Toro Aqua-Traxx PC Design, Installation, & Maintenance Guide

Loading...

Design, installation & maintenance guide.

By Perry Continente

This publication is designed to provide accurate and informative opinion in regard to the subject matter covered. It is distributed with the understanding that the authors, publishers, and distributors are not engaged in rendering engineering, hydraulic, agronomic, or other professional advice.

First Edition February 2003

Copyright 2003 The Toro Company (Ag Irrigation Business)

TABLE OF CONTENTS

CHAPTER 1: Aqua-Traxx PC

Principles of Operation

Features and Advantages

Specifications

Use and Selection

CHAPTER 2: Aqua-Traxx PC DESIGN

Selecting Aqua-Traxx PC Products

Submain Design

Mainline Design

Flushing and flushing submains

CHAPTER 3: INSTALLATION AND STARTUP

Installation

Initial Startup

CHAPTER 4: OPERATION AND MAINTENACE

Computing Irrigation Time

Monitoring System Performance

Maintenance Procedures for Aqua-Traxx PC Tape

Chapter 1

PRINCIPLES OF OPERATION

Aqua-Traxx PC is a seamless, extruded drip tape with a molded emitter inserted in a tube. The emitter is made up of the following:

Filter inlets that which reduce the amount of debris that enter the emitter.

Turbulent flow path.

Pressure compensating chamber.

Unique multiple laser slit outlets.

Seamless construction eliminates seam failures, and reduces the incidence of root intrusion. Extrusion technology utilizes high-quality, extrusion-grade engineering polymers renowned for their toughness and flexibility. These polymers were developed specifically for use in harsh industrial and agricultural environments.

The exclusive flowpath molding process creates crisp, well-formed physical features, resulting in excellent repeatability and high emission uniformity (EU). The turbulent flowpath design reduces clogging in the flow channel. Pressure responsive section provides a relatively constant flow rate within the operating pressure range allowing for longer lengths of run and/or significant elevation changes. (Flow exponent of 0.2).

Broccoli in Salinas, Ca.

 

 

Chapter I: Aqua-Traxx PC Tape

- 1 -

Aqua-Traxx Pc emitter

Aqua-Traxx PC emitter As shown above, water enters the flow path through the filter inlets which are shaped like a reverse funnel. This keeps debris to the outside of the emitter where it can be flushed away. Next, the water flows through the turbulent flow channel before entering the pressure responsive section. The pressure responsive section responds to changes in water pressure to maintain a constant flow throughout the operating pressure range. Finally, the water exits through the lasermade multiple slit outlets to the crop. The multiple slits ensure the proper function of the emitter and also provide the added benefit of significantly reducing the effect of water running down the tube on slopes.

 

 

Chapter I: Aqua-Traxx PC Tape

- 2 -

FEATURES AND ADVANTAGES

Precision molded emitter for high uniformity.

Seamless construction for greater reliability.

Multiple laser slit outlet Reduces startup clogging and impedes root intrusion. o Dramatically reduces the water running down the tube on slopes.

Turbulent flow path provides reduced clogging.

Pressure compensating chamber provides increased Emission Uniformity (EU) throughout the operating pressure range.

Available in a wide range of wall thicknesses, outlet spacings and flow rates.

Highly visible blue stripes for quality recognition and Emitter UP indicator.

Superior tensile and burst strength.

Tough, abrasion-resistant material reduces field damage.

Aqua-Traxx PC installation in Salinas, Ca.

 

 

Chapter I: Aqua-Traxx PC Tape

- 3 -

SPECIFICATIONS

Aqua-Traxx PC Diameter & Wall Thickness Dimensions

Diameter

Wall (mils)

Min PSI

Max PSI

Reel Length

Reel Weight

5/8”

8

4

16

7,500’

63 lbs

 

10

4

20

6,000’

60 lbs

 

12

4

22

5,100’

58 lbs

 

15

4

25

4,000’

61 lbs

7/8”

10

4

18

4,400’

65 lbs

 

12

4

20

4,000’

61 lbs

 

15

4

22

3,000’

62 lbs

Flow Rates

Part Number

 

Emitter flow rate @10

Spacing, inch

 

Q-100 GPM/100’ @

 

 

 

psi

 

 

10psi

0.20 gph emitter @ 10 psi

 

 

 

 

 

 

EAPXxx0667

 

0.20 gph

6

 

0.67

 

EAPXxx0850

 

0.20 gph

8

 

0.50

 

EAPXxx1234

 

0.20 gph

12

 

0.34

 

EAPXxx1625

 

0.20 gph

16

 

0.25

 

EAPXxx1822

 

0.20 gph

18

 

0.22

 

EAPXxx2417

 

0.20 gph

24

 

0.17

 

0.27 gph emitter @ 10 psi

 

 

 

 

EAPXxx0690

 

0.27 gph

6

 

0.90

 

EAPXxx0867

 

0.27 gph

8

 

0.67

 

EAPXxx1245

 

0.27 gph

12

 

0.45

 

EAPXxx1634

 

0.27 gph

16

 

0.34

 

EAPXxx1830

 

0.27 gph

18

 

0.30

 

EAPXxx2422

 

0.27 gph

24

 

0.22

 

(Check Toro Ag price

list for available stock)

 

 

 

 

 

Flow path Specifications & Dimensions

 

 

 

 

 

 

 

 

 

 

Coefficient of Variation (CV)

 

All emitters

0.03

 

 

Flow Exponent

 

 

All emitters

0.2

 

 

Nominal Pressure

 

All emitters

 

10 psi

 

 

Inside diameter

 

 

5/8

 

0.635”

 

 

Inside diameter

 

 

7/8

 

0.875”

 

 

Operating Pressure Range

 

4 – 25 psi

See chart for different

 

 

 

 

 

 

 

 

mil thickness

 

 

Hazen-Williams C Factor

 

Main Tube

140

 

 

Minimum filtration requirement

 

All emitters

200 mesh (74 micron)

 

 

 

Chapter I: Aqua-Traxx PC Tape

- 4 -

USE AND SELECTION

Wall Thickness

8 mil - Intermediate products for general use in longer-term crops and average soil conditions. Has an operating pressure range: 4 to 16 psi.

10 -15 mil - Heavy wall designed to be used in rocky soils, where insects and animals may cause damage, or where the tape is to be used for more than one season. Increased wall thickness provides for a wider operating pressure range. (See specifications for mil thinness vs. operating pressure range.)

Spacing

6 and 8 inch - Used in closely spaced crops, on sandy soils, or where higher flow rates are desired.

12 inch - Used on crops in medium soils and average crop spacings.

16 inch - Used on wide spaced crops where a longer length of run is desired.

24 inch - Used for widely spaced crops, heavy soils, long run lengths.

Flow Rate

0.27 gph Flow - Normally recommended for most crops and soils.

0.20 gph Flow - Recommended for longer runs on most crops and soils.

Diameter

5/8” - Used for average run lengths (0 to 1,000 ft).

7/8” - Used for long run lengths (up to 2,500 ft).

Slopes

Aqua-Traxx PC can be used in downward sloping, undulating or flat topographical conditions. The pressure compensating feature allows for an operating pressure range from 4 psi to 25 psi depending on the wall thickness. Use Aqua Flow program for detailed hydraulic information.

 

 

Chapter I: Aqua-Traxx PC Tape

- 5 -

+ 16 hidden pages