640 Series 41.02 to 90° with Built-in Check Valve
Radius: 14 to 20 m
Considered the most solid and robust sprinkler for commercial applications, the 640 series sprinkler is the most tested and most reliable for large-scale sports and commercial applications. It comes standard with a rubber cover, 5 nozzles, 12 arc adjustments, and a check valve. A wide range of models is available, including those with a valve-in-head and for non-potable water use.
Features
• Standard rubber cover reduces the risk of damage
• Minimum exposed surface area
• Stainless steel rotation assembly and nozzle turret
• Durable Cycolac and stainless steel construction
• Ability to influence rotation speed based on operating pressure and stator used Additional Functions
• 5 different nozzles and 12 arc adjustments
• Models with built-in, normally open, hydraulic valve
• Adjustment screw: allows reduction of the radius by up to 25%
• The check valve eliminates drainage problems at low pressures, retaining water in the pipeline
• Burial up to 13 mm ⁄ below ground level
• Anti-vandal locking collar
• Stainless steel retraction spring
• Turbine-driven rotation mechanism for longer life
• Large filter to prevent clogging
Technical Specifications
• Radius: 14 to 20 m
• Flow range: 23-95 l/min
• Recommended operating pressure: 2.8-6.2 bar
• Maximum pressure: 7 bar
• Pop-up height: 60 mm
• 1" female threaded inlet
• Nozzle trajectory: 27°
Dimensions:
• Diameter of exposed surface when buried 13 mm from ground level: 65 mm
• Body diameter: 65 mm
• Collar diameter: 83 mm
Height:
Models with Check-O-Matic check valve: 230 mm Models with built-in hydraulic valve: 267 mm
• The Check-O-Matic valve retains pressure from 4.6 m of elevation difference