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Rotork HOW/MPR Series Hand Operated Worm Gearbox
Brand: Rotork PLCDesigned to suit manual applications, the HOW/MPR worm gear operators are quarter-turn devices intended for the operation of ball, plug and butterfly valves.
The HOW/MPR gear operators include low lead angle gearing designed to be inherently self-locking.
Torque range from 39,000 Nm (28,765 lbf.ft) to 264,000 Nm (194,716 lbf.ft). 9 sizes. Ratios from 1229:1 to 7171:1.
Features- Carefully chosen ratios to meet manual rim effort requirements
- Protected steel input shaft
- Removable output sleeve
- Ductile iron gearcase
- Angular contact bearings supporting worm shaft
- Repositionable baseplate facility
- Options:
- High and low temperatures
- Stainless steel input shaft
- All types of environment
- Limit switches
- Fixed and flexible extensions
- Chain wheels
Specifications
Brand
Operating Temperature
- -40° to 250° F (-40° to 120° C)
Environmental Protection
- IP67
- IP68
Shaft Material
- Input Shaft: Protected Steel
- Worm Shaft: Steel
Flange Material
- SG Iron
Seal Material
- Nitrile Rubber
Gearcase Material
- Ductile Iron
Material of Construction
- Baseplate: SG Iron / Cast Iron
- Fasteners: Protected Steel
- Output Sleeve, Position Indicator: Steel
- Quadrant: SG Iron
