Threaded Horizontal Check Valve

Description

Data Sheet

– 1/4″~3″ (DN6~DN80)
– W.P:200WOG (PN16)
– W.T.:-20°C~180°C
– Investment casting
– Swing type disc
– Presicion grinding
– Thread end: ASME B1.20.1 (NPT).
DIN 259 / DIN 2999, BS 21,
ISO 288-1,ISO 7-1
– Socket weld end: ASME B16.11

A threaded horizontal check valve is a type of check valve designed for use in piping systems where fluid flow needs to be regulated in one direction. Check valves are essential components in preventing backflow and maintaining the integrity of pipelines.

Here are key features and details about a threaded horizontal check valve:

1. Design:

Check Valve Design: The valve is designed as a check valve, allowing flow in one direction and preventing backflow in the opposite direction.
Horizontal Orientation: The valve is oriented horizontally in the piping system.

2. Connection Type:

Threaded Ends: The valve features threaded ends, allowing it to be easily installed into a threaded pipe system.
Male Threads: The threaded ends typically have male threads for connection to female-threaded pipes or fittings.

3. Materials:

Diverse Materials: Threaded horizontal check valves can be made from various materials, including brass, stainless steel, or other materials suitable for the intended application.

4. Operation:

Automatic Operation: Check valves operate automatically, allowing fluid to flow in one direction while preventing reverse flow when the flow stops.

5. Size Range:

Various Sizes: Threaded horizontal check valves come in various sizes to accommodate different pipe diameters and flow requirements.

6. Applications:

General Piping Systems: Used in a wide range of piping systems where preventing backflow is crucial.
Process Industries: Commonly employed in industries such as chemical processing, oil and gas, water treatment, and more.

7. Thread Type:

Standard Threads: The threads on the valve typically follow standard specifications, such as NPT (National Pipe Thread), ensuring compatibility with other threaded components.

8. Compliance with Standards:

Industry Standards: Threaded horizontal check valves are manufactured to comply with industry standards and specifications to ensure proper performance and reliability.

9. Versatility:

Versatile Installation: The threaded ends make these valves versatile for installation in various threaded piping systems.

10. Size Identification:

Markings: Check valves often have markings or labels indicating the size, pressure rating, and other relevant information to facilitate proper selection and installation.

11. Maintenance:

Low Maintenance: Check valves are typically low maintenance, as they operate automatically without the need for external control.

Threaded horizontal check valves are essential components in piping systems where preventing backflow is critical. Their threaded design allows for easy installation, making them suitable for a wide range of applications in different industries.

The “threaded horizontal check valve” is a common type of check valve known for its convenient installation and suitability for small-diameter pipes and low-pressure systems.

Below is a detailed introduction to this valve:

Structure: The threaded horizontal check valve typically consists of a valve body, valve cover, disc, and spring. The valve body and cover are connected through threads, and the valve can be opened or closed by tightening or loosening the cover. The disc moves inside the valve body, and its movement is controlled by a spring. When the fluid pressure on the upstream side of the disc exceeds the spring force, the valve opens to allow fluid flow. Conversely, when the fluid pressure reduces or reverses, the disc closes, preventing backflow.
Working Principle: The operation of the threaded horizontal check valve is based on changes in fluid pressure. When fluid flows from the upstream to the downstream side, the fluid pressure pushes the disc, causing the valve to open, and allowing smooth fluid passage. However, if the fluid direction reverses, the fluid pressure pushes the disc to tightly close the valve, preventing backflow.
Application Range: The threaded horizontal check valve is suitable for small-diameter pipes and low-pressure systems. It is commonly used in household water pipes, heating and cooling systems, air conditioning systems, and small-scale industrial pipelines. Due to its simple structure, easy maintenance, and cost-effectiveness, it is applicable to general low-pressure fluid pipeline systems.
Advantages: The threaded horizontal check valve offers advantages such as easy installation, simple structure, ease of maintenance, and cost-effectiveness. It effectively prevents fluid backflow, ensuring the normal operation of the pipeline system and enhancing system efficiency and safety.
Notes: The threaded horizontal check valve is generally not suitable for high-pressure, high-temperature, or high-velocity fluid systems, as its sealing performance and pressure resistance are limited. During selection and installation, it is essential to choose the valve material and specifications based on specific working conditions and fluid parameters to ensure reliable operation and longevity.