Drip Irrigation Basics

Installing drip irrigation involves using specialized equipment. Become familiar with the following essential basic components:

Filters/Pressure Regulators

Changing from sprinkler to drip irrigation requires the addition of a filter to prevent emitter clogging and a pressure regulator to achieve 20-30 PSI.


filter casing containing a screen filter	pressure regulator	combination filter and pressure regulator (not for use with wells)

Key Points for Conversion of Sprinkler to Drip Irrigation

Sprinkler to Drip Irrigation Conversion

1/2'’ Inline drip and distribution tubing

½ inch tubing is the most common way to move water to the plants.

Emitters are small plastic parts that ‘emit’ controlled amounts of water. Pressure-compensating emitters are preferred as they provide the same flow over a wide pressure range. These emitters are also less prone to clogging.

½” inline drip tubing has embedded emitters regularly spaced at 12, 18 or 24 inches.


½” inline drip tubing	½” inline drip tubing emitter

½” distribution tubing with added point source emitters can also be used.


1/2" distribution tubing	½” distribution tubing + point source emitter

Fittings for ½” inline drip and ½” distribution tubing

These are the basic fittings to connect elements of drip system equipment.

Note that these are all “locking” fittings.


1/2" locking fittings connector.	1/2” tee connector	½” elbow connector

hose-end	line-end with cap	coupler with ball valve (shut-off)

goof plugs	goof plug in ½” distribution tubing	irrigation line staple

1/4'’ Inline drip and distribution tubing

Some applications (such as a veggie garden or in a pot) will use ¼” inline drip and ¼” distribution tubing.


¼” inline drip tubing	¼” distribution tubing

Fittings for ¼” tubing


connectors	some applications (such as a veggie garden or in a pot) will use ¼” inline drip and ¼” distribution tubing.	1/4” inline drip tubing with goof plug

micro-flow valve	irrigation line staples	emitter

Stores that specialize in irrigation are the best sources of irrigation equipment and supplies. They generally have a good selection of parts and knowledgeable staff.

The topics outlined below will help you install a drip system.