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Instantly add the Rotork QTW150 - Quarter-Turn Worm Gearbox and 50,000+ more product series to your store or catalog  
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Rotork QTW150 - Quarter-Turn Worm Gearbox

Brand: Rotork PLC
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The QTW150 manual gearbox has been designed with simplicity in mind, resulting in a robust design with manufacturing optimized 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.
Features
  • 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

Specifications

Brand

Torque, Nm (Lbf.in)

  • 150 (1,332)

Ratio

  • 40:1

MA (±15%)

  • 10

Input Torque, Nm (Ibf.in)

  • 15 (132)

Handwheel Size, mm (inch)

  • 100 (4)

Stem Maximum Bore+rect. BS Key, mm (inch)

  • 22 + 6k (0.8125 + 0.25K)

Maximum Square, mm (inch)

  • 20AF (0.75AF)

Maximum DD, mm (inch)

  • 28 x 20AF (1.0625 x 0.75AF)

Maximum Stem Height, mm (inch)

  • 45 (1.75)

Output Flange

  • F/FA05 - F/FA07

Weight, Kg (Lbs)

  • 2.07 (4.56)

Environmental Protection

  • IP65

Material of Construction

  • Button Head Screw: Nickel-Plated Steel
  • Coil Pin: Alloy Steel
  • Flange Bush: PTFE Steel-Backed
  • Hexagon Head Screw, Hex Nut & Input Shaft: Zinc-Plated Steel
  • Indicator: Plastic
  • Quadrant: Ductile Iron
  • Slotted Pin: Alloy Steel
  • Thrust Bush: PTFE
  • Worm: Carbon Steel

Temperature Range

  • -4° to 250° F (-20° to 120° C)

Enclosure, Body Material

  • Cast Iron

Seal Material

  • Lip Seal: Nitrile Rubber
  • Stop Bolt Seal: Silicon

O-Ring Material

  • Nitrile Rubber

Documentation

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