i-Wob^®2

Flows: 0.80 to 18.35 gpm (182 to 4168 L/hr) based on model

Pressures: 6 to 15 psi (0.41 to 1.03 bar)

An i-Wob2 is an i-Wob2

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Overview

Senninger® has improved on the i-Wob® UP3® design with the next generation i-Wob®2 for center pivot irrigation. Featuring a protective shroud that doubles as a nozzle carrier, the new i-Wob2 is capable of better withstanding harsh operating conditions. Senninger Wobbler® sprinklers are recognized across the globe for their ability to spread water in a highly uniform pattern resistant to wind-drift and evaporation.

Features

Protective shroud guards the sprinkler’s wear surface from splashing of adjacent sprinklers, grit, and direct UV damage
Shroud doubles as a nozzle carrier, making renozzling quick and easy
Ultra-low operating pressure of 6 to 15 psi (0.41 to 1.03 bar) saves money and energy
Available in four deflector models offering different droplet sizes and trajectories
Exclusive below-the-nozzle weight eliminates the need for heavier, conventional drop weights
Backed by an unprecedented 3-year warranty on materials, workmanship, and performance.

Advanced Features

Senninger® Wobbler® Technology

Senninger Wobbler technology ―rotation of grooved deflector coupled with wobbling action― provides the most uniform water application in center pivot irrigation systems. Senninger Wobbler sprinklers distribute droplets with lower application intensity over a large area of coverage at low pressures.

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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i-Wob2 - Black Deflector

Trajectory: Standard-Angle
Surface: 9-Grooves
Droplet Size: Medium Droplets
Ideal for: Silty & Loamy Soils

i-Wob2 - Blue Deflector

Trajectory: Low-Angle
Surface: 9-Grooves
Droplet Size: Medium Droplets
Ideal for: Silty & Loamy Soils

i-Wob2 - Grey Deflector

Trajectory: Standard-Angle
Surface: 6-Grooves
Droplet Size: Small Droplets
Ideal for: Tight, Clay Soils

i-Wob2 - White Deflector

Trajectory: Low-Angle
Surface: 6-Grooves
Droplet Size: Large Droplets
Ideal for: Sandy Soils

i-Wob®2

Model	Description
IWOB200B3LA9UP3	INV WOB 2 UP3: 3/4" 9G LA LESS NOZ (BLU)
IWOB200B3LAUP3	INV WOB 2 UP3: 3/4" LA LESS NOZ (WHT)
IWOB200B3SA6UP3	INV WOB 2 UP3: 3/4" 6G SA LESS NOZ (GRY)
IWOB200B3UP3	INV WOB 2 UP3: 3/4" SA LESS NOZ (BLK)

Specs

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i-Wob®2

i-WOB2 System DESIGN CRITERIA	Standard Angle (Grey) 6-Groove Small Droplets	Standard Angle (Black) 9-Groove Medium Droplets	Low Angle (Blue) 9-Groove Medium Droplets	Low Angle (White) 6-Groove Large Droplets
Nozzle Sizes*
at 6 psi **	#12 - 26 3/16" - 13/32"	#12 - 26 3/16" - 13/32"	#12 - 26 3/16" - 13/32"	#12 - 26 3/16" - 13/32"
at 10 - 15 psi	#10 - 26 5/32" - 13/32"	#6 - 26 3/32" - 13/32"	#6 - 26 3/32" - 13/32"	#12 - 26 3/16" - 13/32"
Flows
at 6 psi **	2.51 - 11.60 gpm	2.51 - 11.60 gpm	2.51 - 11.60 gpm	2.51 - 11.60 gpm
at 10-15 psi	2.24 - 18.35 gpm	0.8 - 18.35 gpm	0.8 - 18.35 gpm	3.24 - 18.35 gpm
Diameters
3 ft height at 6 psi **	26 - 30 ft	30 - 34 ft	28 - 30 ft	28 - 32 ft
3 ft height at 10 - 15 psi	36 - 46 ft	31 - 53 ft	31 - 47 ft	40 - 49 ft
6 ft height at 6 psi **	30 - 34 ft	36 - 42 ft	32 - 35 ft	32 - 39 ft
6 ft height at 10 - 15 psi	35 - 50 ft	34 - 57 ft	35 - 50 ft	44 - 53 ft
9 ft height at 6 psi **	34 - 36 ft	40 - 46 ft	36 - 42 ft	34 - 44 ft
9 ft height at 10 - 15 psi	36 - 52 ft	38 - 59 ft	39 - 55 ft	49 - 57 ft
Maximum Spacing***
at 6 psi **	10 ft	10 ft	10 ft	10 ft
at 10 - 15 psi	18 ft	20 ft	18 ft	15 ft
Pressure at the Nozzle
Minimum**	6 psi	6 psi	6 psi	6 psi
Maximum	15 psi	15 psi	15 psi	15 psi

*It is recommended that larger nozzle sizes be used only on soils that can handle higher application rates.
** Senninger recommends 10 psi for optimum performance; 6 psi can be used for nozzles #12 and larger.
*** For optimum performance, Senninger recommends the use of maximum spacing for 1-2 spans only.
Note: Always mount the i-Wob2 on a minimum of 2 ft reinforced flexible hose. The hose must be on the outlet end of any semi-rigid or rigid drop.
Keep i-Wobs above crop canopy when outlet spacing exceeds 10 ft This is especially important on high profile crops.

