Reliable Worm Gearboxes for Valves
Diamond Gear supports valve manufacturers, distributors, and service companies with our high-quality worm gearboxes. Our ductile iron and stainless steel quarter-turn worm gears are designed for a wide range of torques and are available with various mounting patterns, giving you limitless options for selecting the right valve solution. We’re committed to providing high-quality, reliable, and durable products that meet your specific needs.
Our Worm Gears
Diamond Gear worm gears are available in both high-strength cast iron and stainless steel for rugged applications. They feature a unique splined stem bushing design for easy customization of stem holes. They’re equipped with O-rings and gaskets for proper sealing and optional motor flange adapters are also available.
Worm Gears – Standard
- 233–341666 ft.-lb.
- Splined stem bushing design allows for quick and economical customization of stem holes. O-Rings and gaskets throughout the housings ensure proper sealing.
- High-strength, cast-iron housings.
- Heavy-duty ISO motor flanges, standard.
- Motor flange adapter, optional.
- High efficiency.
- Available in temperatures from -40 to +400° F.
- 110° of available travel.
Worm Gears – Stainless Steel
- 6000–28,000 in.-lbs.
- Splined stem bushing design allows for quick and economical customization of stem holes. O-Rings and gaskets throughout the housings ensure proper sealing.
- High-strength, stainless-steel housings.
Why Choose Diamond Gear Worm Gears?
By choosing us for your worm gears, you can benefit from:
A large U.S. inventory of worm gear blanks
Custom machining for bolt patterns and stems
Faster delivery than competitors
Optional custom paint and protective finishes
Want to Know How Our Expertise Can Support Your Project?
Request a Quote
Need a worm gear for your project or facility? Contact our expert team for a quick response and personalized support. We’re ready to help you find the perfect gearbox solution for your needs.