Our aim is to provide the major equipment and accessories required for the construction of above-ground vertical tanks. Jacking systems are used around the world in the USA, Latin America, South America, Europe, the CIS, Africa, the Middle East, Australia, Asia, etc. Storage tanks are erected globally using a hydraulic tank jacking system. Along with this, the top-down tank erection considerably cuts construction time and cost. As most work is done at ground level, permitting faster erection times and reducing the risk of accidents. Requires no crane, needs less manpower, and saves money, time, and effort. We are a prominent manufacturers, suppliers and exporters of Hydraulic Jacking System, Hydraulic Jacking Equipments, Car Parking Systems, Hydraulic Lifting System, EOT Crane. Astha Group manufactures products using High Quality and Durable Materials.
The Tank jacking system is used worldwide in the USA, Latin America, South America, Europe, the CIS, Africa, the Middle East, Australia, and Asia. Storage tanks are erected globally using a hydraulic tank jacking system. Along with this, the top-down tank erection considerably cuts construction time and cost. As most work is done at ground level, permitting faster erection times and reducing the risk of accidents. Requires no crane, needs less manpower, and saves money, time, and effort.
Each jack has two pairs of case-hardened grip jaws fabricated using top-grade steel. At any point in time, either one of the pairs is engaged or locked. While lifting, both pairs are in the "locked" position. In this position, the jack can only move upward. Therefore, the tank cannot fall when held by the jacks.
Replacing tank bottom plates and/or annular plates
The cost of the hydraulic jacking systems and equipment can be recovered after constructing 3 to 4 storage tanks ..
These jacks use a lifting hook instead of a lifting arm. The hook holds and lifts the tank shell from the base edge of the plate;
Astha Group offers complete solutions for any storage tank project, be it erecting a 100-metre-diameter floating roof tank,
After lifting the tank with our jacking system and placing a shell plate, vertical welds are finished manually or with the FCAW welding ,
The basic spares can be ordered with the jacking equipment. By and large, additional spares
In order to deliver a world-class quality product, strict quality control measures are adhered to
Can the power pack be placed outside the tank?
The basic spares can be ordered with the jacking equipment. By and large, additional spares are seldom required,
Erecting a storage tank using hydraulic jacking systems and equipment is the safest way. Most work is done at ground level, reducing the risk of accidents. There has not been a single reported mishap in the last 20 years, which prove its credibility as being the safest and most preferred method for storage tank construction, discarding the need for a tall boom crane.
More than 300 tanks have been erected using our hydraulic jacking systems and equipment in the following industries: oil refineries, petrochemical plants, fertiliser plants, power generating stations, petroleum product installations and depots, and bulk liquid storage terminals at ports. The largest diameter tank erected using our hydraulic jacking systems and equipment was a 92-metre-diameter tank, and the heaviest tank was one weighing 1900 tonnes.
Welding inspectors can now conduct ultrasonic or other non-destructive tests on welds at ground level, facilitating ease of inspection and hence better quality control. No more climbing up to precarious positions for welding inspectors!
The cost of the hydraulic jacking systems and equipment can be recovered after constructing 3 to 4 storage tanks or by erecting about 1200 tonnes of tankage. Hydraulic jacking systems and equipment cost around USD 50 per tonne for 1200 tonnes. Example: A tank of 30 m in diameter weighing about 300 tonnes needs 30 jacks of 12 tonnes each. The full cost of hydraulic jacking systems and equipment is recovered in four such tanks.
| Description | Model | AIEIPL-12-MT-DA | AIEIPL-12-MT-SA | AIEIPL-18-MT-DA | AIEIPL-25-MT-DA |
|---|---|---|---|---|---|
| Working Capacity | (metric tons) | 12 | 12 | 18 | 25 |
| Standard arc distance between jacks (m) | 1.80 to 3.0 | ||||
| Max plate height for which jacking equipments can be supplied (m) | 2.5 or 3.0 or more | ||||
| Min plate height that can be used (m) | 1.00 | ||||
| Min safe bearing capacity below trestle base plate (N/mm2) | 1.45 | ||||
| Plate thickness range (mm) | 5 to 40 | 6 and above | |||
| Unitary climb (cm/stroke) Unitary climb (cm/stroke) | 10 | ||||
| Time per stroke (minutes) | Approx 5 | ||||
| Working pressure (kg/cm2) | 120 | 135 |
The hydraulic tank jacking systems and equipment are supplied with single jack lifting capacities of 12 and 25 tonnes.
