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Gearbox Gate Valves

We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Gearbox Gate Valves, To acquire a consistent, profitable, and constant development by getting a aggressive advantage, and by continuously increasing the value added to our shareholders and our employee.
Gearbox Gate Valves, Our products have mainly exported to south-east Asia Euro-America, and sales to all of our country. And depending on excellent quality, reasonable price, best service, we have got good feedback from customers overseas. You are welcomed to join us for more possibilities and benefits. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

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  • Steel Gate Valves

    Steel Gate Valves

    Hanno Valve Steel Gate Valves are suitable for a variety of working conditions, including petroleum, chemical, pharmaceutical, fertilizer, power and other industries, suitable for cutting off or connecting pipeline media, but can not be used for regulating and throttling. The structure design of Gate Valves is reasonable, the opening and closing is less labor, the medium flow is not restricted, the flow is not disturbed, the pressure is not reduced, the operation is relatively easy.
  • High Pressure Gate Valves

    High Pressure Gate Valves

    Hanno Valve is specializing in the production of High Pressure Gate Valves. The main advantages of High Pressure Gate Valves include good sealing performance, high pressure bearing capacity, simple structure and easy maintenance.
  • Big Size Gate Valves

    Big Size Gate Valves

    Big Size Gate Valves are main products and superior product of Hanno Valve in domestic and foreign markets. Big Size Gate Valves of Hanno Valve adopt to resin-sand technology castings, with high quality, better apperance and accurate dimension.
  • Swing Type Check Valves

    Swing Type Check Valves

    Hanno Valve advanced Swing Type Check Valves have the advantages of simple and compact structure, beautiful appearance and easy maintenance. Swing Type Check Valves are suitable for preventing media counterflow, especially for clean media, but not suitable for media containing solid particles and large viscosity.Swing Type Check Valves can be installed horizontally or vertically, easy installation, smooth flow path, small fluid resistance
  • DIN Check Valves

    DIN Check Valves

    Hanno Valve DIN Check Valves adopt advanced sealing technology and materials, such as sealing surface surfacing Co carbide, etc., to ensure that DIN Check Valves have good sealing performance in the closed state, prevent media leakage, and keep the pipeline system clean and safe.
  • DIN Globe Valves

    DIN Globe Valves

    Hanno Valve DIN Globe Valves are usually composed of body, cover, stem, disc, seals, etc., and are designed to provide reliable sealing performance and stable flow control.During installation, it is necessary to pay attention to the flow direction of the medium to ensure the normal operation of the valve and a good sealing effect.
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  • What Makes a Steel Gate Valve the Best Choice for Your Tough Applications?

    When you're specifying valves for critical industrial systems, the pressure is on. You need a component that won't just function but will endure—handling high pressures, extreme temperatures, and corrosive media with unwavering reliability. So, why do engineers and procurement specialists consistently turn to Steel Gate Valves for the most demanding jobs? The answer lies in a combination of robust design, superior material strength, and precision engineering.

  • Why Choose Welded End Gate Valves for Your Pipeline Needs?

    Welded End Gate Valves are vital components for controlling the flow of fluids in a wide variety of industries, including oil and gas, chemical processing, water treatment, and more. These valves offer a range of benefits, such as increased durability, reduced leakage, and enhanced flow control. In this article, we will discuss the key features, applications, and advantages of Welded End Gate Valves, highlighting why they are an essential choice for any pipeline system.

  • What Makes High Pressure Check Valves Essential for Reliable Fluid Control?

    ​High Pressure Check Valves play a critical role in industrial fluid systems where backflow prevention, pressure stability and operational safety are required. Their ability to handle demanding working environments—such as oil & gas pipelines, hydraulic systems, chemical processing, and high-pressure water lines—makes them indispensable across industries. For companies seeking durable and precision-engineered solutions, manufacturers such as Zhejiang Hengnuo Valve Manufacturing Co., Ltd. provide High Pressure Check Valves designed to meet global performance and safety standards.

  • What Materials & Advantages Make Hanno Valve High Temperature Gate Valves Ideal For Thermal Pipeline Projects?

    High temperature fluid pipelines in petrochemical, thermal power and coal chemical industries demand durable shut-off valves that resist heat and corrosion. High Temperature Gate Valves produced by Hanno Valve (Zhejiang Hengnuo Valve Manufacturing Co., Ltd.) adopt WC6, WC9 and heat-resistant alloy castings, with flat bottom anti-block structure and lightweight design.

  • How Can Gearbox Globe Valves Improve Industrial Flow Control Performance and Reliability

    Gearbox Globe Valves are widely used in demanding industrial applications where precise flow regulation, reliable shut-off, and long-term durability are required. This article explains the working principles, structural advantages, application fields, selection factors, and maintenance considerations of gearbox-operated globe valves. Designed for large-scale pipelines and high-pressure environments, these valves provide enhanced operational efficiency through mechanical transmission and accurate control.

  • API Check Valves: A Practical Guide to Selection, Installation, and Maintenance

    In industrial sectors such as oil refining, petrochemicals, and pipeline transportation, check valves play an essential role in preventing medium backflow and protecting critical equipment like pumps and compressors. Among the various standards available, the API (American Petroleum Institute) standard system represents one of the most widely adopted technical specifications globally. This article provides a hands-on guide covering the core API check valve standards, key selection criteria, installation best practices, and testing requirements.

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