Multi Turn Spur Gearbox
Welcome to Viral Industries, a renowned multi turn spur gearbox manufacturer and exporter in the USA, Europe, Canada & Gulf. Our multi-turn gearbox is designed to handle high torque and high-speed applications and is available in a variety of sizes and ratios to meet your specific needs. It is made with high-quality materials and precision engineering to ensure durability and reliability in demanding environments.
Furthermore, our multi-turn spur gearbox can deliver torque ranging between 300 Nm – 40000 Nm (221 lbf-ft – 29,502 lbf-ft).
For more information on our multi-turn spur gearbox or to request a quote, contact Viral Industries today. We would be happy to answer your questions and assist you with the best outcome.
Note: Our manufacturing unit is only in India, but we export multi turn spur gearbox to the USA, Europe, Canada, and Gulf.
Models of Multi-Turn Spur Gearbox
Our multi-turn spur gearboxes deliver precise, high-torque control for gate, globe & sluice valves, available in manual and actuator-driven models with IP65–IP68 protection, ISO 5211 compatibility, and rugged design for oil, gas, water & power applications.
Multi-Turn Spur Gearbox for Non-Rising Stem (SGB Models for Manual or Hand-Wheel Operation)
Engineered for precise, high-torque control of gate & globe valves, our SGB series delivers 300-40,000 Nm with low hand-wheel effort. Ideal for water, power & chemical plants where manual operation demands reliability and ease.
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| Viral Ind. Model No. | Output Torque Capacity | Gear Ratio | M.A.(±10%) | Hand-Wheel Diameter | Hand-wheel Effort | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nm. | lbf-ft | mm | Inch | lbs | Kilogram | |||||||
| SGB 300 | 300 | 221 | 3:1 | 2.6 | 400 | 16 | 128 | 58 | ||||
| SGB 600 | 600 | 443 | 4:1 | 3.5 | 500 | 20 | 153 | 70 | ||||
| SGB 1000 | 1000 | 738 | 5:1 | 4.4 | 600 | 24 | 170 | 77 | ||||
| SGB 2000 | 2000 | 1475 | 10:1 | 8:1 | 8.8 | 7.0 | 600 | 24 | 170 | 213 | 77 | 97 |
| SGB 3000 | 3000 | 2213 | 10:1 | 8:1 | 8.8 | 7.0 | 600 | 24 | 256 | 320 | 116 | 145 |
| SGB 4500 | 4500 | 3319 | 12:1 | 10:1 | 10.6 | 8.8 | 700 | 28 | 274 | 329 | 124 | 149 |
| SGB 6000 | 6000 | 4425 | 14:1 | 12:1 | 12.3 | 10.6 | 700 | 28 | 313 | 365 | 142 | 166 |
| SGB 10000 | 10000 | 7376 | 19:1 | 16:1 | 16.7 | 14.1 | 1000 | 40 | 269 | 320 | 122 | 145 |
| SGB 20000 | 20000 | 14751 | 24:1 | 20:1 | 21.1 | 17.6 | 1000 | 40 | 426 | 511 | 193 | 232 |
| SGB 40000 | 40000 | 29502 | 30:1 | 24:1 | 26.4 | 21.1 | 1000 | 40 | 682 | 852 | 309 | 387 |
Multi-Turn Spur Gearbox for Non-Rising Stem (SGBE Models for Actuator Operation)
Engineered for automated gate & globe valves, our SGBE series delivers precise torque (300–40,000 Nm) with ISO 5211 flanges, ideal for electric/pneumatic actuators in water, power & chemical plants. Built rugged, tested reliable.
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| Viral Ind. Model No. | Output Torque Capacity | Gear Ratio | M.A.(±10%) | Input Torque Capacity | Mounting Flange at Actuator Side (ISO 5210) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nm. | lbf-ft | Nm. | Inch | ||||||||
| SGBE 300 | 300 | 221 | 3:1 | 2.6 | 114 | 84 | F10, F14 | ||||
| SGBE 600 | 600 | 443 | 4:1 | 3.5 | 170 | 126 | F10, F14 | ||||
| SGBE 1000 | 1000 | 738 | 5:1 | 4.4 | 227 | 168 | F14 | ||||
| SGBE 2000 | 2000 | 1475 | 10:1 | 8:1 | 8.8 | 7.0 | 227 | 284 | 168 | 210 | F14, F16 |
| SGBE 3000 | 3000 | 2213 | 10:1 | 8:1 | 8.8 | 7.0 | 341 | 426 | 251 | 314 | F14, F16 |
| SGBE 4500 | 4500 | 3319 | 12:1 | 10:1 | 10.6 | 8.8 | 426 | 511 | 314 | 377 | F14, F16 |
| SGBE 6000 | 6000 | 4425 | 14:1 | 12:1 | 12.3 | 10.6 | 487 | 568 | 359 | 419 | F14, F16 |
| SGBE 10000 | 10000 | 7376 | 19:1 | 16:1 | 16.7 | 14.1 | 598 | 710 | 441 | 524 | F16, F25 |
| SGBE 20000 | 20000 | 14751 | 24:1 | 20:1 | 21.1 | 17.6 | 947 | 1136 | 698 | 838 | F16, F25 |
| SGBE 40000 | 40000 | 29502 | 30:1 | 24:1 | 26.4 | 21.1 | 1515 | 1894 | 1118 | 1397 | F25, F30 |
Multi-Turn Spur Gearbox for Rising Type Stem
Engineered for gate, globe & check valves with rising stems, our SGB/SGBE series delivers high thrust (90–4800 kN) with top-mounted handwheel or actuator compatibility. Ideal for buried, marine & industrial applications requiring precise linear valve control.
