

Single Acting, Span Jacks
When it comes to reliable lifting solutions, Single Acting Span Jacks from BEMCO JACKS excel in performance and safety. Crafted from high-grade, hardened, and tempered alloy steel, these Hydraulic Span Jacks ensure durability in demanding environments. Designed for versatility, they feature a tilting saddle that allows for a maximum tilt angle of 5° and a spring return mechanism for faster retraction. The integrated lock nut provides secure mechanical load holding, while the side load capacity is 10% of the rated lifting capacity. Each Single Acting Span Jack is rigorously tested and adheres to ASME standards, with all exposed surfaces hard chrome plated and blackodized to prevent corrosion. For specialized needs, higher capacities and customized solutions are available upon request, making these jacks ideal for span lifting and lowering applications. Connect with us today to learn more about how our span jacks can benefit your projects. Join us on LinkedIn to stay informed about new product launches and updates!
Features:
- Jacks are made of high grade, hardened & tempered alloy steel material.
- Tilting saddle provided to allow a maximum tilt in angle load upto 5°.
- Spring return allows for faster retraction.
- Lock nut provided for mechanical load holding.
- Side load capacity is 10% of rated lifting capacity.
- Designed and tested as per ASME standards.
- All exposed surfaces are Hard chrome plated & blackodized for protection against corrosion.
Note:
- Higher capacity & customized solutions on request.
- Specifications are subjected to change due to continual improvement.
- Capacity & stroke specified are maximum safe limits. As safe practice, use at 80% of rating.
- Equipment to be operated by trained personnel.
- Do not change any factory settings.
- Do not dismantle the jack without consulting “Bemco Jacks”.
Application:
- Span Lifting /Lowering.
Pancake Type Threaded Ram Hydraulic Jack with Safety Lock Nut & spherical saddle(Spring Return) / Span Jack
Capacity : 100-600 ton / Stroke : 45 – 100mm / Max.operating pressure : 700 kg/cm2
| Model | Capacity (Ton) |
Stroke (mm) |
Effective Area (sq.cm) |
Oil Reqd (cc) |
Max. Working Pressure (Kg/sq.c |
Approx Weight (Kg) |
A Outer Dia (mm) |
B Saddle Dia (mm) |
C Closed Height (mm) |
| PSTS 100/60 | 100 | 60 | 153.94 | 924 | 650 | 39 | 180 | 110 | 210 |
| PSTS 100/100 | 100 | 100 | 153.94 | 1847 | 650 | 48 | 180 | 110 | 255 |
| PSTS 150/50 | 150 | 50 | 226.98 | 1362 | 660 | 59 | 210 | 140 | 225 |
| PSTS 150/100 | 150 | 100 | 226.98 | 2724 | 660 | 70 | 210 | 140 | 275 |
| PSTS 200/50 | 200 | 50 | 314.16 | 1885 | 640 | 88 | 250 | 150 | 200 |
| PSTS 200/100 | 200 | 100 | 314.16 | 3770 | 640 | 103 | 250 | 150 | 290 |
| PSTS 250/45 | 250 | 45 | 380.13 | 2281 | 660 | 111 | 280 | 180 | 220 |
| PSTS 250/75 | 250 | 75 | 380.13 | 4562 | 660 | 133 | 280 | 180 | 250 |
| PSTS 300/50 | 300 | 50 | 452.39 | 2714 | 663 | 150 | 300 | 190 | 275 |
| PSTS 300/100 | 300 | 100 | 452.39 | 5429 | 663 | 175 | 300 | 190 | 290 |
Capacity : 100-600 ton / Stroke : 45 – 100mm / Max.operating pressure : 700 kg/cm2
| Model | Capacity (Ton) |
Stroke (mm) |
Effective Area (sq.cm) |
Oil Reqd. (cc) |
Max. Working Pressure (Kg/sq.c |
Approx Weight (Kg) |
A Outer Dia (mm) |
B Saddle Dia (mm) |
C Closed Height (mm) |
| PSTS 400/50 | 400 | 50 | 572.56 | 3435 | 699 | 209 | 340 | 200 | 300 |
| PSTS 400/80 | 400 | 80 | 572.56 | 6871 | 699 | 240 | 340 | 200 | 330 |
| PSTS 500/50 | 500 | 50 | 754.77 | 4529 | 662 | 302 | 380 | 240 | 320 |
| PSTS 500/100 | 500 | 100 | 754.77 | 9057 | 662 | 341 | 380 | 240 | 395 |


