LDN^® ‒ Low Drift Nozzle

Flows: 0.27 to 21.18 gpm (61 to 4811 L/hr)

Pressures: 6 to 20 psi (0.41 to 1.38 bar)

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Overview

The surfaces of the LDN® pads are specially designed to deliver different spray patterns and droplet sizes. Multiple deflector pads can be used to divide larger flows into more streams as the flow and nozzle size increase along the length of the irrigation pivot.

Features

Different pad combinations deliver application versatility
Controlled droplet size for greater efficiency
Low application intensity to preserve soil integrity
Two-year warranty on materials, workmanship and performance
Easy-change UP3® nozzle - simply pinch and pull to remove and place and click to reinstall, are easily identified with color-coding, and are warranted to maintain their correct orifice size for five years

Advanced Features

UP3® Nozzle

UP3 snap-in nozzles are easy to remove for cleaning or changing. To remove the nozzle simply pinch and pull, then place and click to re-install. There is no need to disassemble or remove the sprinkler.

The color-coded nozzles are highly visible and easy to identify. The nozzle numbers (corresponding to orifice sizes in 64ths of an inch) are visible on the ears, with half sizes denoted beneath the second digit and the notches on the lower edge of the nozzle.

Models

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Single Pad

Ideal for: pivots with smaller flows
Creates 33 streams

Double Pad

Ideal for: center spans
Creates 66 streams

Triple Pad

Ideal for: last pivot spans
Creates 99 streams

LDN® ‒ Low Drift Nozzle

Model	Description
LDN UP3 Complete – Single Pad (contact customer service for part number based on pad selection)	¾" M NPT (including nozzle; excluding weight)
LDN UP3 Complete – Double Pad (contact customer service for part number based on pad selection)	¾" M NPT (including nozzle; excluding weight)
LDN UP3 Complete – Triple Pad (contact customer service for part number based on pad selection)	¾" M NPT (including nozzle; excluding weight)

Specs

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LDN®

LDN DESIGN CRITERIA	Mini Pad	24 Deep Groove	Single Pad	Double Pad	Triple Pad
Nozzle Sizes
Minimum	#4 1/16"	#4 1/16"	#10 5/32"	#15 15/64"	#20 5/16"
Maximum*	#9 9/64"	#26 13/32"	#26 13/32"	#26 13/32"	#26 13/32"
Flows
Minimum	0.27 gpm	0.27 gpm	1.74 gpm	3.93 gpm	6.99 gpm
Maximum	2.56 gpm	21.18 gpm	21.18 gpm	21.18 gpm	21.18 gpm
Maximum Spacing at 6 ft ground clearance
	10 ft	10 ft	10 ft	10 ft	10 ft
Pressure at the Nozzle
Minimum	6 psi	6 psi	6 psi	6 psi	6 psi
Maximum	20 psi	20 psi	20 psi	20 psi	20 psi

*It is recommended that larger nozzle sizes be used only on soils that can handle higher application rates.
The LDN is not recommended for surface water or effluent application.

LDN® (Metric)

LDN DESIGN CRITERIA	Mini Pad	24 Deep Groove	Single Pad	Double Pad	Triple Pad
Nozzle Sizes
Minimum	#4 1.59 mm	#4 1.59 mm	#10 3.97 mm	#15 5.95 mm	#20 7.94 mm
Maximum*	#9 3.57 mm	#26 10.32 mm	#26 10.32 mm	#26 10.32 mm	#26 10.32 mm
Flows
Minimum	61 L/hr	61 L/hr	395 L/hr	893 L/hr	1588 L/hr
Maximum	581 L/hr	4811 L/hr	4811 L/hr	4811 L/hr	4811 L/hr
Maximum Spacing at 1.8 m ground clearance
	3.0 m	3.0 m	3.0 m	3.0 m	3.0 m
Pressure at the Nozzle
Minimum	0.41 bar	0.41 bar	0.41 bar	0.41 bar	0.41 bar
Maximum	1.38 bar	1.38 bar	1.38 bar	1.38 bar	1.38 bar

*It is recommended that larger nozzle sizes be used only on soils that can handle higher application rates.
The LDN is not recommended for surface water or effluent application.

Documents

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