SR Series Gearbox

SR Series Gearbox

The Flowserve Limitorque SR series spur gearboxes are engineered for manual or motorized operation of gate and globe valves, as well as slide gates, ideal for applications with limited space or high vibration.

Brand: Limitorque
Category: Limit Switch
Industries <ul><li><strong>Water:</strong> Water Management, Wastewater</li><li><strong>Oil & Gas:</strong> Midstream Transportation, Downstream Processing</li><li><strong>Power:</strong> Conventional Steam</li></ul>
Enclosure Rating IP67 for weatherproof and temporary submersion service.
Options Spur gear attachments reduce input torque required for manual operation.
Input Type Manual input or motorized (can be motorized with Limitorque MX, L120, or SMB actuators).
Housing Material Ductile Iron
Max Input Torque Required 83 Nm (61 ft-lb)
Design Temperature <ul><li><strong>Standard:</strong> -35°C to 90°C</li><li><strong>Low Temp Option:</strong> -50°C</li></ul>
Type Spur Multi-Turn Gearbox (gate and globe valves, slide gates).
Mounting Options MSS as standard; ISO available as an option.
Max Output Thrust 4,700 kN (1,056,600 lbf)
Output Shaft Type Splined, keyed shaft options available.
Gear Ratio Ranges from 4:1 to 17:1
Max Output Torque 37,000 Nm (27,290 ft-lb)
Configurations Weatherproof or Submersible

Engineered for high vibration or tight space requirements owing to parallel input shaft and output drive sleeve

Application versatility provided by available weatherproof and submersible constructions as well as a wide range of output speeds and torques

Increased uptime facilitated by roller bearing-supported shaft and high-strength gearing, which are rated for extremely high thrust and torque requirements

High strength and durability provided by ductile iron housing and roller bearing-supported shafts and drive sleeve

-30°C to 90°C ambient temperature range

No manuals available at this time.