butterfly valve vs ball valve
In order to solve the problem of heating imbalance caused by slag plug and gas blockage in domestic heating system for a long time, the world’s largest dirt separator developed and manufactured by ZECO specially for Beijing Heating Group was successfully installed and debugged in Beijing on October 23, 2018. This valve solves the problem…
Changzhi Steel Shougang Changzhi Steel & Iron Co., LTD. is located in the famous Chinese city with beautiful scenery and long history, Changzhi city, Shanxi Province. The company set mining, coal mining, coking, ironmaking, steelmaking, rolling, cement manufacturing, engineering construction, forging machinery manufacturing, real estate development as a whole, the annual production capacity of 3.6…
Nanjing LG Chemistry LG Chemical (Nanjing) Information Electronic Materials Co., LTD. is a large production enterprise invested and built by South Korea LG Co., LTD., a famous multinational group, on July 14, 2003. The company is located in the beautiful scenery of the national Nanjing Economic and Technological Development Zone LG Industrial Park, covers an…
The quality of valve installation directly affects the use of the valve in the future. Valve installation shall be conducted in accordance with the valve operating instructions and relevant regulations. Careful inspection and careful construction should be carried out during construction. 1. When handling and installing valves, be careful to avoid scratches and scratches; 2….
The constant temperature valve solves the problems of pressure unbalance between hot and cold water during bathing process and pressure change, temperature change and water temperature change. It realizes setting temperature artificially for heating facilities, so as to achieve energy-saving effect. Table of Contents Principle of thermostatic balancing valve: Constant temperature valves include bath constant…
The Y-filter is a small equipment that removes a small amount of solid particles in the liquid, which can protect the normal operation of the equipment. When the fluid enters the filter cartridge with a certain filter screen, its impurities are blocked, and the clean filtrate is discharged from the filter. Discharge, when cleaning is…
The multi-function water pump control valve has three kinds of valves: gate valve, check valve and water hammer eliminator. These three kinds of water pump control valves play different roles in the operation of pumps. The multi-functional water pump control valve consists of a main valve, a regulating valve and a nozzle system. The valve…
At least one of the existing technical dirt separator devices of vacuum cleaners uses dust bags to collect dust, but such dust bags must often be replaced. Because of this, many vacuum cleaners now use centrifugal filters to separate dust from the inhaled air. An example of such a dirt separator device is the cyclone…
Balancing valve is equivalent to a throttle element whose local resistance can be changed. For incompressible fluid, the flow equation can be obtained. Table of Contents Compared with other valves, balancing valves have the following characteristics: The principle of ZLF self-balancing valve is the reverse regulation in the valve body. Kv is the valve coefficient…
Air release valve is also called air release valve. It is a kind of valve commonly used in the installation of water heating. It is generally installed at the highest point of the system. It is often seen on the radiator and water separator. There are two kinds of manual air release valve and automatic…