The QTW150 manual gearbox has been designed with simplicity in mind, resulting in a robust design with manufacturing optimised to deliver reliability and consistent performance. The QTW150’s simple, rugged construction makes it an ideal choice for quarter-turn valve applications.

The QTW150 quarter-turn worm gearbox is intended for the operation of ball, butterfly, plug and any other quarter-turn valves. These gear operators are well suited for applications in waterworks, chemical, power, HVAC and most general industrial applications.

• Manual input
• 150 Nm (111 lbf.ft) output torque
• Ratio 40:1
• F05 / F07 output flange
• IP65 minimum sealed unit
• Self-locking gearing
• Cast iron housing and cover
• Ductile iron quadrant
• Protected steel input shaft and fasteners
• Standard temperature range -20 to +120° C (-4 to +250° F)
• Optional padlock