Large Diameter Spiral Suction and Discharge Hose

The JIDONGDA Large Diameter Spiral Suction and Discharge Hose is a high-performance, flexible hose designed for systems that transport large volumes of fluid over long distances. Unlike standard alternatives, this product features a design that combines a spiral steel framework with composite fiber reinforcement. This effectively addresses common industry issues such as vacuum-induced deformation, insufficient pressure resistance, rapid wear, and a short service life.

The hose maintains its structural integrity under both suction (negative pressure) and discharge (positive pressure) conditions, making it suitable for handling challenging media containing solid particles or mildly aggressive substances. Thanks to advanced manufacturing technologies and a rigorous quality control system, JIDONGDA products are exported worldwide and serve as a preferred component for many engineering enterprises.

Product Construction

1. Wear-resistant inner layer

Made from highly wear-resistant rubber or special synthetic elastomers, this layer offers superior resistance to erosion and abrasion. It enables the long-term transport of media with high solids content (such as sand, gravel, silt, and construction slurries) while preventing damage to the inner walls and the formation of blockages, thereby ensuring unobstructed flow.

2. Spiral steel wire reinforcement

An embedded continuous spiral steel wire framework provides reliable radial support for the hose body. This significantly enhances vacuum resistance, preventing flattening or deformation during suction operations. The reinforcement strengthens the overall structure, making the hose suitable for cyclic operation involving frequent starts and stops, and substantially extending its service life.

3. High-strength fiber reinforcement layer

Reinforced with multiple layers of high-strength fiber braiding, the hose exhibits significantly enhanced tensile strength and burst pressure resistance. The product is suitable for high-pressure, long-distance transport, effectively preventing cracking or leaks caused by pressure fluctuations or pipeline stretching.

4. Weather-resistant outer cover

The outer layer is made of wear- and weather-resistant rubber capable of withstanding mechanical abrasion, UV exposure, and temperature fluctuations. It provides robust protection for the internal structure, making the hose ideal for use in harsh environments, such as outdoor sites or offshore facilities.

Key Product Features

1. Versatility: Suction and discharge capabilities; high operational efficiency

The Large Diameter Spiral Suction and Discharge Hose is suitable for both suction (negative pressure) and discharge (positive pressure) operations. Eliminating the need to switch between different piping systems significantly boosts equipment efficiency and reduces project-related ancillary costs.

2. Resistance to negative-pressure deformation; stable performance

A steel wire reinforcement helix provides high structural integrity, preventing the hose from compressing or collapsing under high negative pressure. The hose maintains consistent flow during continuous operation, preventing interruptions or blockages.

3. High wear resistance; suitable for aggressive media

The wear-resistant inner liner features a specialized compound designed to withstand prolonged abrasion from sand, gravel, mineral particles, and high-concentration slurries, making the hose ideal for the industrial transport of highly abrasive materials.

4. Flexibility and ease of routing; rapid installation

Unlike rigid steel piping, this hose is highly flexible, allowing for routing across complex terrain and around bends. Ease of installation and removal significantly reduces project timelines.

5. Long-distance transport; low maintenance costs

Compatible with pumping equipment for high-volume, long-distance transfer. Its integrated composite design minimizes the risk of failure and simplifies replacement and maintenance, drastically reducing downtime losses and long-term operating costs.

Applications

1. Mining industry: slurry suction, transport of processing tailings, and transfer of process fluids; suitable for mixtures containing solid mineral particles.

2. Dredging operations: riverbed desilting, deepening of port channels, and land reclamation; transfer of large volumes of bottom sediments and seawater.

3. Environmental projects: sludge pumping and injection, transport of industrial wastewater, and cleaning of settling ponds; suitable for handling contaminated or mildly corrosive media.

4. Ports and terminals: seawater exchange, removal of bottom sediments within port waters, and transport of bulk granular materials.

5. Construction: slurry circulation during foundation work and slurry transport in micro-tunneling (pipe-jacking) projects, ensuring the continuity and stability of construction operations.

6. Industrial pumping systems: integration with large-scale pumping stations and extraction equipment to ensure efficient long-distance material transport.

Real-world Project Examples

Example 1: Upgrading a Gold Mine Tailings Transport System (Shandong Province)

A gold mining facility in Zhaoyuan (Shandong Province) transports an average of 12,000 cubic meters of slurry (processing tailings) daily. The pumped medium contains 35% pyrite sand and acidic flotation reagents, causing severe pipeline wear and corrosion. Previously used standard rubber hoses required replacement every 10 months on average, resulting in high maintenance costs and frequent equipment downtime.

The project involved the installation of JIDONGDA wear-resistant spiral suction and discharge hoses (12-inch diameter), featuring a specialized inner liner resistant to both acid exposure and abrasive wear. Since commissioning, the hoses have shown no deformation, leakage, or wear-related damage during prolonged operation under high-load suction and discharge conditions. Service life increased from 10 to 36 months, significantly reducing replacement and maintenance costs while enhancing production continuity.

Example 2: Inland River Dredging and Land Reclamation Project

A Large Diameter Spiral Suction and Discharge Hose involved clearing riverbed silt and reclaiming land on tidal flats. The complex and variable terrain made laying traditional steel pipes difficult, while standard hoses were prone to collapsing under negative pressure or bursting, seriously impacting the construction schedule. The project utilized JIDONGDA large-diameter spiral suction and discharge hoses, characterized by high flexibility—enabling routing along curved surfaces and use in floating systems—and spiral steel reinforcement that effectively prevents deformation under negative pressure. After six months of continuous, intensive operation, no hose failures or leaks were recorded. Monthly dredging and land reclamation volumes increased by 15% compared to the previous solution, effectively resolving issues related to complex pipeline installation and low transport efficiency.

FAQ

Q1: Can JIDONGDA Large Diameter Spiral Suction and Discharge Hoses operate reliably under high negative pressure for extended periods?

A1: Yes, they can. The product features an integrated spiral steel wire reinforcement that provides constant radial support; this prevents collapse and deformation under standard high-vacuum suction conditions and ensures stable flow during continuous, long-term operation. The product has undergone professional pressure and vacuum resistance testing, making it fully suitable for deep-vacuum applications such as dredging and material suction in the mining industry.

Q2: Are custom-made versions available for handling corrosive or highly abrasive media?

A2: We offer a range of customization options. For highly abrasive media (such as tailings and slurry), we can manufacture hoses with a specially wear-resistant inner liner and reinforced structure; for corrosive media (such as acidic or alkaline chemical wastewater), we supply acid- and alkali-resistant hoses; and for media containing petroleum products, we offer hoses made from oil-resistant materials. The specifications of all custom-made products are precisely tailored to specific operating parameters, ensuring optimal compatibility and a long service life.

Q3: Is the hose difficult to install or replace? How are the flanges selected?

A3: Installation is simple, and the flanges offer excellent compatibility. Compared to steel piping, JIDONGDA flexible hoses are lightweight and highly flexible, allowing for rapid installation and removal without the need for heavy construction machinery. They feature stainless steel flange connections and comply with international standards such as ANSI, DIN, and JIS. We can pre-fabricate flanges to match your equipment specifications for seamless integration, significantly simplifying on-site installation.