Products

Leading Gate Valve Manufacturer with Decades of Expertise

Gate Valve We’re a reliable valve manufacturer based in China, with our own brand — Huadu.


We offer custom OEM and ODM solutions to meet different project needs.

Best of all, our MOQ is only 1 piece for gate valves and all other valve types.

We maintain plenty of stock all year round, so we can ship out your order quickly after confirmation.We make both stainless steel and carbon steel gate valves.


How should I operate a gate valve?

A gate valve is mainly for fully opening or fully closing the pipeline.

It can only control on and off, not for adjusting flow.

Simply turn the handwheel clockwise to close the valve, and counterclockwise to open it.

It is better not to keep it half-opened for long, to avoid damage and leakage.


Gate Valve vs Ball Valve?

Gate valves are designed only for full open and full shut use.

It’s used to completely cut off fluid flow, not suitable for flow regulation.

Good for high pressure, high temperature and large pipeline systems, with low flow resistance when fully open.

Ball Valve:Quick on-off operation with just a 90-degree turn.

It can not only shut off flow, but also do simple flow control.

More compact, durable and leak-tight, ideal for daily industrial, water and chemical working conditions.


How to check whether the valve is open or closed?

It’s easy to tell the status by the handwheel and stem.

For gate and ball valves, it’s simple to operate.

Twist the handwheel clockwise to close the valve all the way.

Turn it counterclockwise, and it will open fully.

You can also check the valve stem to know its state.

If the stem is sticking out, the valve is open.

If it’s tucked back inside, that means it’s fully closed.

For lever-operated ball valves:

Lever in line with the pipe = open

Lever cross the pipe = closed


Why does the gate valve have leakage?

There are a few common reasons for gate valve leakage.

First, the sealing surface may get worn or dirty, with sand, dirt or impurities stuck between the seal and valve plate, which will cause poor sealing.

Second, long-term use or high pressure will damage the internal gasket and sealing parts.

Besides, if the valve is not fully closed, or often kept in a half-open state, it will also lead to medium leakage.

Improper installation and uneven pipeline pressure are also common causes.



View as  
 
Hard Seal Gate Valve

Hard Seal Gate Valve

Huadu Valve Group is based in Wenzhou, China, supplying reliable industrial valves of great quality. Our star product, the Hard Seal Gate Valve, adopts thick metal bodies with Stellite alloy overlay wedges, featuring outstanding high temperature and pressure resistance. Designed with full through-conduit and metal-to-metal hard sealing, it achieves tight bubble-tight shutoff and negligible flow loss during operation. It serves steam, thermal power, petrochemical and high-temperature pipeline projects perfectly.
Corrosion Resistant Gate Valve

Corrosion Resistant Gate Valve

Huadu Valve Group is situated in Wenzhou, China, making heavy-duty industrial valves built to hold up against tough site conditions. Our best-selling Corrosion Resistant Gate Valve uses dedicated anti-corrosion alloys like CF3M, Alloy 20 and titanium. Unlike regular carbon steel valves that easily corrode in acid, alkali or salt water, these alloys stay intact over long-term use. Each valve comes with alloy-clad wedges and a full straight bore, keeping zero leakage and low flow resistance when carrying corrosive liquids. It works great for chemical plants, seawater desalination and wastewater treatment pipelines.
High-Pressure Gate Valve

High-Pressure Gate Valve

Huadu Valve Group is based in Wenzhou, China, supplying durable, dependable industrial valves worldwide. Our flagship High-Pressure Gate Valve adopts sturdy A105 and WCB carbon steel to stand up to extreme pressure and temperature fluctuations. Equipped with Stellite hardfaced wedges and full bore design, it achieves tight shutoff with minimal flow resistance and stable long-term operation, ideal for oil & gas refineries, thermal power plants and high-pressure chemical pipelines.
Gb Gate Valve

Gb Gate Valve

Huadu Valve Group runs our valve factory in Wenzhou, China, offering sturdy industrial valves that meet strict domestic standards. Our popular GB Gate Valve is manufactured fully following national GB standards, adopting solid wedge design with good pressure and temperature tolerance. Equipped with standard flanged connections, it features full port passage to minimize flow resistance and delivers stable shut-off performance. It is widely used for heating, water supply, chemical and power station piping systems.
Stainless Steel 316L Flanged Gate Valve

Stainless Steel 316L Flanged Gate Valve

Huadu Valve Group manufactures industrial valves in Wenzhou, China, focusing on corrosion-resistant pipeline solutions. Our featured Stainless Steel 316L Flanged Gate Valve adopts premium 316L stainless steel, featuring excellent resistance to acid, salt water and chloride mediums. Equipped with flanged ends and a solid wedge sealing structure, it delivers full bore flow and stable two-way shutoff with little pressure loss. It is widely adopted in seawater desalination, fine chemical and marine engineering pipelines.
Stainless Steel 304 Flanged Gate Valve

Stainless Steel 304 Flanged Gate Valve

Huadu Valve Group’s factory is based in Wenzhou, China, supplying durable industrial valves for corrosive piping environments. Our popular Stainless Steel 304 Flanged Gate Valve, which stands up well to rust and mild acid corrosion. It comes with flanged ends and a solid wedge structure, supporting full straight flow and reliable two-way shutoff without big pressure drops. This valve is commonly installed on chemical, sewage and offshore water pipelines.
Industrial Gate Valve

Industrial Gate Valve

Huadu Valve Group runs our factory in Wenzhou, China, and we supply tough industrial valves built for long service life. Our popular industrial gate valve is cast from solid WCB carbon steel, holding up well under high pressure and heat. It comes with flanged connections and a wedge design, delivering full straight flow and tight bidirectional sealing with little pressure drop. This valve suits steam lines, chemical plants and water treatment sites very well. We are a certified valve factory with ISO and API approvals. We have full production gear and run thorough quality checks on every unit. We take OEM and ODM custom requests and can work with flexible small orders. Our solid gate valves ship to many countries and are well-liked by buyers everywhere.
Gate Valve Flanged End

Gate Valve Flanged End

Huadu Valve Group is located in Wenzhou, China, offering durable industrial valves. Our Gate Valve Flanged End uses sturdy WCB carbon steel, great for high temperature working environments. With flanged connection and wedge structure, it brings full bore flow and reliable shut-off effect. It fits steam, chemical and water treatment pipelines well. We hold ISO and API certificates with complete production and inspection lines. OEM and ODM customization is welcome with flexible MOQ. Our valves sell worldwide and are highly praised by overseas customers.
Wcb Flange Gate Valve

Wcb Flange Gate Valve

Huadu Valve Group is located in Wenzhou, China. We deliver durable, high-quality industrial valves to customers worldwide. Our star product, the Wcb Flange Gate Valve, uses solid WCB cast steel, so it stays sturdy even under high pressure. With flanged joints and a straight flow channel, it closes tightly and creates almost no flow resistance. It works great for power plants, chemical sites and water supply pipelines.
Huadu Valve is a professional Gate Valve manufacturer and supplier in China. We warmly welcome you to buy high quality products at competitive price from our factory.
X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.Privacy Policy
RejectAccept