A Brief Introduction of Ball Valve
- Mar 15, 2019
- Hits: 147
The ball valve is a valve that uses a ball with a circular through-hole as a starting and closing member, and the ball moves with the valve stem to realize the opening and closing action. The opening...
Anti Blowout Stem of Ball Valves
- Mar 11, 2019
- Hits: 3902
Fireproofing, anti-static and anti-blowout stem are three important design features of ball valves. In this article, we will discuss anti-blowout stem in details. Anti-blowout stem means that the stem...
What is a butterfly valve?
- Mar 07, 2019
- Hits: 61
A butterfly valve is composed of a valve body, a disc, a valve stem, and a handle. It adopts a disc type opening and closing member, the disc is fixed on the valve stem, and the valve rod is rotated 90...
Metal Seated Ball Valves and Soft Seated Ball Valves
- Mar 04, 2019
- Hits: 221
We usually classify the seats of ball valves into metal seated type and soft seated type. This article is to specify the main differences between metal seated ball valves and soft seated...
What is a check valve?
- Feb 28, 2019
- Hits: 51
A check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself, and is used to prevent the medium from flowing backward. ★ Lifting type:...
Side Entry, Top Entry, and Welded Body Ball Valves
- Feb 25, 2019
- Hits: 2407
Generally speaking, ball valves are divided into three types from the perspective of body style. There are side entry, top entry, and welded body ball valves. The main difference is based...
What is a globe valve
- Feb 21, 2019
- Hits: 49
A globe valve is used to regulate the flow of the medium, the valve rod axis of the globe valve is perpendicular to the seat sealing surface. It is open by driving the valve core up and down. Once the...
A DBB Ball Valve and a DIB Ball Valve
- Feb 18, 2019
- Hits: 979
When it comes to the seat and sealing of a trunnion mounted ball valve, we often classify them into DBB and DIB type. People usually get really confused about how to differentiate a DBB ball valve from...
What is a gate valve?
- Feb 14, 2019
- Hits: 53
A gate valve refers to a valve in which the opening and closing part (valve plate) is driven by the valve stem to move the sealing surface of the valve seat for lifting movement, and a...
The main differences between trunnion and floating ball valves
- Feb 12, 2019
- Hits: 363
Ball valves can be classified by material, structure, flow port, working principle and so on. As per the working principle and structure, we can divide ball valves into floating type and trunnion-mounted...