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Rotork QTW150 - Quarter-Turn Worm Gearbox
Brand: Rotork PLCThe 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