This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Precision Valve Control
Engineered for Industry

Stard-gears is a leading global provider specializing in valve control technology. Our high-efficiency gearboxes and pneumatic actuators serve oil, chemical, natural gas, nuclear, and water industries with unmatched reliability and performance.

Explore Products Learn About Us
25+
Years Experience
20+
Countries Served
300+
Client Approvals
100K+
Annual Production

Our Products

Engineered for performance, durability, and efficiency across critical industrial applications.

High Efficiency Valve Gearbox

High Efficiency Valve Gearbox

Efficiency gains up to 300% using patented Backstop technology. Ideal for manual and electric applications requiring faster shutdown and fewer turns.

  • Output Torque: Up to 32,000 Nm
  • Efficiency: 51% (vs 25% conventional)
  • Turns to Operate: Reduced by 42%
  • Material: Cast steel, HT optional
LSP Series Linear Pneumatic Actuator

LSP Series Linear Pneumatic Actuator

Modular design for linear motion automation. Suitable for gate, globe, and control valves in demanding environments.

  • Type: Double-acting / Spring-return
  • Application: Rising stem valves
  • Protection: IP67 available
  • Seals: NBR or special materials
YP Series Scotch Yoke Actuator

YP Series Scotch Yoke Actuator

Designed for 90° switching of ball, butterfly, and plug valves. High torque output with compact design.

  • Max Torque: 230,000 Nm
  • Type: Double-acting / Spring-return
  • Modular: Power, drive, spring modules
  • Industries: Oil & Gas, Chemical, Nuclear
SB Bevel Electric Gear Operator

SB Bevel Electric Gear Operator

Multi-turn gearbox for linear-motion valves. Durable cast steel construction with customizable nut materials.

  • Torque Range: 216–6,800 Nm
  • Ratio: 2.3:1 to 8:1
  • Nut Options: Bronze, D2, QT
  • Applications: Gate, globe, stop valves
Declutchable Gearbox

Ductile Iron Declutch Gearbox

Robust design with declutch mechanism for manual override. Ideal for remote or automated valve control systems.

  • Material: Ductile iron
  • Function: Manual override capability
  • Protection: IP67 standard
  • Compatibility: Quarter-turn and multi-turn valves
Multi-turn Gear Operator

Bevel Gearbox Multi-turn Operator

High-torque solution for gate and globe valves. Offers extended ratio range and superior mechanical advantage.

  • Torque Range: 220–13,500 Nm
  • Ratio: 2.3:1 to 71.1:1
  • Construction: Cast steel
  • Industries: Energy, offshore, pharmaceutical
Underground Pipe Valve Gearbox

Underground Pipe Valve Gearbox

Specialized for buried valve applications. Designed for long-term reliability in harsh underground conditions.

  • Gear Ratio: 182:1 to 780:1
  • Design: Corrosion-resistant
  • Operation: Remote handwheel extension
  • Use Case: Water, sewage, municipal systems
Specialized Application Gearbox

Specialised Application Gearboxes

Custom-engineered solutions for unique industrial challenges. OEM support and rapid prototyping available.

  • Customization: Full OEM support
  • Industries: Nuclear, offshore, high-pressure
  • Testing: Torque, endurance, environmental
  • Compliance: International standards
View All Products

Why Choose Stard-gears?

Factory Equipment

Modular Solutions

Our products feature modular designs with power, drive, and spring modules, offering unmatched flexibility for evolving industrial demands and custom configurations.

High Protection & Durability

NBR seals (or special materials) used in critical connections. Most products achieve IP67 protection level, ensuring reliability in harsh environments.

Advanced Manufacturing

Equipped with high-precision CNC machines, machining centers, and advanced testing facilities. Our R&D team ensures cutting-edge innovation and quality control.

High Output Capacity

Scotch Yoke Actuators deliver up to 230,000 Nm torque. Linear Pneumatic Actuators achieve maximum thrust of 380 KN — engineered for extreme performance.

About Stard Automation

Based in Suzhou, China, Stard Automation leverages the well-established supply chain of the Yangtze River Delta region. This strategic advantage ensures superior casting, machining capabilities, and spare parts procurement — enabling fast delivery without compromising quality.

With over 25 years of experience, we serve clients across 20+ countries and have earned approvals from more than 300 global customers. Our annual production exceeds 100,000 units, reflecting our scale, reliability, and commitment to excellence.

We partner with industry leaders including CRANE, CIRCOR, Velan, Warren, CNNC SUFA, and KF Valves — a testament to our engineering integrity and global trust.

Factory Tour Team Working Quality Testing Equipment

Global Collaborations

Trusted by industry leaders worldwide

CRANE Germany Team Visit

Technical collaboration and factory audit conducted in 2023

CIRCOR USA Partnership

Joint development projects and OEM supply agreements

CNNC SUFA Torque Testing

On-site technical validation for nuclear applications

Velan Italy Collaboration

Joint valve and actuator integration testing

Warren Valve Audit

Quality and production capacity review

Danish Customer Visit

Custom solution demonstration and feedback session

Latest News

2025 Chinese New Year Holiday Schedule

We extend our gratitude to all customers for their continued support. Our team will resume operations on February 17, 2025.

Posted: January 2025

STARD AUTOMATION Annual Meeting 2024

Celebrating another year of growth, innovation, and team excellence. Sales targets achieved with strong market expansion.

Posted: December 2024

Valve World Düsseldorf 2024

Our team participated in Valve World from December 3–5, connecting with global partners and showcasing new innovations.

Posted: December 2024

KF Valves Team Visit

Strengthening cooperation with KF Valves (formerly CIRCOR) on integrated valve automation solutions.

Posted: November 2024

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to contact the Stard-gears team directly.

Visit Official Website

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact [email protected] via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系[email protected] 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact [email protected]

如果您是其他域名合作 也请联系[email protected]