i-Wob®2 (Metric)

i-WOB2 System DESIGN CRITERIA	Standard Angle (Grey) 6-Groove Small Droplets	Standard Angle (Black) 9-Groove Medium Droplets	Low Angle (Blue) 9-Groove Medium Droplets	Low Angle (White) 6-Groove Large Droplets
Nozzle Sizes*
at 0.41 bar *	#12 - 26 4.76 - 10.32 mm	#12 - 26 4.76 - 10.32 mm	#12 - 26 4.76 - 10.32 mm	#12 - 26 4.76 - 10.32 mm
at 0.69 - 1.03 bar	#10 - 26 3.97 - 10.32 mm	#6 - 26 2.38 - 10.32 mm	#6 - 26 2.38 - 10.32 mm	#12 - 26 4.76 - 10.32 mm
Flows
at 0.41 bar **	570 - 2635 L/hr	570 - 2635 L/hr	570 - 2635 L/hr	570 - 2635 L/hr
at 0.69 - 1.03 bar	509 - 4168 L/hr	182 - 4168 L/hr	182 - 4168 L/hr	736 - 4168 L/hr
Diameters
0.91 m height at 0.41 bar **	8.0 - 9.1 m	9.1 - 10.4 m	8.5 - 9.1 m	8.5 - 9.8 m
0.91 m height at 0.69 - 1.03 bar	11.0 - 14.0 m	9.5 - 16.2 m	9.5 - 14.3 m	12.2 - 14.9 m
1.83 m height at 0.41 bar **	9.1 - 10.4 m	11.0 - 12.8 m	9.8 - 10.7 m	9.8 - 11.9 m
1.83 m height at 0.69 - 1.03 bar	10.7 - 15.2 m	10.4 - 17.4 m	10.7 - 15.2 m	13.4 - 16.2 m
2.74 m height at 0.41 bar **	10.4 - 11.0 m	12.2 - 14.0 m	11.0 - 12.8 m	10.4 - 13.4 m
2.74 m height at 0.69 - 1.03 bar	11.0 - 15.8 m	11.6 - 18.0 m	11.9 - 16.8 m	14.0 - 17.4 m
Maximum Spacing***
at 0.41 bar **	3 m	3 m	3 m	3 m
at 0.69 - 1.03 bar	5.5 m	6.1 m	5.5 m	4.6 m
Pressure at the Nozzle
Minimum**	0.41 bar	0.41 bar	0.41 bar	0.41 bar
Maximum	1.03 bar	1.03 bar	1.03 bar	1.03 bar

*It is recommended that larger nozzle sizes be used only on soils that can handle higher application rates.
** Senninger recommends 0.69 bar for optimum performance; 0.41 bar can be used for nozzles #12 and larger.
*** For optimum performance, Senninger recommends the use of maximum spacing for 1-2 spans only.
Note: Always mount the i-Wob2 on a minimum of 0.6 m reinforced flexible hose. The hose must be on the outlet end of any semi-rigid or rigid drop.
Keep i-Wobs above crop canopy when outlet spacing exceeds 3.0 m. This is especially important on high profile crops.

Pivot Wobbler® Comparison

Low Pressure - High Performance Sprinklers
Wobbler technology™ was introduced by Senninger® Irrigation in 1978 and became an industry standard. Over the years, Senninger has developed several Wobblers designed to improve irrigation efficiency. These sprinklers are well-known for their ability to spread water in an instantaneous, uniform pattern using very low operating pressures.


	i-Wob2	Xi-Wob	Xcel-Wobbler UP3
Nozzles
	#6 - #26	#7 - #24	#6 - #26
	3/32" - 11/32"	7/64" - 3/8"	3/32" - 11/32"
Flows
	0.80 - 18.35 gpm	1.09- 15.78 gpm	0.8 - 14.98 gpm
Diameters
	26 - 59 ft	30 - 55 ft	43 - 51 ft
Maximum Spacing
	20 ft	20 ft	20 ft
Pressure at the Nozzle
	6 - 15 psi	10 - 15 psi	10 psi

Pivot Wobbler® Comparison (Metric)


	i-Wob2	Xi-Wob	Xcel-Wobbler UP3
Nozzles
	#6 - #26	#7 - #24	#6 - #26
	2.38-10.32 mm	2.78-9.53 mm	2.38-10.32 mm
Flows
	182 - 4168 L/hr	248 - 3584 L/hr	182 - 3402 L/hr
Diameters
	8.0 - 18.0 m	9.1 - 16.8 m	13.1 - 15.5 m
Maximum Spacing
	6.1 m	6.1 m	6.1 m
Pressure at the Nozzle
	0.41 - 1.03 bar	0.69 - 1.03 bar	0.69 bar

Documents

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Literature

Mechanized Irrigation Overview Sheet

USA

UP3 Nozzle Flow Chart

USA

Mechanized Irrigation Catalog

Literature (A4)

Mechanized Irrigation Overview Sheet

Mechanized Irrigation Catalog (A4)

Mechanized Installation

USA

i-Wob2 Installation Sheet

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Components

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Magnum Weight™

Senninger weights provide stability on drops for a number of pivot applicators. The weight’s easy-to-install design lets it remain on the applicator during nozzle changes.

Always be sure the weight is tightly threaded into the bottom of the i-Wob2 (140-inch-lbs torque recommended)

Pressure Regulators

Senninger pressure regulators control excessive and varying inlet pressures to a constant outlet pressure. They allow a system to maintain an accurate flow output at each sprinkler head to ensure proper distribution uniformity.

Recognizing the importance of maintaining correct system pressure and uniform distribution, Senninger offers various models to meet specific flow and installation requirements.

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i-Wob®2 (Metric)

Pivot Wobbler® Comparison

Pivot Wobbler® Comparison (Metric)

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