Water hammer effect and the preventive measures on pipeline
- Jul 10, 2019
- Hits: 118
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 generated and then cause the damage. This is the...
The Function of Valve Heating Jacket
- Jul 03, 2019
- Hits: 151
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 rolled as per body shape and installed around...
RAL 9010-Our New Painting Color of Ball Valves!
- Jun 28, 2019
- Hits: 109
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 painting time and painting thickness. Do...
How should the valve be maintained during operation?
- Jun 20, 2019
- Hits: 54
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 valve paint. The surface of the valve, the...
Valve End Connection Types, Screwed, Flanged, Welded
- Jun 14, 2019
- Hits: 3249
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 end into tapered or straight pipe...
The Difference between Y Strainer and Basket Strainer
- Jun 12, 2019
- Hits: 3976
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 speaking, There are Y-strainer and basket strainer....
Brief description of ISO15848 the Low Emission Test
- Jun 06, 2019
- Hits: 46
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, at least 205 times; ISO15848-2 is a product...
Brief introduction of fully welded ball valves in petroleum industry
- Jun 04, 2019
- Hits: 28
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 can be applied in a wide range of...
The features of a knife gate valve for some corrosive environment
- May 31, 2019
- Hits: 31
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 corrosive, erosive and abrasive environment in...
How to Choose a Slab Gate Valve
- May 27, 2019
- Hits: 59
The slab gate valve is a slide valve whose closing member is a parallel gate or wedge. Generally speaking, we have single disc & double disc slab gate valves, slab gate valves with &...