Double Acting Multi Strand Jacks

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Double Acting Multi Strand Jacks Specification

Product Type
Double Acting Multi Strand Jack

Material
High Strength Alloy Steel

Lifting Capacity
150 kN to 4000 kN (as per model)

Application
Pre-stressing and tensioning of tendons in concrete structures

Weight
From 7.2 kg (Model: MSJ - 150 kN) up to 120 kg (Model: MSJ - 4000 kN)

Color
Black with metallic finish

Features
Double-acting; Built-in anchor; Compact design; Suitable for multiple strand operations; Hardened alloy steel construction; Easy maintenance

Tendon Dia. Range
5 mm to 32 mm (Model dependent)

Max. Working Pressure
620 bar

Stroke (Standard)
200 mm

Area of Ram
Varies from 30.1 cm2 (MSJ-150 kN) to 509.0 cm2 (MSJ-4000 kN)

Industries Used In
Construction, Civil Engineering, Bridge Building, Heavy Lifting

Oil Capacity
Varies by model, e.g., 0.4 litres (MSJ-150 kN) up to 16.2 litres (MSJ-4000 kN)

About Double Acting Multi Strand Jacks

We feel proud to introduce ourselves as a reliable company, engrossed in manufacturing and exporting the broad gamut of Double Acting Multi Strand Jacks. At our well-developed production unit, this is precisely manufactured using optimum grade materials in adherence with the predefined norms of quality. It is available in a low profile, spring return ram type construction. Manual in operation, this has applications in petrochemical, paper, oil and gas, and marine industries. In addition, this Strand Jacks can be customized as per the information provided by our customers.

The double acting multi strand jack available in 630 bar maximum working pressure, 200-680 tons capacity and 100-300 mm stroke length features internal wedgelock cylinder. Customers can avail from us higher capacity double acting multi strand jacks.

Engineered for Heavy-Duty Performance

These jacks are crafted from hardened alloy steel to deliver reliable and consistent force for heavy lifting and pre-stressing operations. Whether used in construction sites or civil engineering projects, they ensure precise tensioning of multiple strands, making them vital for bridge building and large structural work.

Versatility Across Industries

With models supporting lifting capacities between 150 kN and 4000 kN, and compact weights from 7.2 kg to 120 kg, these jacks are adaptable across various tasks. Their double-acting design and built-in anchor facilitate efficient, multi-strand tensioning, catering to construction, infrastructure development, and industrial lifting needs.

FAQ's of Double Acting Multi Strand Jacks:

Q: How are Double Acting Multi Strand Jacks used in the pre-stressing of concrete structures?

A: These jacks are used to apply precise tension to tendons embedded within concrete, enhancing the structural integrity of bridges and other concrete constructions during pre-stressing operations.

Q: What is the process for operating these jacks during multi-strand tensioning?

A: The process involves positioning the jack over the tendon strands, connecting the hydraulic pump, and using the double-acting mechanism to extend and retract the ram, ensuring even tension across all strands.

Q: When should Double Acting Multi Strand Jacks be selected for a project?

A: Choose these jacks when you need to tension multiple tendons simultaneously in large structural projects, particularly where high force, reliability, and safety are paramount.

Q: Where are these jacks commonly deployed in industry?

A: They are widely utilized in construction sites, civil engineering projects, bridge building, and heavy lifting applications requiring powerful and precise tensioning.

Q: What are the benefits of the built-in anchor and compact design?

A: The built-in anchor ensures secure positioning during operation, while the compact design allows for easy handling in tight or complex work environments.

Q: How does the jack's model affect its lifting capacity and oil requirements?

A: Each model offers a different lifting capacity (ranging from 150 kN to 4000 kN) and corresponding oil capacity, allowing you to select the right jack for your project's load needs.

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