API 594 Dual plate check valve

API 594 Dual plate check valve product features：

1.   Small size ,low installation space requirements;

2.   Rapid opening and closing, sensitive action;

3.   Spring loaded disc design, closure is guaranteed;

4.   Soft sealing design can be chosen;

5.   The pin built-in structure, no leakage;

API 594 is a standard issued by the American Petroleum Institute (API), which involves the design, manufacture and testing requirements of dual plate check valve.

A dual plate check valve is a mechanical valve consisting of two metal plates that open when fluid flows but automatically close when fluid flows backwards.    These valves are often used in high pressure and high temperature applications because they can withstand high pressure and high temperature environments.    The API 594 standard specifies requirements for the design, manufacture and testing of dual plate check valves to ensure that they comply with industry standards and safety requirements.

The API 594 standard requires dual plate check valves and check valves to meet a series of testing and quality control requirements to ensure their reliability and safety.    These tests include pressure tests, leak tests, dimensional checks and material tests, among others.    In addition, API 594 also stipulates the marking and identification requirements of valves so that users can easily identify the type, size and performance of valves.

The structure of API 594 Dual plate check valve is relatively simple, mainly composed of valve body, valve cover, valve disc, spring and other components.    Among them, the valve body and bonnet are usually made of cast iron or steel, and the valve disc is made of metal or rubber material.    The spring is used to control the opening and closing state of the disc to ensure the normal operation of the valve.

The working principle of API 594 Dual plate check valve is relatively simple.    When the fluid in the pipeline flows in one direction, the valve disc will be pushed away by the fluid, so that the fluid can pass through smoothly.    And when the fluid flows backwards, the valve disc will be compressed by the spring, thereby preventing the fluid from flowing backwards.    In this way, the normal operation of the pipeline system can be guaranteed, and the damage caused by backflow to the pipeline system can be avoided.

API 594 Dual plate check valve is widely used in various industrial fields, such as petrochemical, water treatment, food processing, etc.    It can be used in various media, such as water, oil, gas, etc.    Because of its simple structure, convenient use, high reliability and other advantages, it has been widely welcomed.

API 594 check valve is a common type of valve, which is mainly used to control the flow direction of fluid in the pipeline and prevent the fluid from flowing backward or backward.    In industrial production and civil construction, API 594 check valve is widely used in various fluid piping systems, such as water, gas, oil, etc.

The main features of API 594 check valve are good sealing performance and reliable operation performance.    It adopts a spherical valve disc and a spring-type sealing structure, which can effectively prevent fluid backflow and leakage.    At the same time, the API 594 check valve also has the characteristics of quick closing and opening, which can realize the control and adjustment of fluid in a short time.

The installation and maintenance of API 594 check valve is also relatively simple.    It is usually installed at the end of the pipe or at the outlet of the pump to facilitate the control and regulation of the fluid.    During use, it is only necessary to regularly check and maintain the sealing performance and operational performance of the valve to ensure its normal operation and safe use.

API594 double disc clamp check valves are widely used in the following scenarios:

‌ industrial pipeline system ‌ : in chemical, petroleum, natural gas and other industrial fields, used to prevent media backflow, protect equipment and system safety.

‌ water treatment system ‌ : in the water treatment plant and water supply system, prevent water quality backflow to ensure water quality safety.

‌ food processing ‌ : In the food processing industry, prevent product backflow to ensure food safety and hygiene.

‌ Other fluid transmission system ‌ : suitable for all kinds of fluid transmission systems that need to prevent the backflow of the medium, such as steam, oil and other media pipeline system

Packing of Standard Packing:

 Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 442 gallon liquid totes Special package is available on request. ATTs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.