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  • Center pivot irrigation system–Fixed Type

    Short Description:

    Center pivot irrigation system: also known as circular sprinkler, clockwise sprinkler, central pivot sprinkler, sprinkler ring, etc.

    It is a large sprinkler that supports the pipe with sprinkler head on the automatic walking support and rotates around the central point of the water supply system while spraying.

    Product Detail

    Product Tags


    Center pivot sprinkler(sometimes called central pivot irrigation), also called electric circular sprinkler, pointer type sprinkler etc., is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers. Center-pivot irrigation systems are beneficial due to their ability to efficiently use water and optimize a farm's yield. The systems are highly effective on large land fields.

    Suitable crops: alfalfa, corn, wheat, potato, sugar beet, cereals and other cash crops.

    Working principle

    The center supporting shaft end of the sprinkler is fixed, and the rest of the sprinkler moves around the fixed end driven by the motor. Through the interface at the end of the Central Branch shaft, water is pumped up from the river or well and sent to the water pipe on the sprinkler truss, and then sent to the field through the sprinkler to realize automatic irrigation.

    A circular area centered on the pivot is irrigated, often creating a circular pattern in crops when viewed from above.



    Center-pivot irrigation uses less labor than many other surface irrigation methods, such as furrow irrigation.

    It also has lower labor costs than ground-irrigation techniques that require digging of channels.

    Also, center-pivot irrigation can reduce the amount of soil tillage.

    It helps reduce water runoff and soil erosion that can occur with ground irrigation.

    Less tillage also encourages more organic materials and crop residue to decompose back into the soil. It also reduces soil compaction.

    Center pivots are typically less than 500 meters (1,600 ft) in length (circle radius) with the most common size being the standard 400-meter (1?4 mi) machine, which covers about 50 hectares (125 acres) of land.

    Main Technical Parameters

    Main Technical Parameters
    No. Parameters
    1 DAYU irrigation system have three different span lengths: 50, 56, 62 meters,four overhang lengths: 6, 12, 18, 24 meters.
    2 DAYU irrigation system ?pipe diameter are 168mm and 219mm two types.
    3 The irrigation system height has standard 2.9 meters and high type 4.6 meters .
    4 Tire size:11.2 X 24, 14.9 X 24, 11.2 X 38, 16.9 X 24
    5 Water inlet pressure is between 0.25 and 0.35MPa.

    Motor reducer&Wheel reducer

    Using the same quality of UMC VODAR motor, its adaptability to the environment, extreme cold and heat are not affected, low failure rate, low maintenance rate, safe and reliable.

    With protection function, for the voltage instability and overload situation, will not appear fuse, broken wire phenomenon.

    Using aluminum alloy shell, can effectively waterproof sealing.

    The motor is well sealed, no oil leakage, long service life.

    Adopt the same quality VODAR reducer of UMC, which is suitable for different field conditions, safe and reliable.

    Box type input and output oil seal, effectively prevent oil leakage.

    External dustproof protection for both input and output shafts.

    Stainless steel full circulation expansion chamber, using extreme pressure gear oil, the worm gear lubrication protection performance is remarkable.

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    Cross-body connection&Connecting tower

    Cross-body connection adopts the ball and cavity connection method, and the ball and cavity tubes are connected by rubber cylinders, which has strong terrain adaptability and greatly improves the climbing ability.

    The ball head is directly welded to the short cross body pipe, which greatly increases the strength and can cope with the tensile force of steel in cold weather conditions and avoid collapse of equipment.

    The tower is V-shaped, which can effectively support the truss and greatly improve the stability of the equipment.

    Double fixation is used at the connection of tower leg and pipe, which greatly improves the running stability of the equipment.

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    Sprinkler main pipe

    The pipe is made of Q235B, Φ168*3, with thickening treatment to make it more stable, impact resistant, low temperature resistant and tough.

    All steel structures are hot-dip galvanized in one go after processing and welding, and the thickness of galvanized layer is 0.15mm, which is much higher than the industry standard, with high corrosion resistance and service life of more than 20 years.

    After processing, each main tube is tested by the drawing machine for its welding strength to ensure 100% qualification rate.


    Main electric control box

    The control system adopts American Pierce technology, which is stable and reliablewith rich functions.

    Key electrical components use American HoneyWell and French Schneider brands to guarantee stable equipment operation performance.

    With rainproof function, the keys have dustproof treatment, which greatly prolongsthe service life.

    Before leaving the factory, strict testing is carried out to ensure the stability of the entire control system.

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    Cross-body cable adopts three-layer 11-core pure copper armor cable, with strong shielding signal performance, so that multiple devices running at the same time will not interfere with each other.

    The motor cable adopts three-layer 4-core aluminum armored cable.

    The outer layer is made of high-density natural rubber, which is resistant to high temperature, ultraviolet rays and aging.

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    Using natural rubber, anti aging, wear resistance;

    Special 14.9-W13-24 tire for large pattern irrigation, with herringbone facing outward and strong climbing ability.

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    Nelson D3000 and R3000 and O3000 series and I-Wob serie.

    Instantaneous irrigation intensity is an important factor to consider when designing sprinkler heads and is related to the permeability of the soil. General nozzle design to achieve both the crop's water requirements and less than the maximum infiltration of soil water to avoid waste of water and fertilizer runoff.? The instantaneous irrigation intensity of the smaller sprinkler for the soil and crop applicability is stronger.

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