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Front view of Toro 640 pop-up rotor showing rubber cover, stainless-steel nozzle assembly and compact body for commercial irrigation installations.

Toro 640 Pop-up Rotor - 360° Full Circle, #43, Check-O-Matic

Brand: Toro
Save 27%
$283.33
$205.42
SKU 644-02-43

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The Toro 640 pop-up rotor is a commercial-grade rotary sprinkler built for athletic fields, parks, and large landscape installations. It pairs a high-performance #43 full-circle nozzle with the Check-O-Matic check valve to prevent low-head drainage and protect laterals.

  • 360° full-circle coverage with #43 nozzle; typical radius 47-67 ft depending on operating pressure.
  • Durable stainless steel, engineering plastic and brass construction for long service life in demanding environments.
  • Built-in Check-O-Matic prevents low-head drainage and maintains up to 15 ft elevation change; standard rubber cover reduces impact damage.
  • Pop-up to nozzle: 2 3/8 in; 1 in female inlet; compact exposed diameter and vandal-resistant cap for reliable installation.
  • Recommended operating pressure 40-90 psi (maximum 100 psi); flow range approximately 6-25 GPM by nozzle selection.

Available in multiple arcs and nozzle sizes, the 640 Series offers Valve-In-Head, Check-O-Matic and recycled-water models for flexible commercial irrigation design. Its gear-drive mechanism, stainless-steel retraction spring and nozzle filter ensure consistent performance and easy maintenance.

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Frequently Asked Questions

What is the pop-up height and inlet size?
Pop-up to nozzle measures 2 3/8 in and the rotor uses a 1 in female inlet.
What operating pressure and radius should I expect?
Recommended operating pressure is 40–90 psi (max 100 psi); radius typically ranges 47–67 ft depending on pressure.
Does the rotor prevent low-head drainage?
Yes. The built-in Check-O-Matic check valve prevents low-head drainage and maintains up to 15 ft elevation change.
What materials and features ensure durability?
Constructed from stainless steel, engineering plastic and brass with a rubber cover, gear-drive and stainless retraction spring for long life.