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| Viral Ind. Model No. | Rising Type Stem Thrust (kN.) |
|---|---|
| SGB 300 / SGBE 300 | 90 |
| SGB 600 / SGBE 600 | 154 |
| SGB 1000 / SGBE 1000 | 245 |
| SGB 2000 / SGBE 2000 | 276 |
| SGB 3000 / SGBE 3000 | 610 |
| SGB 4500 / SGBE 4500 | 950 |
| SGB 6000 / SGBE 6000 | 1155 |
| SGB 10000 / SGBE 10000 | 1420 |
| SGB 20000 / SGBE 20000 | 2280 |
| SGB 40000 / SGBE 40000 | 4800 |
Features and Benefits:
- Useful for rising stem (gate, globe, check valve).
- Removavle adopter sleeve (stem nut) of alluminum bronze.
- Able to take thrust as mention in the table.
- Useful for burried application.
- Top mounted hand-wheel.
- Convertible for actuator operation.
- Clock-wise input will give clock-wise output.
Customised Multi-Turn Spur Gearbox with Higher Ratio
Engineered for extreme torque reduction and precise valve control, our custom spur gearboxes offer higher ratios to minimize hand-wheel effort or actuator load, ideal for large gate/globe valves in power, water & chemical plants where fine control and reliability matter most.
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Valve Mounting Detail
Ensure perfect fit every time, our multi-turn spur gearboxes support ISO 5211 flanges (F10 to F60) and spindle diameters from 30mm to 190mm, designed for seamless integration with gate, globe & check valves across global industrial applications.
| Viral Ind. Model No. | Valve Side Mounting Flange (ISO 5210) | Max. Spindle (Stem) Diameter (mm) |
|---|---|---|
| SGB 300 / SGBE 300 | F10, F12 | 30 |
| SGB 600 / SGBE 600 | F12, F14 | 40 |
| SGB 1000 / SGBE 1000 | F16, F25 | 50 |
| SGB 2000 / SGBE 2000 | F25, F30 | 80 |
| SGB 3000 / SGBE 3000 | F25, F30 | 90 |
| SGB 4500 / SGBE 4500 | F30, F35 | 100 |
| SGB 6000 / SGBE 6000 | F30, F35 | 120 |
| SGB 10000 / SGBE 10000 | F30, F35, F40 | 125 |
| SGB 20000 / SGBE 20000 | F35, F40, F48 | 150 |
| SGB 40000 / SGBE 40000 | F40, F48, F60 | 190 |
Features:
- Clockwise rotation of input will give clockwise rotation of output.
- Bearings supported assembly.
- Suitable for Actuator operation.
- Removable stem sleeve.
- Grease Lubricant Gearbox.
- Higher ratio options to reduce effort.
- Available for marine application.
- Suitable for buried application.
Temperature Limit:
- Normal application -20˚C To 120˚C
- High temperature application up to 150˚C
- Low temperature application up to -50˚C
Material Options for Stem sleeve:
- AB-2, Ni-D2, S.G.Iron, Manganese Bronze
Enclosure:
- IP-65 ,IP-67, IP-68
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Why Choose Us?
At Viral Industries, we are driven by innovation, integrity, and engineering excellence. Our expertise in valve gearbox manufacturing allows us to deliver reliable solutions that adapt to your industry’s toughest challenges - ensuring performance, precision, and long-term trust.
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Flexibility
We understand that every industry has unique requirements. That’s why our manufacturing process is designed for customization and adaptability - ensuring that every gearbox we produce meets your exact operational needs.
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Quality
Quality is at the core of everything we do. From raw material selection to final inspection, we follow stringent quality standards to deliver gearboxes that perform flawlessly, even under the most demanding conditions.
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Sustainability
We are committed to sustainable manufacturing practices that minimize waste and energy consumption. Our goal is to build products that not only perform efficiently but also contribute to a greener industrial future.
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Transparency
Honesty and clarity define our partnerships. We maintain open communication throughout every project - from design to delivery - ensuring you always know what to expect, with no hidden surprises.
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Custom Gearbox Solutions. Trusted Worldwide
As a leading valve gearbox manufacturer, we deliver high-performance, custom gearbox solutions for global industrial applications. We design and build durable valve gearboxes that ensure smooth, reliable operation in challenging industrial environments across the globe.
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100+
Satisficed Clients
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21000sq. ft.
area of manufacturing unit
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300Nm to 250000Nm
We manufacture sizes of gearbox
We export in20+Countries
Our Clients
Get the Answers You Need to Move Forward.
Get clear, concise answers to the most common questions about valve gearboxes. Make informed decisions with expert insights and practical guidance.
A multi-turn spur gearbox provides linear motion control for gate, globe, and sluice valves by converting rotary input into multiple turns of the stem. It’s essential in water treatment, power plants, oil & gas, and irrigation systems where precise flow regulation and high thrust are required.
Yes. Our SGB/SGBE series supports non-rising stem applications, while customized configurations handle rising stem valves. Both types deliver thrust up to 4,800 kN and are built for buried, marine, or industrial environments with IP65-IP68 protection.
Our gearboxes deliver output torque from 300 Nm to 40,000 Nm and thrust force from 90 kN to 4,800 kN, making them suitable for small pipelines to large infrastructure projects in water, power, and chemical sectors.
Absolutely. Models like SGBE are designed for seamless integration with electric, pneumatic, or hydraulic actuators. They feature ISO 5211-compliant mounting flanges and precise input torque matching for reliable automated valve control.
Yes. We offer customized multi-turn spur gearboxes with higher gear ratios to reduce hand-wheel effort or actuator load, ideal for large valves where smooth, low-effort operation is critical without compromising on durability or precision.