Buried soft-seated gate valves and conventional soft-seated gate valves are both common types of valves in pipeline systems, with significant differences in design, structure, and application. This article will delve into the differences between these two types of valves and provide a detailed comparison of their features.

Structure Design

1. Installation location

Conventional soft-seated gate valves are typically installed on the surface of pipelines or equipment, making them easy to operate and maintain.

Buried soft-seated gate valves are designed to be buried underground in pipelines to save space and protect the valves from external environmental impacts.

2. Anti-corrosion treatment

Conventional soft-seated gate valves are typically made of metal materials for the valve body and bonnet, requiring additional corrosion protection.

Buried soft-seated gate valves are typically made of corrosion-resistant materials for the valve body and bonnet, capable of withstanding corrosion in underground environments.

Working Principle

1. Operation method

Conventional soft-seated gate valves can be manually operated or remotely controlled using electric actuators.

Buried soft-seated gate valves typically require operation through surface-mounted operating devices or installation of remote control devices.

2. Sealing performance

Conventional soft-seated gate valves typically utilize metal-to-metal sealing, resulting in relatively poor sealing performance.

Buried soft-seated gate valves employ a soft-sealing structure, usually equipped with elastic sealing rings, providing more reliable sealing performance.

Application Area

1. Applicable scenarios

Conventional soft-seated gate valves are suitable for fluid control in general industrial pipeline systems and municipal engineering projects.

Buried soft-seated gate valves are primarily used in underground pipeline systems, urban water supply, wastewater treatment, etc., where consideration of the valve's impact on surface use is necessary.

2. Environmental requirements

Conventional soft-seated gate valves have relatively low requirements for installation environments and are suitable for various conditions.

Buried soft-seated gate valves need to consider special requirements of underground environments, such as corrosion resistance and waterproofing.

Buried soft-seated gate valves and conventional soft-seated gate valves exhibit significant differences in structural design, operating principles, and application scenarios. The selection of the appropriate valve type should be determined based on specific requirements of the pipeline system, installation environment, and usage scenarios. By understanding their differences, one can better choose valves that meet their individual needs, thereby ensuring the safe operation of pipeline systems and effective fluid control.