German item industrietechnik valve item industrietechnik model item industrietechnik price

item industrietechnik valve is a special valve whose closing member remains normally closed under external force. When the pressure of the medium in the equipment or pipeline rises above the specified value, it prevents the medium pressure in the pipeline or equipment from exceeding the specified limit by discharging the medium to the outside of the system. Safety valves belong to the category of automatic valves and are mainly used on boilers, pressure vessels, and pipelines to control pressure so that it does not exceed the specified value, playing an important protective role for personal safety and equipment operation. Note: Safety valves must undergo pressure testing before use.

item industrietechnik valve functions and applications

Safety valves provide safety protection in the system. When the system pressure exceeds the specified value, the safety valve opens and discharges part of the gas/fluid in the system into the atmosphere/outside the pipeline, ensuring that the system pressure does not exceed the allowable value, thereby preventing accidents caused by excessive pressure.

item industrietechnik valve assembly precautions

Cleaned components must be stored in a sealed manner for installation. The installation process requires the following: 1) The installation workshop must be kept clean, or a temporary clean area must be set up, for example, using newly purchased striped tarpaulin or plastic film, to prevent dust from entering during installation. 2) Assembly workers must wear clean pure cotton work clothes, pure cotton caps with no hair exposed, clean shoes, and degreased plastic gloves. 3) Tools used for assembly must be degreased and cleaned before assembly to ensure cleanliness.

item industrietechnik valve classification

Safety valves are mainly divided into two categories: spring-loaded and lever-loaded. Spring-loaded means that the sealing between the valve disc and the valve seat relies on the force of the spring. Lever-loaded relies on the force of the lever and weight. With the need for larger capacities, there is also a pulse-type safety valve, also known as a pilot-operated safety valve, which consists of a main safety valve and an auxiliary valve. When the medium pressure in the pipeline exceeds the specified pressure value, the auxiliary valve opens first, and the medium enters the main safety valve through the guide tube, opening the main safety valve to reduce the increased medium pressure. The discharge capacity of the safety valve is determined by the diameter of the valve seat and the opening height of the valve disc, and can also be divided into two types: the opening height of the micro-lift type is (1/20) to (1/40) of the inner diameter of the valve seat, and the full-lift type is (1/3) to (1/4). In addition, depending on usage requirements, there are closed and open types. Closed type means that the discharged medium does not leak out but is entirely discharged through the specified outlet, generally used for toxic and corrosive media. Open type is generally used for non-toxic or non-corrosive media.

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