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Piling Rig
Our range of products include pile testing cylinder ptj series.
Pile Testing Cylinder Ptj Series
Product Price: Rs 1,00,000 / PieceGet Best Price
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Product Details:
| Maximum Piling Depth | More Than 100 m |
| Brand | Chindalia |
| Hole Diameter | >250 mm |
| Automation Grade | Automatic |
| Country of Origin | Made in India |
The PTJ Series pile-testing hydraulic cylinder is purpose-designed for static axial load tests of deep foundations such as piles and drilled shafts. It is a single-acting cylinder that applies a high-capacity vertical load through hydraulic pressure, with the return typically being by the weight of the reaction system or gravity. The body of the cylinder is fabricated from high-strength alloy steel (or equivalent) with a honed internal bore; the piston-rod is likewise crafted from high alloy steel and frequently finished with a hard-chrome plating to resist wear and corrosion. Seals and sealing elements are sized and rated for working pressures up to 700 bar (10,000+ psi) or more, and each unit is factory tested (often up to ~800 bar) and individually calibrated and certified.
Core features of this PTJ series include a large effective piston area to produce high loads, a spherical saddle or self-aligning load head to reduce damage or misalignment when loading eccentric pile heads, and a gauge port for connecting a pressure gauge to monitor the hydraulic input. The construction often uses bolted end-caps for very high-capacity units and includes safety devices such as internal relief valves to prevent over-pressure. Typical capacities run from hundreds to thousands of tons (e.g., 500 ton, 1000 ton, etc) with strokes of 150-200 mm (or more depending on model) to accommodate alignment and pile head deformation.
In use, the cylinder is placed between the top of the test pile (or a test cap on the pile) and the reaction frame or anchored beams. Hydraulic fluid is pumped into the cylinder until the required load is achieved, the load is held (sometimes via a mechanical lock-nut), and the pile head settlement or deflection is monitored over time under load. After the test load is removed, the hydraulic pressure is released and the cylinder retracts or is returned to its closed height. Because of its rugged design and high rating, the PTJ Series is well suited for demanding field conditions and heavy loads encountered in major foundation testing.
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