Handwheels
Suited for Cameron products
6- to 48-in sizes, many in recessed or flat versions.
Dynatorque DT
Quarter-turn severe-service gear operators
Overview
Dynatorque DT™ quarter-turn severe-service gear operators provide a single-source solution for both standard and customized gears. Our high-quality products are available with many different frame and spur combinations and in a range of materials.
Applications
These gear operators can be used with manual and automated valves deployed in a range of industries, such as oil and gas, chemicals, paper and pulp, and food processing. In fact, they are suitable for any application that requires valve operation, including marine, submerged, and high- and low-temperature applications.
Benefits
Dynatorque DT gear operators provide you with a mechanical advantage and can be supplied to meet your specific mounting requirements. A robust manufacturing process with rigorous approval standards (such as ISO standards) delivers products you can count on.
Features
- Standard mounting or configured to your requirements
- Compatibility with American Water Works Association (AWWA) criteria
- Valve locking devices
- Declutchable and nondeclutchable manual override availability
- Partial-stroke test device
- Spur and miter gear option
- Handwheels
Tech Specs
| Model | Unit Weight, lbm | Max. Output Torque, lbf.in | Gear Ratio | Turns for 90° | Standard Bore, in | Standard Key Size, in | Bolt Circle Diameter, in | Mechanical Advantage | Handwheel Size, in | Rim Pull, lbf |
|---|---|---|---|---|---|---|---|---|---|---|
| Model DT3SG | Unit Weight, lbm 8 | Max. Output Torque, lbf.in 3,000 | Gear Ratio 30:1 | Turns for 90° 7.5 | Standard Output Bore 1.000 | Standard Key Size, in × in 0.250 | Standard Mounting Pattern (Bolt Circle) 3.250 | Mechanical Advantage 8.10 | Handwheel Size, in 14 | Approximate Rim Pull, lbf 53 |
| Model DT7SG | Unit Weight, lbm 14 | Max. Output Torque, lbf.in 7,000 | Gear Ratio 48:1 | Turns for 90° 12 | Standard Output Bore 1.750 | Standard Key Size, in × in 0.375 | Standard Mounting Pattern (Bolt Circle) 5.000 | Mechanical Advantage 12.96 | Handwheel Size, in 18 | Approximate Rim Pull, lbf 60 |
| Model DT21SG | Unit Weight, lbm 33 | Max. Output Torque, lbf.in 21,000 | Gear Ratio 60:1 | Turns for 90° 15 | Standard Output Bore 2.500 | Standard Key Size, in × in 0.500 | Standard Mounting Pattern (Bolt Circle) 5.512 | Mechanical Advantage 13.20 | Handwheel Size, in 36 | Approximate Rim Pull, lbf 88 |
Notes
- Handwheels listed are recommended sizes to produce full rated torque with the rim effort listed.
- Bores, keyways, and mounting patterns listed are for SLB standard stock.
- Standard mounting patterns on the DT3SG, DT7SG, and DT21SG are four tapped holes, straddling the centerline at 45°.
Helpful links
About SLB