Gravity Return Type Jack

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Gravity Return Type Jack Specification

Product Type
Gravity Return Type Jack

Material
High-grade alloy steel body, hard chrome plated piston

Lifting Capacity
5 to 300 tons (depending on model)

Handles
Forged handles for easy portability on some models

Withstand Voltage
1,000 V AC for 1 minute

Application
Used for lifting heavy loads, pushing, pulling, and straightening work in construction, shipbuilding, and maintenance.

Insulation Resistance
500 M or more at 500 VDC

Height
Varies by model (e.g., 66 mm to 240 mm)

Weight
Varies by model (e.g., 3.6 kg to 78.5 kg)

Color
Yellow

External Diameter
Varies by model

Seal Type
High pressure-resistant seals

Oil Capacity
Varies by model (e.g., 0.1 L to 4.5 L)

Minimum Height
66 mm (smallest model)

Maximum Height
390 mm (largest model with full stroke)

Return Type
Gravity return

Mounting Type
Flat base

Surface Finish
Powder coated/yellow enamel for corrosion resistance

Operating Pressure
700 bar (10,000 psi)

Piston Diameter
Varies by model

Stroke Length
Varies by model (e.g., 16 mm to 150 mm)

About Gravity Return Type Jack

In order to attain clients' utmost satisfaction, we are engaged in offering a wide gamut of Gravity Return Type Jack. This is precisely manufactured as per the set industry norms by utilizing optimum quality materials. It is known for their large holding capacity, and can operate with zero differential pressure and with high process media temperatures. The offered jack can be found as pipe benders used in plumbing, as cable slicers for electrical projects, and as material lifts within warehouses. Moreover, this Gravity Return Type Jack is available in plethora of specifications provided by our customers.

High Performance and Versatility

Designed with a lifting capacity of 5 to 300 tons and an operating pressure of 700 bar, this jack accommodates a wide spectrum of heavy-duty tasks. Its various models offer different stroke lengths, oil capacities, and dimensions, making it suitable for construction, shipbuilding, and industrial maintenance.

Durable and Safe Construction

The jack's body, made from high-grade alloy steel, and its hard chrome plated piston ensure longevity under rigorous use. A corrosion-resistant powder-coated or yellow enamel surface, combined with high pressure-resistant seals, delivers consistent performance and protection in harsh environments.

User-Friendly and Portable

Select models come with forged handles for convenient portability, and the flat base mounting supports stable operation. The gravity return mechanism enhances simplicity and reduces maintenance efforts, making the jack easy to operate in varied work scenarios.

FAQ's of Gravity Return Type Jack:

Q: How does the gravity return mechanism function in this jack?

A: The gravity return mechanism allows the jack's piston to return to its original position under the force of gravity once hydraulic pressure is released. This design eliminates the need for external power or springs, simplifying maintenance and making the jack reliable for repetitive operations.

Q: What types of applications is this jack suitable for?

A: This jack is ideal for lifting, pushing, pulling, and straightening operations in construction sites, shipbuilding yards, and heavy maintenance workshops. Its broad range of models accommodates diverse load requirements, from small-scale repairs to large-scale structural modifications.

Q: When should the jack's oil capacity and stroke length be considered during selection?

A: Oil capacity and stroke length should be chosen based on your specific lifting or pushing requirements. Larger capacities and longer strokes are necessary for extended operations or when greater lift heights are needed, ensuring optimal performance and safety for the application.

Q: Where can this jack be mounted, and does it require special installation?

A: The flat base design allows for stable placement on solid horizontal surfaces. No special installation is generally required; however, ensure the mounting surface can safely support the jack and load, and adhere to the product's safety guidelines for operation.

Q: What are the key benefits of the powder-coated or yellow enamel finish?

A: The powder-coated or yellow enamel finish offers excellent corrosion resistance, protecting the jack from rust and wear in moist or chemically aggressive environments. This ensures the longevity of the tool and maintains its high performance under continuous use.

Q: How do the high pressure-resistant seals contribute to jack performance?

A: High pressure-resistant seals prevent hydraulic leaks and maintain system integrity even under intense loads and pressures. This design feature ensures efficient operation, reduces the need for frequent maintenance, and extends the service life of the jack.

Q: What are the advantages of forged handles in selected jack models?

A: Forged handles provide robust support and allow for easy transportation and positioning of the jack, especially in field or site environments. They are designed for heavy-duty use and enhance operator safety and convenience during deployment and retrieval.