg) | 42,384 lb(19,225 kg) | 58,385 lb(26,483 kg) |
| Concrete Base Dimensions | 21×7.4×1 ft (6.4×2.3×0.3 m) |
21×7.4×1 ft (6.4×2.3×0.3 m) |
24×8.5×1 ft (7.3×2.6×0.3 m) |
| Concrete Base Weight | 22,250 lb (10,190 kg) |
22,250 lb (10,190 kg) |
29,000 lb (13,154 kg) |
| Concrete Nose Pad Dimensions | 60″x137.2″ | 60″x137.2″ | 60″x137.2″ |
| Concrete Nose Pad Weight | 8,921 lb (4,046 kg) |
8,921 lb (4,046 kg) |
8,921 lb (4,046 kg) |
| Working Temperature | -40°F to 140°F (-40°C to 60°C) | ||
| Load Belt Dimensions | 0.44″x39.37″x324.36″ | 0.44″x39.37″x373.08″ | 0.44″x42″x383″ |
| Load Belt Tensile Strength | 1,800N/mm | 1,800N/mm | 1,800N/mm |
| Automatic brake | YES | YES | YES |
| Hydraulic Rollback System | YES | YES | YES |
| Model | 350-500-306 | 350-500-366 | 500-600-366 |
|---|---|---|---|
| Reducer rating | 350,000 in-lb | 350,000 in-lb | 500,000 in-lb |
| Structure rating | 50,000 lbs | 50,000 lbs | 60,000 lbs |
| Stroke length | 306 in | 366 in | 366 in |
| Maximum pumping speed | 4.3 SPM | 3.7 SPM | 3.7 SPM |
| Minimum pumping speed | No minimum for short-term operation | ||
| Minimum counterbalance | 9,700 lb (4,400 kg) |
9,700 lb (4,400 kg) |
12,170 lb (5,520 kg) |
| Auxiliary counterbalance | 29,600 lb (13,426 kg) |
29,600 lb (13,426 kg) |
29,600 lb (13,426 kg) |
| Total ECB | 39,300 lb (17,826 kg) |
39,300 lb (17,826 kg) |
41,770 lb (18,946 kg) |
| Unit Dimensions LxWxH | 27.3×11.9×44.3 ft (8.3×3.6×13.5 m) |
27.3×11.9×49.3 ft (8.3×3.6×15.1 m) |
27.3×11.9×49.6 ft (8.3×3.6×15.1 m) |
| Unit Shipping Size LxWxH | 44.5×8.7×10.2 ft (13.6×2.6×3.1 m) |
49.3×8.7×10.2 ft (15.1×2.6×3.1 m) |
49.7×8.7×10.4 ft (15.14×2.6×3.13m) |
| Unit Shipping Weight | 61,782 lb (28,024 kg) |
64,210 lb (29,125 kg) |
70,195 lb (31,840 kg) |
| Concrete Base Dimensions | 24×8.5×1 ft (7.3×2.6×0.3 m) |
24×8.5×1 ft (7.3×2.6×0.3 m) |
24×8.5×1 ft (7.3×2.6×0.3 m) |
| Concrete Base Weight | 29,000 lb (13,154 kg) |
29,000 lb (13,154 kg) |
29,000 lb (13,154 kg) |
| Concrete Nose Pad Dimensions | 60″x137.2″ | 60″x137.2″ | 60″x137.2″ |
| Concrete Nose Pad Weight | 8,921 lb (4,046 kg) |
8,921 lb (4,046 kg) |
8,921 lb (4,046 kg) |
| Working Temperature | -40°F to 140°F (-40°C to 60°C) | ||
| Load Belt Dimensions | 0.44″x50″x406″ | 0.44″x50″x466″ | 0.44″x50″x516″ |
| Load Belt Tensile Strength | 1,800N/mm | 1,800N/mm | 1,800N/mm |
| Automatic brake | YES | YES | YES |
| Hydraulic Rollback System | YES | YES | YES |
| Model | 500-500-416 |
|---|---|
| Reducer rating | 500,000 in-lb |
| Structure rating | 50,000 lbs |
| Stroke length | 416 in |
| Maximum pumping speed | 3.2 SPM |
| Minimum pumping speed | No minimum for short-term operation |
| Minimum counterbalance | 9,700 lb(4,400 kg) |
| Auxiliary counterbalance | 29,600 lb(13,426 kg) |
| Total ECB | 39,300 lb(17,826 kg) |
| Unit Dimensions LxWxH | 29.4×11.9×53.5 ft (8.9×3.6×16.3 m) |
| Unit Shipping Size LxWxH | 53.5×8.7×10.2 ft (16.3×2.6×3.1 m) |
| Unit Shipping Weight | 69,455 lb(31,505 kg) |
| Concrete Base Dimensions | 24×8.5×1 ft(7.3×2.6×0.3 m) |
| Concrete Base Weight | 29,000 lb(13,154 kg) |
| Concrete Nose Pad Dimensions | 60″x137.2″ |
| Concrete Nose Pad Weight | 8,921 lb(4,046 kg) |
| Working Temperature | -40°F to 140°F (-40°C to 60°C) |
| Load Belt Dimensions | 0.44″x50″x516″ |
| Load Belt Tensile Strength | 1,800N/mm |
| Automatic brake | YES |
| Hydraulic Rollback System | YES |