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Category: System Components

Drip Irrigation Supplies & System Components

Drip irrigation systems consist of emission devices serviced by a water distribution network that includes control zone equipment.  At the water source, water is controlled with automatic valves, sometimes amended with nutrients or chemicals, filtered and regulated at levels suitable for the emission devices chosen and plants being grown.  From there, water is delivered to each of the emission devices through a network of PVC and PE pipes.  The emission device, whether it is drip tape, a drip emitter, jet or micro-sprinkler, then delivers water and nutrients to the soil where plant roots may nourish the plant.  All components have attributes that affect performance, and that are traded off with initial, installation, operation and maintenance costs or cheap cialis.  A thorough understanding for drip irrigation supplies and components will assist in selecting the proper equipment to achieve desired expectations for the given application.  Drip irrigation systems are durable and are

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Distribution Drip Irrigation Supplies & System Components

Once the emission device is chosen, a system of filters, chemical injectors, pipes, valves and fittings must be constructed to deliver water reliably, safely and efficiently to each outlet, and to facilitate system maintenance.  The following are the major distribution system component categories: Filters Filters are used to remove organic and inorganic debris from the water that could potentially clog the emission devices. In agriculture, sand media filters, screen filters or disk type filters are commonly used, and may be cleansed manually, semi-automatically or automatically.  Even where potable water is used, which is typical of landscaping applications, disc or screen filters should be installed since scale and chemical precipitants may occur which present a potential clogging hazard. Depending on the emission device chosen, the degree of filtration should be 80-200 mesh. Chemical Injectors Chemical Injectors are typically installed in drip irrigation system in order to facilitate system maintenance with chlorine

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Control Zone Irrigation Equipment

The drip irrigation system must be monitored and operated.  It cannot be stressed enough how important the first two categories (flow meters and pressure gauges) are to assess performance and guidance for operation, and how important the last two categories (valves and controllers) are to deriving the maximum benefit from a drip irrigation system. System Flow Meters System Flow Meters are available in a range of sizes and types, and commonly provide both instantaneous and cumulative water flow with an accuracy of approximately two percent.  Flow meters may also be fitted with electrical analog conversion units that are capable of transmitting flow rate data to a centralized irrigation control computer.  A micro-irrigation system offers the user an unprecedented degree of control over his water and power costs, and over the growing conditions of his crop.  To take full advantage of this ability to control the irrigation system, it is necessary to

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Drip Irrigation Emitters and Emission Devices

Emission devices vary according to their flow rate, hydraulic characteristics and wetting pattern.  The ideal emission device is durable (withstands outdoor conditions), resists clogging (large internal passageways, self-flushing), is insensitive to pressure variation that occurs as a result of slope and/or lengths of run (pressure compensating), accurate (low manufacturing Coefficient of Variation, or CV), and is economically affordable.  Drip irrigation emission devices are typically installed on the surface such that there is flexibility in placement and convenience for management.  These attributes are achieved via advanced plastics, hydraulics, and injection molding technology. Drip Tape Drip Tape is a “line-source” product that incorporates a series of relatively inexpensive, engineered emission devices into a thin walled tube.  Water is distributed evenly along the length of the tube through emission devices which may be spaced anywhere from 4″ to 24″ apart.  To accommodate various crops and terrain, tube wall thicknesses are available from .004″

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