V-shaped ball valve, alias: V-shaped cut-off valve, V-shaped regulating ball valve; this kind of ball valve is a fixed ball valve, and is also a single-seat sealed ball valve. The regulating performance is the best among ball valves, and its V-shaped notch is between the metal seat With shearing effect, it is especially suitable for media containing fibers, small solid particles, slurry and other …

At present, the general top entry ball valve has four threaded holes symmetrically machined at the front and rear of the valve body, and the valve seat head is designed into a special structure with an inclination. The valve seat is supported by an outer adjusting rod, and then the ball is installed, and then the adjusting rod tooling is removed.…

What is the top entry ball valve?…

The difference between a flat gate valve with a diversion hole and a gate valve without a diversion hole has a diversion hole flat gate valve (Z43H), the medium will pass through the inner hole of the gate, and the flow channel with a diversion hole structure is always sealed whether it is fully open or fully closed. …

The hemisphere of the double eccentric hemisphere valve adopts double eccentric design, which has reliable sealing effect, instant release, small torque and long service life. It can be used in harsh working conditions for conveying granular media. The structure principle is that the center line of the hemisphere is offset from the center line of the valve stem, and the size is offset from the cen…

Plug valve (plugvalve), a valve with a plug body with a through hole as an opening and closing part. The plug body rotates with the valve stem to realize the opening and closing action. The small unfilled plug valve is also called "Cock". …

Explosion-proof electric butterfly valve is a special control for flammable and explosive occasions. The explosion-proof grade is ExdII BT4/CT4 or CT5, which has the advantages of stable quality, excellent explosion-proof performance, safety and reliability. In addition, the connection forms and structural forms are also diversified, and are widely used in food, environmental protection, light ind…

Working principle and characteristics of linear electric actuator…