The standard hydraulic tank jacking system and equipment can be used for a minimum shell plate width (height) of 1400 mm and a maximum of 2500 mm.
For shell plates of more than 2500 mm width (height), jacking systems can be supplied against specific requirements. Storage tanks with different types of roofs (floating roof, fixed roof, suspended deck roof, column-supported roof) Gasholder tanks Horton spheres or spherical tanks for storage of propane and ammonia in gaseous form Cryogenic tanks for storage of propane and ammonia at cryogenic temperatures.
Smallest diameter of tank erected using hydraulic jacking systems or equipment: 6 mtrs.
Largest diameter of tank erected using hydraulic jacking systems or equipment: 92 mtrs.
Maximum weight of tank erected using hydraulic jacking systems or equipment: 1900 tonnes (*) These are the minimum and maximum dimensions or parameters of some tanks that have actually been erected; however, these are not limiting figures.
The jack is a fail-safe device. Even in the event of a hydraulic seal, the mechanical grip jaws prevent the jack from moving downward and will hold the jack in the same position on the trestle rod. In the event of a hose rupture during lifting, lifting should be stopped and the hose replaced. The jacks do not slip downward with the load, even if the hose bursts. Prior to dispatch, each jack is load tested at 1.5 times its rated capacity and kept under load for 3 to 5 minutes. On customer request, the load test can be witnessed by a third-party inspection agency like Bureau Veritas, SGS, Germanischer Lloyd, or the like. Each jack has two pairs of case-hardened grip jaws made of a special grade of steel. At any given point in time, either one of the pairs is engaged or locked. During lifting, both pairs are in a "locked" position. In this position, the jack can only move upward. Remove any unsuitable material and replace with suitable fill, then thoroughly compact the fill inside the concrete ring or crushed stone ringwall and lay a layer of minimum 75 mm thick compacted, clean sand above the fill, as per Figures B-1 and B-2 on Pages B-3 and B-4 of API 650 (see below). The bearing pressure below the trestle base plate above the tank bottom plate shall be at least 1.45 N/mm2, else the trestle base plate surface area shall be made larger.
On customer request, the stability of the tank under jacking is checked by design calculation, considering the diameter, height, weight, and number of jacks used. The maximum safe wind speed at which it is safe to jack up a tank is determined using these calculations. During the lifting of a tank using jacks, an oil cushion is formed since all jacks are connected to each other hydraulically. This implies that no single jack will be subject to an excessive load. In the event of uneven lifting, which at any time can be to the maximum extent of the stroke length of the jack, which is 100 mm, individual jacks can be shut off using a stopcock valve to make any adjustments during lifting. On specific request, motors and starters for power packs are supplied with the "CE" mark.
Load on hydraulic jacks SHALL NEVER EXCEED the safe working load. Arc spacing between trestles shall not exceed 3.00 m; otherwise, contact our technical support. If the ratio of height to diameter is greater than 1, contact our technical support. The safe bearing capacity above the tank bottom plate (below the trestle base plate) shall be at least 1.45 N/mm2, otherwise contact technical support. Overload or misuse of Jacking equipment can cause PROPERTY DAMAGE, BODY INJURY OR DEATH. Before selecting the type and number of jacks for any tank project or before operating the jacking equipment, read our instructions and this safety section carefully and understand the information contained therein.
A specialist can be deployed to the site to train the customer’s site personnel in the commissioning and use of the hydraulic jacking equipment.
On customer request, the stability of the tank under jacking is checked by design calculation, considering the diameter, height, weight, and number of jacks used. The maximum safe wind speed at which it is safe to jack up a tank is determined using these calculations.
The operation manual is available on this site. A video demonstration showing step-by-step set-up procedures and operating instructions for the jacking equipment is also available on this site.
On customer request, a drawing showing the hose connection for a specific tank can be provided. A sample drawing for a tank is available for reference on this site.
An appropriate grade and type of hydraulic oil to be used for the jacks depending on the ambient temperature is suggested. Different Voltages and Frequency of Electric Supply for Different Countries Motors with different voltages and frequencies can be supplied to suit the power supply available at the customer's project location.
The basic spares can be ordered with the jacking equipment. By and large, additional spares are seldom required; however, they are promptly dispatched by courier to any part of the world at short notice.
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Astha Infra Engg (I) Pvt. Ltd. is the pioneer and the oldest, and a leading supplier of Hydraulic jacking systems/types of equipment for tank erection.
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