There are five general body forms of ball valves: single body, three-piece body, split body, top entry, and welded. The difference will depend on how the bits of the valve-especially the casing containing the ball itself-are manufactured and assembled click here . The valve operation is similar in each case.
In addition, you'll find different styles linked to the bore with the ball mechanism itself. And will depend on the working pressure, the ball valves are divided as low pressure ball valves and high-pressure ball valves. In most industries, the ball valves with working pressure above 3000 psi are believed as questionable ball valves. Usually the max. working pressure for the questionable ball valves is 7500 psi, and depends upon the structure, sizes and sealing materials, the max. working pressure of questionable ball valves could be up to 15000 psi. High pressure ball valves are pretty much used in applications under ruthless such as hydraulic systems, in order that they are known as hydraulic ball valves also.
A trunnion ball valve includes a mechanical methods of anchoring the ball at the very top and the bottom, this design is normally applied on larger and pressure valves.Manually operated ball valves could be closed quickly thereby there is a danger of water hammer. Some ball valves include an actuator which can be pneumatically or motor (electric) operated. These valves may be used because of on/off or flow control. A pneumatic flow control valve can also be equipped with a positioner which transforms the control signal into actuator position and valve opening accordingly.
Our Multi-Choice and Tri-Pro valves are dynamic, high-performance 3-piece valves which might be long lasting, affordable, and simple to repair. They provide four key features: fully encapsulated end screws, weld-in-place end caps, in-line repair, plus a protected seat.
Fully Encapsulated End Screws. These valves are created with cap screws that hold both ends cap set up instead from the long bolts, washers and nuts like other 3-piece valves. Because the screws are fully encapsulated, they may be protected from the outer environment. They enable perfect alignment from the seat with all the ball, even during field repair.
Weld-In-Place End Caps. Another unique feature would be the weld-in-place end cap with heat-dissipating rings check this . These end caps allow customers to weld the valve in line without detaching the center body, saving on material and labor costs.