Diamond Gear Manual Worm Gear Operator
Supporting Documents (1)
library_books
Description
Available as a single surplus industrial gear operator, this is a Diamond Gear 810WG1650 manual worm gear operator configured for heavy-duty valve actuation. The visible drawing and quote identify the unit as a Diamond 810WG1650 worm gear with F40 / F48 mounting, 810,434 in-lb maximum output torque, and a 1650:1 gear ratio. The quote description indicates that the gear was bored and keyed to fit a supplied 60–150 butterfly valve sample gear.
The unit appears palletized and partially stretch-wrapped, with a red-painted gear housing, black handwheel or drive linkage, lifting eyes, and large mounting/interface components visible in the photos. This is a strong candidate for industrial valve repair, actuator replacement, large butterfly valve service, mining, oil sands, pipeline, water, utility, or plant maintenance applications where a high-torque manual worm gear operator is required.
Key Details
| Category | Details |
| Manufacturer / brand | Diamond Gear |
| Model | 810WG1650 |
| Item type | Manual worm gear operator / valve gear actuator |
| Mounting | F40 / F48 mount; drawing references MSS FA40 & FA48 standard mounting flange for valve |
| Intended application noted | Bored and keyed to fit customer’s 60–150 butterfly valve sample gear; buyer must verify fitment |
| Maximum output torque | 810,434 in-lb |
| Maximum input torque | 1,792 in-lb |
| Gear ratio | 1650:1 |
| Mechanical advantage | 447.2 |
| Turns per 90° | 412.5 |
| Output angular stroke | ±20° |
| Handwheel | Approximately 39–40 in handwheel, based on quote and drawing |
| Rim pull at maximum input torque | 91 lb |
| Drawing weight | 930 lb for gear operator |
| Maximum round bore | 7-1/2 in |
| Maximum square bore | 6-5/16 in |
| Keyway shown | 1-3/4 in × 1-1/2 in |
| Quote reference | Dated 9/11/2024 |