ST-90

The ST-90 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 Turf Sports Fields

Radius 103' to 120'

Flow 74.5 to 92.0 GPM

Inlet Size 1½" NPT

Product Line

ST System

Models

Model	Description	Add to List
ST-90-B-73	Synthetic turf rotor, 8 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, 8 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: 103' to 120'
Flow: 74.5 to 92.0 GPM
Operating pressure range: 100 to 120 PSI
Precipitation rate: 1.25 in/hr approximately
Warranty period: 5 years for component parts

User-Installed Options

Rubber Cover Kit ST-90: 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 rotor provides a cost-competitive solution with a radius range up to 120'.

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 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 PSI	Radius ft.	Flow GPM	Precip in/hr
Nozzle	Pressure PSI	Radius ft.	Flow GPM
73 • Orange	100	103	74.5	1.35	1.56
	110	109	77	1.25	1.44
	120	115	79.6	1.16	1.34
83 • Tan	100	112	84.2	1.29	1.49
	110	116	88.1	1.26	1.46
	120	120	92	1.23	1.42
Notes: All precipitation rates calculated for 180 degree operation. For precipitation rate of 360 degree sprinkler divide by 2. Requires minimum 100 PSI dynamic pressure supplied to swing joint inlet.