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The knowledgeable source for your
drip irrigation needs

800/522-3747
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190 Sanhedrin Circle
Willits, CA 95490

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T-Tape® Design For Farms and Other Agricultural Uses

T-Tape Menu:

Overview

Farm Use

Home Use

Home Page

T-Tape® is a drip tape that can be an efficient, economical solution to your farm irrigation and other agricultural irrigation needs. When designing a T-Tape® system for a farm, the design process can be broken down into several steps that are listed below, along with a calculator to help you get a rough estimate of your T-Tape® needs.
(Just enter the information in the white boxes for the calculator. The other fields will be filled in when you press the Calculate button. The Clear button clears all of the calculated fields.)

"In 15 years of gardening I had moderate success in growing root crops. Yet in our first year of using drip irrigation, we experienced a phenomenal increase in yields."
W.F. = Hesperia, MI

T-Tape Estimator

1.	Figure the number of lines of T-Tape® multiplied by the length of each line.
	Number of Beds
	T-Tape Lines/Bed
	Row Length		Ft of T-Tape:
2.	Decide on the emitter spacing of the T-Tape® you want to use.
	Emitter spacing, T-Tape type
3.	Figure the amount of water available for irrigation at the field.
	Water available in GPH

4.	Design your system to use 80% or less of your available water in each zone.
	80% of available water is	GPH	GPM
	Total water required:	GPH	GPM
5.	Compute how much T-Tape® you can use at one time with the water available.
	Max. T-Tape per zone (80% water use)		Feet
	Estimated T-Tape lines per zone
	Estimated flow per T-Tape line		GPH
6.	Divide the system into as many zones (submains) as needed with the water available.
	Estimated number of zones
	Estimated number of rolls of T-Tape

Dividing a System into Zones

How should I install my T-Tape?
It is recommended that T-Tape be installed with the printed side and outlets facing up. This prevents the settling of sediment in the inlets that could cause plugging. T-Tape can be buried at depths of 1" to 24".

This is one way to divide a system using valves. The valves can be either manual or automatic. Generally, it's best to keep valves close together for convenience. The main line would typically be 3/4" or larger, depending on the size or your area and the water available. The sub-mains are often done with 3/4" poly tubing.

Flatube™ can be used for large farm applications that have larger volumes of water available.

Each T-Tape row is started with either an LSB Tape Loc x 1/4" barb, or an LSB400 Tape Loc x .400 barb if a flow of more that 80 GPH is needed for longer rows. The LSB400 has a flow of about 300 GPH at 12 PSI.

If you want a valve on a row you can use either an LSBSO Tape Loc x Barb with Valve or an LSBSO400 Tape Loc x .400 Barb with Valve for higher flow.

At the end of each row, put an LSGS Grip Sleeve to close off the T-Tape.

You can check out our complete line of Tape Loc fittings by clicking here.

If you plan to do seed germination in your rows, you may want to consider incorporating removable misting lines in your design to water your plants until their root system is established. Please feel free to call us if this is a concern.

revised 03/22/2007

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