Drag Hose Linear Irrigation System

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Product Overview

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The drag hose pivoting sprinkler consists of a traveling vehicle, span section (including spray truss and tower), cantilever, and optional tail gun system. It uses a drag hose for water supply during operation. The vehicle and spans move in parallel in the same direction, providing back-and-forth irrigation in fields. The system’s trajectory is linear, with a rectangular coverage area, ideal for fields with a length-to-width ratio of 2:1 or greater. The span section can be a single unit or multiple combinations, adjustable to any length with cantilever pipes, limited by drag hose capacity to a maximum of 36.9 hectares per machine. Sprinkler heads can be configured based on local climate and planting needs, with irrigation intensity ranging from 4mm to 50mm.


Span dimensions	Main pipe specifications	Single span length	First span length	Pass-through height	Truss height	Standard span length
	Φ168mm	41.1m	41.47m	2.95m	4.52m	41.15m
	Φ168mm	47.8m	48.18m	3.02m	4.52m	47.88m
	Φ168mm	54.5m	54.91m	2.90m	4.60m	54.53m
	Φ219mm	41.1m	41.47m	2.92m	4.54m	41.15m
	Φ219mm	47.8m	48.18m	3.00m	4.55m	47.88m
	Φ219mm	54.5m	54.91m	2.90m	4.63m	54.53m
Cantilever dimensions	Main specifications	Cantilever length	Cantilever height	Cantilever ground clearance	Note: 1. All values are for operations without water; 2. In operations with water, the above values may vary due to terrain and tire sinking.
	Φ141mm	6.7m	5.33m	3.48m
	Φ141mm	13.4m	5.33m	3.48m
	Φ141mm	20.1m	6.70m	3.48m
	Φ141mm	26.8m	6.70m	3.48m

Product Features

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1. Long Service Life: The main structure lasts over 20 years, providing long-term benefits from a single investment.

2. High Structural Strength: The span materials are solid (see technical parameters), with a reasonable design ensuring overall rigidity.

3. Corrosion Resistance: All steel components are treated with hot-dip galvanization, with a thickness of 0.08 mm.

4. Even Water Distribution: Standard with NELSON R3000 spray heads, customizable based on planting needs; uniformity exceeds 95%.

5. High Intensification: Low investment cost per unit area, requires no land leveling, and can climb slopes up to 25%.

6. Wide Applicability: Suitable for irrigating all outdoor crops, applicable to sandy, loamy, and clayey soils, usable in both flat and hilly areas.

Technical Specifications

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Cross-body structure	1.Pipeline	Main pipe diameter: Ø219 (±2mm), Ø168 (±2mm), wall thickness: 3mm, length: 6.706m.
	2.Truss support	The central tower's angle steel measures 100x100x10mm; the tower frame's angle steel is 100x80x8mm, utilizing four double "V" shape supports. All truss angle steel is 5x5x4mm or above, and the tower leg cross braces are 75x75x6mm.

	3.Truss brace	All components use high-strength round steel of diameter 20mm or above, made from 45# steel, and are hot forged in a single process to avoid cracking.

	4.Fasteners	The key fastening bolts in the equipment are all high-strength alloy bolts of National Standard Grade 10.9, while the secondary fastening bolts are all high-strength bolts of National Standard Grade 8.8. All nuts are metal self-locking nuts.

	5.Cross connection	The connection between spans uses external A38 aluminum safety covers, which are internally equipped with rubber waterproof sleeves. This design is aesthetically pleasing and provides double protection.

Walking structure	1.Power requirements	380V, 50Hz (diesel generator or agricultural/industrial power supply)
	2.Cable	716 AWG + 412 AWG, aluminum sheath, UV resistant.
	3.Motor cable	4*14 AWG, aluminum sheath, UV resistant.
	4.Motor reducer	0.75HP，40：1//1.5HP，40：1
	5.Wheeled reducer	50:1
	6.Tire	14.9-24, low speed, for irrigation use.
	7.Spray head spacing	2.23m
Control system	Main control box	1.Displays operating status, performs real-time monitoring, and provides full-process fault alarms.
		2.Features automatic shutdown and reverse rotation functions, enabling sector irrigation (optional).
		3.Adjustable walking speed for the rear span of the sprinkler.
		4.The box has dual dustproof and waterproof features.
		5.A lightning protection device can be installed as needed.
		6.The system can be configured for linkage between the sprinkler and the water pump as needed.
		7.The cumulative timer displays the operating time of the sprinkler.
	Tower box	1.The three types of tower boxes together form the control system for the span. The time relay in the end tower box enables automatic power-off and shutdown functions, preventing accidents caused by tire slippage or obstacles affecting the rear or other spans.

		2.Omron safety switch (micro switch): lifespan of over five million operations.
		3.The isolation switch and contactor have a minimum heating current of 16 amps at a rated voltage of 600V.

Product Detail