What is a through-conduit gate valve?

What is a through-conduit gate valve?

Learn more about through conduit gate valves, their components, and uses.
Table of Contents

Through conduit gate valves are made of strong metallic materials. Depending on the application, they can withstand high pressure and temperature. They can be used in different industrial applications, such as steam power plants, oil and gas refineries, and pharmaceutical companies.

The design of through conduit gate valves allows them to be reused. They are also very durable. Generally, they have a smooth gate bore that reduces the resistance in the fluid flow. Some valves have self-positioning sealing surfaces to prevent the body from thermal deformation.

Through conduit gate valves are available in manual and automatic versions. In the manual version, the user controls the valve with a handwheel. In the automatic version, the user controls the valve with an actuator.

How Does a Through Conduit Gate Valve Work?

Through conduit gate valves are designed to have an open/closed position. This means they can handle both directions of flow. There are two types of valves, the rising stem and the non-rising stem. Both of these valves operate by turning a handwheel.

Rising stem through conduit gate valves is easy to use. They have indicators that let the operator know when the valve is in an open or closed position. The valve also has a low-pressure drop.

Non-rising stem through conduit gate valves is less space-consuming compared to the rising stem counterpart. It requires only a few turns to actuate the valve.

A through conduit gate valve is composed of four parts: the valve body, the bonnet, the gate, and the stem. The bonnet protects the valve stem from internal pressures.

The bonnet is attached to the valve body with bolts. In some cases, an additional support structure is required to provide extra protection. While this increases the cost of the valve, it also adds to the risk.

Uses and Components of a Through Conduit Gate Valve

Through conduit gate valves are used in a variety of industrial applications. They are typically found in water supply, mining, oil and gas, and pharmaceutical industries. There are two main types of through conduit gate valves. These are the rising stem and non-rising stem valves.

The valve body is the largest component of the valve, and it houses the internal parts of the valve. The valve body is typically a bolted two-piece design that isolates the fluid cavity from the valve body.

The seat is the sealing surface in the valve body that prevents the leakage of fluids. Seats can be made of different materials depending on the application. Some of the common materials include elastomeric, fibrous, and soft materials.

The bonnet is another component of the through a conduit gate valve. It is made of the same metallic material as the valve body. Bolts connect the bonnet to the valve body. This makes the bonnet very durable and strong.

A safety device is located in the bonnet to prevent pressure release in the valve body. This device ensures the safe running of the pipeline.

A rising stem through a conduit gate valve is simple to use. However, it occupies a lot of space. Therefore, it is generally not used in situations where space is limited.

XINTAI Valve has made a name for itself as the industry leader when it comes to making and selling valves. The company has over five hundred employees and is headquartered in Longwan District, Wenzhou City. Its most visible product is the gate valve. Having said that, the company is also known for producing many other useful items like oxygen and cryogenic valves.


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