Technical Requirements for Boilers Safety Valves
- Feb 24, 2021
- Hits: 143
Technical requirements for boilers safety valves are as follows: 1. At least one safety valve should be installed for boilers with a rated evaporation capacity lower than 0.5t/h; for boilers...
An Introduction to Safety Valves for Boilers
- Feb 17, 2021
- Hits: 42
A safety valve is one of the main safety accessories of the boiler. It can automatically prevent the steam pressure of the boiler from exceeding the predetermined allowable range, thereby ensuring...
Importance and Load Bearing Analysis of Boiler Safety Valves
- Feb 06, 2021
- Hits: 20
A safety valve or a globe valve is one of the main safety accessories of steam boilers. As a valve with important protection functions, safety valves are widely used in various pressure vessels...
The Seven Industries Using the Most Valves
- Jan 26, 2021
- Hits: 39
A valve is an extremely versatile device that can be found almost anywhere. Valves can be seen in houses, power plants, paper mills, refineries and various infrastructure and industrial facilities. Valves are...
The Sealing Principles of the Valve (Part Two)
- Jan 23, 2021
- Hits: 18
Airtightness of liquid The sealing performance of the liquid is performed by the viscosity and surface tension of the liquid. When the capillary of the valve which is leaked is filled...
The Sealing Principles of the Valve (Part One)
- Jan 13, 2021
- Hits: 33
There are many types of valves, but the basic function is the same, that is, connecting or cutting off the medium flow. Therefore, the sealing problem of the valve is very prominent. To...
Ways to Quickly Solve Poor Sealing Performance of Valves
- Jun 16, 2020
- Hits: 50
Currently, valves generally have defects of poor sealing performance, of which many buyers and even sellers do not know how to solve the problem. After careful study and comprehensive discussion,...
The Working Principle of Check Valves
- Jun 06, 2020
- Hits: 72
The function of the check valve is to allow the medium to flow in only one direction and to prevent flow in the opposite direction. Normally, the check valve works automatically. The...
Knowledge Extension - Air Shutoff Valve
- May 26, 2020
- Hits: 33
Some people ask why the pneumatic membrane regulating valve in the figure belongs to the air-tight type. First, check the air inlet direction of the pneumatic film, which shows positive....
Working Principles of the Valve Positioner
- May 05, 2020
- Hits: 110
Walking around in the chemical plant workshop, you will see some valves with round heads on some pipes. This is the regulating valve. We can learn some information from its keyword - "regulating",...
Selecting the right safety valve and relief valve
- Nov 06, 2019
- Hits: 28
Safety valves and pressure relief valves are mainly used to protect containers, piping systems and equipment from overpressure, which are important for the safety of workers and equipment. Therefore,...
Flow direction of a globe valve
- Sep 16, 2019
- Hits: 127
Generally, the current medium of the globe valve flows upward from the bottom of the valve seat, which is customarily called "low-in and high-out". When the valve is closed, the sealing packing...