Pneumatic valve connection mode is introduced

common pneumatic valve connection mode including: flange connection, the connection to the clamp, butt welding, threaded connections, card sets of connection, the clamp connection, since the sealing connection, and other forms of connection.
, flange connection:
with flange on both ends of the flange connection is a pneumatic valve body, and pipe flange on the correspondence, by bolted flange is installed in the pipeline. Flange connection is the connection forms of pneumatic valve used most frequently. The flange with convex ( The RF, plane ( FF, convex concave surface ( MF, etc.
and connected to the clamp:
pneumatic valve installed in the middle of the two pieces of the flange, pneumatic valve usually have positioning hole to facilitate installation location, bolted directly to the pneumatic valve and the connection forms of two pipe clamp wear together.
, welding connection:
pneumatic valve body on both ends of the processed into butt welding groove, according to the requirements of butt welding and pipe welding groove, fixed by welding on the pipe. Socket weld connections: according to the requirements of socket welding processing on both ends of the pneumatic valve body, and pipeline through the socket connection.
and threaded connections:
threaded connection is a kind of simple connection method, often used for small pneumatic valves. Pneumatic valve body, according to the standard of the thread processing, has two kinds of female and male. And pipe thread on correspondence.
, card sets of connection:
card sets of connection, in our country developed in recent years, the connection and sealing principle of it is that when the screw nut, card sets of pressure, the blade is biting into the tube outer wall and card sets of male cone and cone closed and joint under pressure, and thus can be reliably prevent leakage. Such as instrument pneumatic valve.
and clamp connections:
this is a fast connection methods, it only need two bolts, often apply to remove the low pressure pneumatic valves. Such as health pneumatic valves.
, since the tight connection:
the above all kinds of connection form, all is the use of force to offset the medium pressure and sealed. Here using medium pressure since the tight connection. Its sealing ring with cone, with medium relative to one side with a certain Angle, within the medium pressure to the cone, and passed to the sealing ring, on the cone Angle, produce two component, a parallel to the center line of the pneumatic valve, outward pressure pneumatic valve body wall to another. This component is the force behind. The more the greater the medium pressure, since the tight force is big. So this kind of connection form, suitable for high pressure pneumatic valves.
also many other pneumatic valve connection, for example, some do not have to dismantle small pneumatic valves, together with the pipe welding; Some non-metallic pneumatic valve, use socket type connection, and so on.