Briefing for Radiographic Testing
- Oct 13,22
- Hits: 0
Sometimes we will have orders requesting for Radiographic Testing (RT), say for API 600 Gate Valves, Butt-weld Ends, 8”, 2500 LB, as it will be applied in
5 Factors to Be Considered When Choose Right Ball Valves
- Oct 12,22
- Hits: 0
Ball valves are having good performance in shut-off application and are widely used, but do you know how to choose a right one? Factor 1: What is the working p
Introduction and Selection of Safety Valves
- Oct 07,22
- Hits: 0
The safety valve is a special valve in which the opening and closing member is in a normally closed state under the action of an external force. When the pressu
Pipeline Check Valve Installation
- Oct 06,22
- Hits: 0
1. When installing, pay attention to the direction of media flow should be consistent with the direction of the arrow in the valve body. 2. Install a check val
The "Silent" Nozzle Check Valve
- Oct 05,22
- Hits: 0
The photo shown below is axial nozzle check valve, 14 Inch, Class 300 LB, RF Flange, WCB material, typical for its "silent" & non-slam characteristic. For crit
An excellent choice for sea water application - Aluminum Bronze
- Sep 30,22
- Hits: 0
Aluminium bronzes are most valued for their high strength and superior corrosion resistance. The most common one is Nickel Aluminium Bronze B148 C95800, which i
Comparison of butterfly valve and ball valve
- Sep 28,22
- Hits: 0
The Butterfly Valve is coupled to a handle, gear operator or actuator that rotates the shaft of the metal disc attached to the interior of the valve by 90°.
Selection materials for valve sealing surface
- Sep 23,22
- Hits: 0
The valve sealing surface is generally selected according to: 1. Operating temperature of the valve. 2. Working pressure and corrosiveness of the medium. 3. Th
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