ST-90-B

The ST-90-B synthetic turf rotor is designed for installation in natural turf adjacent to the playing surface — the perfect solution for small and midsize fields.

Application Synthetic Sports Turf Fields

Radius 31.4 to 36.6 m

Flow 16.9 to 20.9 m³/hr

Flow 282.0 to 348 l/min

Inlet Size 40 mm BSP

Product Line

ST System

Models

Model	Description	Add to List
ST-90-B-73	Synthetic turf rotor, 7.5 cm pop-up, jar-top cap, adjustable from 40° to 360°, 1½" (40 mm) BSP inlet, nozzle 73 installed	+
ST-90-B-83	Synthetic turf rotor, 7.5 cm pop-up, jar-top cap, adjustable from 40° to 360°, 1½" (40 mm) BSP inlet, nozzle 83 installed	+

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Contact your local distributor for product availability and ordering.

Specifications

Operating Specifications

Radius: 31.4 to 36.6 m
Flow: 16.9 to 20.9 m³/hr; 282 to 348 l/min
Operating pressure range: 6.9 to 8.3 bar; 690 to 830 kPa
Precipitation rate: 35 mm/hr approximately
Warranty period: 5 years for component parts

User-Installed Options

Rubber Cover Kit ST-90-B: P/N 234200

Download Product Spec Sheet

Features

The perfect solution for small-to-midsize synthetic turf field layouts. Designed for installation adjacent to the synthetic field, the ST-90-B Rotor provides a cost-competitive solution with a radius range of up to 36.5 m.

Key Benefits

Flexible arc adjustment from 40° to 360° offers narrow-to-wide coverage

QuickCheck™ Arc Mechanism lets you verify the arc setting without waiting for the sprinkler to finish its rotation

Through-the-top arc adjustment allows you to easily set the arc at the sprinkler head

Water-lubricated gear drive delivers reliable operation without clogging

Factory-installed rubber logo cap increases athlete safety on the field

Nozzle trajectory: 22.5°

Advanced Features

The ST-90-B rotor features jar-top access to the riser assembly for easy maintenance and a smaller exposed surface area that minimizes sprinkler contact for greater player safety.

Charts

STG-900 Nozzle Performance Data

Nozzle	Pressure		Radius	Flow		Precip mm/hr
	bar	kPa	m	m³/hr	l/min
73 • Orange	7.0	700	31.4	16.9	282	34.3	39.6
	7.5	750	33.2	17.5	291	31.7	36.6
	8.0	800	35.1	18.1	301	29.4	34.0
83 • Tan	7.0	700	34.1	19.1	319	32.8	37.9
	7.5	750	35.4	20.0	333	32.0	37.0
	8.0	800	36.6	20.9	348	31.2	36.1
Note: All precipitation rates calculated for 180° operation. For precipitation rate of a 360° sprinkler, divide by 2. Requires minimum 7.0 bar; 700 kPa dynamic pressure supplied to swing joint inlet.