Double-acting hydraulic cylinder Poltek is a device which allows forcibly (using oil pressure) to move the hydraulic cylinder rod in two directions. Hydraulic jacks are indispensable when installing or dismantling heavy equipment, structures, for lifting heavy machines and equipment from the plane, in construction, and are also used when repairing large units of various equipment, pushing and returning with hydraulic force, as a driving element in equipment.
The jack's operation is based on the principle of oil pressure on the piston, due to which a large lifting force is achieved. The advantages of hydraulic jacks are high lifting capacity, smooth running, compactness and reliability of the design.
A distinctive feature of hydraulic cylinders is that they work in tandem with an electric oil station, also double-acting (dual-circuit pump).
Our company offers only high-quality products tested in real working conditions. All hydraulic jacks are tested before sale, are accompanied by a guarantee, passport and operating instructions.
Attention! Pump for inflation is not included in the kit. You can purchase it separately - Pump for hydraulic cylinders.

|
Model
|
Load capacity
|
Inner cylinder diameter, (F)
|
External cylinder diameter, (D)
|
Rod stroke
|
Weight
|
Overall height (min), (A)
|
Recommended pump brand
|
|
tn.
|
mm
|
mm
|
mm
|
kg
|
mm
|
|
YDRR-5500
|
5
|
25
|
45
|
500
|
5.7
|
590
|
CP-700S, ZCB-700AB, DB-D2
|
|
YDRR-51000
|
5
|
25
|
45
|
1000
|
12.1
|
1090
|
|
YDRR-10500
|
10
|
30
|
55
|
500
|
8.5
|
610
|
|
YDRR-101000
|
10
|
30
|
55
|
1000
|
13.9
|
1110
|
|
YDRR-20500
|
20
|
35
|
75
|
500
|
15.6
|
610
|
|
YDRR-201000
|
20
|
35
|
75
|
1000
|
24.5
|
1110
|
|
YDRR-50200
|
50
|
78.6
|
140
|
200
|
34.6
|
350
|