Monostrand Hollow Ram Jacks Suppliers

Monostrand hollow ram jacks are hydraulic jacks designed for applications involving pre-stressing and post-tensioning of concrete structures. They also pull and lock high-tensile threaded bars in construction projects.

Monostrand hollow ram jacks are essential for achieving optimal strength, durability, and performance in concrete structures. They are easy to use, safe, and reliable. They can help you save time, money, and resources in your construction projects.

Orione Hydropower is a leading manufacturer and supplier of Monostrand Hollow Ram Jacks in Navi Mumbai, Maharashtra, India. Our high-end designs are made of metal to prevent corrosion and withstand wear. As a trusted manufacturer in Navi Mumbai, we use only the finest quality materials to deliver the best options to our customers. Please browse our website and place your order according to your preferences.

monostrand hollow ram jack

Features and Benefits of Monostrand Hollow Ram Jacks

Monostrand hollow ram jacks have distinctive attributes and benefits that make them suitable for their intended purposes. Some of these are:

  • They have a hollow piston rod that allows the passage of a steel strand or bar through the jack's center. It enables the jack to grip and apply tension to the strand or bar without damaging it.
  • They have a high capacity ranging from 5 to 30 tons, depending on the model. It allows them to handle heavy loads and achieve high pre-stressing or post-tensioning force levels.
  • Depending on the model, they have a long stroke ranging from 750 to 900 mm. It allows them to accommodate different lengths of strands or bars and achieve different levels of elongation.
  • They have a single-acting spring return mechanism that automatically retracts the piston rod after releasing the pressure. It facilitates easy operation and reduces manual labor.
  • They have composite guide rings at the piston and gland nut that facilitate smooth movement and prevent lateral loading. It enhances the durability and performance of the jack.
  • They have an alloy steel construction that ensures strength and reliability. They also have an anti-corrosion coating that protects them from rust and wear.
  • Applications of Monostrand Hollow Ram Jacks

    Monostrand hollow ram jacks are hydraulic jacks with a hollow piston rod that allows a cable or rod to pass through them. They are used for various applications in construction, such as:

    Pile Load Testing

    Monostrand hollow ram jacks can be used to apply axial loads on piles and test their bearing capacity and settlement. The jack is placed over the pile head and connected to a hydraulic pump and a load cell. The cable or rod passes through the jack and is anchored at the bottom of the pile. As the jack applies pressure, the load cell measures the force and displacement of the pile.

    Pre-Tensioning

    Monostrand hollow ram jacks can be used to pre-tension concrete structures such as beams, slabs, bridges, etc. Pre-tensioning involves stretching steel tendons before casting concrete around them. It creates compressive stress in the concrete and improves its strength and durability.

    The jack is placed over one end of the tendon and connected to a hydraulic pump and a pressure gauge. The cable or rod passes through the jack and is anchored at the other end of the tendon. As the jack applies tension, the pressure gauge measures the force applied to the tendon.

    Post-Tensioning

    Monostrand hollow ram jacks can be used to post-tension concrete structures after they have been cast. Post-tensioning involves applying tension to steel tendons embedded in concrete after it has hardened. It creates additional compressive stress in the concrete and reduces cracking and deformation.

    The jack is placed over one end of the tendon and connected to a hydraulic pump and a pressure gauge. The cable or rod passes through the jack and is attached to a wedge plate at the other end of the tendon. As the jack applies tension, the wedge plate grips the tendon and locks it.

    Monostrand hollow ram jacks are available in different capacities, strokes, sizes, and models depending on the application requirements. They offer advantages such as high efficiency, low maintenance, easy operation, and versatility.

    How to Use Monostrand Hollow Ram Jacks

    Monostrand hollow ram jacks are used with a hydraulic pump, hose, gauge, manifold, wedge grips, anchorages, strands or bars, and other accessories as part of a complete pre-stressing or post-tensioning system. The general steps for using mono strand hollow ram jacks are:

  • Connect the jack to the hydraulic pump with a hose and attach a gauge to monitor the pressure.
  • Insert one end of the strand or bar via the hole in the middle of the jack's piston rod until it reaches the wedge grip at the other end. The wedge grip is designed to securely hold the strand or bar without slipping.
  • Place another wedge grip on an anchorage at one end of the concrete structure where you want to apply pre-stressing or post-tensioning force. The anchorage is designed to transfer the pressure from the strand or bar to the concrete system without failure.
  • Attach another end of the strand or bar to the wedge grip on the anchorage with some slack left between the jack and the anchorage.
  • Start the hydraulic pump and increase the pressure until the desired pre-stressing or post-tensioning force level is achieved. The gauge will indicate the pressure corresponding to the force applied by the jack on the strand or bar. The strand or bar will elongate as the jack stretches it.
  • Lock the wedge grip on the anchorage by releasing the pressure slightly until it clamps onto the strand or bar firmly. It will maintain the pre-stressing or post-tensioning force on to concrete structure even after disconnecting the jack.
  • Disconnect to jack from to hydraulic pump with to hose and remove it from to stand or bar by pulling it back through the hole in its piston rod.
  • Why Choose Orione Hydropower?

    Are you looking for high-quality monostrand hollow ram jacks for your construction projects? In that case, you can find them at Orione Hydropower Hydraulic Equipment For Construction Application. We are reputable manufacturers and suppliers in India. We offer various models of monostrand hollow ram jacks with different capacities, strokes, sizes, weights, prices, and features.

    Orione Hydropower has built a solid customer base by specializing in application solutions, timely delivery of hydraulic products, and sales service of Hydraulic jacks, Hydraulic Systems, Hydraulic Power Pack, and elements for almost all industries such as Machine Tools, Steel Plants, Cement Industries, Process Industries, Constructions, and OEM.

    The organization's primary goal is to provide high-quality, dependable services to industries. The purpose of the product and creating cost-effective solutions that fulfill or surpass our customers' expectations are the focus of our thoughts and activities, not the product itself.

    Orione Hydropower is a leading producer, supplier, exporter, and trader of Monostrand Hollow Ram Jacks in Navi Mumbai, India. This Monostrand Hollow Ram Jacks is available across India. Please quote here if you have this product!

     Multi Strand Stressing Jack Capacity 100 - 300 mm 7T13, 12T13, 19T13, 42T13

    Multi Strand Stressing Jack Capacity 100 - 300 mm 7T13, 12T13, 19T13, 42T13

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    Monostrand Hollow Ram Jack 25 ton Stroke 220 mm

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    Monostrand Hollow Ram Jack Range - 5 - 30 ton Stroke 750 - 900 mm

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