SNE Gears | High-Performance Valve Gearboxes & Accessories

About SNE Gears

Shanghai Smart New Energy Co., Ltd (SNE Gears) is a leading manufacturer of valve gearboxes, accessories, and pneumatic actuators. With over 40 years of experience, we serve industries including oil & gas, water & wastewater, power generation, chemical processing, and HVAC.

We produce over 400,000 high-quality gearbox drives and assembly parts annually, delivering reliable solutions to more than 300 customers worldwide. Our manufacturing facilities are located in Shanghai and Ningjin City, Hebei Province, China.

Expertly designed for optimal performance in harsh environments

Materials: Aluminum, Ductile Iron, Stainless Steel

Protection Ratings: IP67, IP68, sub-sea, underground

Production Management

SNE Gears operates a fully integrated ERP system to ensure complete visibility of every order’s production schedule and progress. Real-time supervision is implemented across all manufacturing stages to enhance efficiency, traceability, and on-time delivery.

Real-time production tracking
Order progress transparency
Streamlined logistics & delivery

Quality Assurance

Quality is at the heart of everything we do. Our advanced inspection protocols and strict adherence to international standards ensure that every gearbox and accessory meets the highest performance and durability benchmarks.

IP67 and IP68 sealing standards
High-performance NBR and specialized seals
Rigorous testing for industrial environments

Our Products

Engineered for reliability, durability, and precision in industrial valve actuation

Quarter-Turn Gearboxes

Ideal for 90° rotation valves such as butterfly and ball valves. Compact design with high torque output and self-locking mechanism.

• Materials: Aluminum, Ductile Iron, Stainless Steel
• Protection: IP67 rated
• Applications: Oil, Gas, Water, HVAC

Multi-Turn (Rotary) Gearboxes

Designed for gate, globe, and rising stem valves requiring multiple rotations. High efficiency with smooth torque transmission.

• Worm gear design
• Output speeds: 1–60 rpm
• Torque range: 50–5000 Nm

Gearbox for Pneumatic Actuator

Robust connection between pneumatic actuators and valves. Ensures precise control and high durability under continuous operation.

• ISO 5211 compliant mounting
• Suitable for double-acting actuators
• Corrosion-resistant finishes

Gearbox for Electric Actuator

1/4 turn worm gearboxes optimized for electric actuator integration. Ensures smooth, quiet, and reliable valve operation.

• Low backlash design
• High efficiency transmission
• Compatible with smart actuators

Travelling Nut Actuator

Screw nut and shifting fork transmission system. High output torque with reliable self-locking for safety-critical applications.

• Self-locking mechanism
• Ideal for ball & butterfly valves
• Durable in high-cycle environments

Customized Gearbox

Tailored solutions for unique valve configurations and operational requirements. From design to production, we deliver engineered excellence.

• Full engineering support
• Prototyping & testing
• Fast turnaround

Mounting Kits

Complete ISO 5211 compliant kits for seamless integration of actuators with valves. Includes brackets, bolts, and alignment tools.

• Universal fit options
• Stainless steel hardware
• Anti-vibration design

Handwheels & Extension Spindles

Manual operation solutions for remote or backup valve control. Ergonomic design with corrosion-resistant materials.

• Foldable and fixed handwheels
• Extension up to 2 meters
• Suitable for underground valves

Lock Devices & Safety Kits

Ensure operational safety with lockout/tagout (LOTO) compatible devices and safety cable kits for hazardous environments.

• LOTO-compliant locks
• Stainless steel construction
• Prevents unauthorized operation

APL210N, APL310N Switch Boxes

Robust switch boxes for actuator position feedback and control. IP67 sealed with terminal block connectivity.

• Limit switches & microswitches
• LED position indicators
• Explosion-proof options

Stainless Steel Pneumatic Angle Seat Valves

Durable, fast-acting valves for steam, air, water, and aggressive media. Ideal for process automation and safety systems.

• 316L stainless steel body
• Diaphragm actuation
• High cycle life

Replacement Parts & Accessories

Comprehensive spare parts catalog including gears, seals, shafts, and housings to minimize downtime.

• OEM-compatible components
• Fast global shipping
• Technical documentation available

Frequently Asked Questions

What is a quarter-turn gearbox?

A quarter-turn gearbox converts manual or actuator input into a 90° rotation, commonly used for operating butterfly, ball, and plug valves.

Can SNE Gears provide custom solutions?

Yes, we offer full custom gearbox design and engineering services tailored to your specific valve type, torque, and environmental requirements.

What materials are used in your gearboxes?

We manufacture gearboxes using aluminum, ductile iron, and stainless steel, depending on application needs and corrosion resistance requirements.

Do your products meet international standards?

Yes, our gearboxes comply with ISO 5211 mounting standards and are rated IP67/IP68 for dust and water resistance.

What industries do you serve?

We serve oil & gas, water & wastewater, power generation, chemical processing, HVAC, and general industrial applications.

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SNE Gears – Precision Valve Actuation Solutions