Definitions of the valve nominal pressure, working pressure and design pressure?
- Sep 22,22
- Hits: 0
1. What is the nominal pressure PN (MPa)? The reference value relating to the pressure resistance of the piping system component refers to the design given pres
Treatment methods for the lack of tightness in valves
- Sep 21,22
- Hits: 0
Sometimes there are some troublesome problems in the use of the valve. For example, if the valve is not tight, what should we do? First, the valve sometimes su
The features of a knife gate valve for some corrosive environment
- Sep 16,22
- Hits: 0
A knife gate valve is a component that utilizes a blade to cut through clogging of heavy liquids. These valves were designed to work in some of the most corrosi
Brief introduction of fully welded ball valves in petroleum industry
- Sep 15,22
- Hits: 0
Fully welded ball valves, act as one of the most trusted valves in the petroleum industry, suitable for oil & gas production, processing and distribution. It
Brief description of ISO15848 the Low Emission Test
- Sep 09,22
- Hits: 0
The low emission test is generally according to the standard ISO15848, and ISO15848-1 is a type test, where the number of switching times is relatively large, a
The Difference between Y Strainer and Basket Strainer
- Sep 08,22
- Hits: 0
A pipe strainer can capture and remove the impurities from the pipeline by interrupting the process flow with a perforated plate or screen mesh. Normally spea
Valve End Connection Types, Screwed, Flanged, Welded
- Sep 02,22
- Hits: 0
Screwed End Type Screwed end is simple connection method often used for small valves. This connection is usually made by machining the valve in and out of the
How should the valve be maintained during operation?
- Sep 01,22
- Hits: 0
The maintenance principles during valve operation are as follows:1. Keep the outside of the valve and the moving parts clean to protect the integrity of the val
RAL 9010-Our New Painting Color of Ball Valves!
- Aug 31,22
- Hits: 0
Today, we would like to show you some photos of ball valves we just manufactured. The uniformed paint color is RAL 9010. We also have special requirement on the
The Function of Valve Heating Jacket
- Aug 26,22
- Hits: 0
Many kinds of valves can have a heating jacket, such as gate valves, check valves and plug valves. A heating jacket is usually made of steel plate, and rolle
Water hammer effect and the preventive measures on pipeline
- Aug 25,22
- Hits: 0
Water hammer effect means that when the open valve is suddenly closed, due to the inertia of the pressure water flow, the shock wave of the water flow is genera
Three designs of Gate Valve Stem
- Aug 24,22
- Hits: 0
Three different bonnet/stem design configurations are used in the gate valve construction: the lower threaded rising stem, the non-rising stem and the upper thr