Pneumatic pneumatic valve commonly used oil pneumatic valves

pneumatic valve, pneumatic valve is also called the brake disc is a widely used pneumatic valves. Its closure principle is disc sealing surface consistent with the pneumatic valve seat sealing surface height is bright and clean, smooth, fit each other, can prevent the medium flow, and to rely on the top die, spring, or ram die shape, to enhance the sealing effect. It plays a role of cut off the main in the pipeline.
it's advantages are: small fluid resistance, opening and closing ShengJin, can be used in the case of a two-way flow of medium, no direction, wide open sealing surface is not easy to erosion, the structure length is short, not only suitable for small pneumatic valves, and suitable for large pneumatic valves.
。 By the pneumatic valve
by the pneumatic valve, also called door and is one of the most widely used pneumatic valve, it is popular, is because of the sealing surface friction between the opening and closing process, more durable, open height is not big, manufacturing easy, convenient maintenance, not only suitable for low voltage, and is suitable for high pressure.
it is the closing of the principle, rely on the bar pressure pneumatic valve, pneumatic valve sealing surface with pneumatic valve seat sealing surface fit closely, prevent medium circulation. As pneumatic valve only unidirectional flow medium, the installation direction. Its length is greater than the brake the structure of the pneumatic valve, at the same time, fluid resistance is big, long runs, seal reliability is not strong.
。 Pneumatic valve
butterfly pneumatic butterfly valve is also called the pneumatic butterfly valve, as the name implies, its key parts like butterflies fluttering, free. Adjustment of the pneumatic valve pneumatic valve disc, revolve around pneumatic seat within a shaft, the size of the swing Angle, is the pneumatic valves open and close.
butterfly pneumatic valve has the characteristics of light, to save material, than other pneumatic valve has simple structure, rapid opening and closing, cut off and throttling can, fluid resistance small, easy operation. Pneumatic valve, butterfly can make large caliber. Can use pneumatic valve adjustment, it is best not to make the brake pneumatic valve, because butterfly than economic brake pneumatic valve, pneumatic valve and regulatory. At present, the pneumatic valve adjustment in the hot water pipe is widely used.
。 Pneumatic ball valve
pneumatic ball valve is to rely on the working principle of pneumatic valve pneumatic valve love to make smooth rotation or occlusion. Pneumatic ball valve switch lightweight, small size, can make a large caliber, reliable sealing, simple structure, convenient maintenance, sealing surface and the spherical often in the closed state, not easily be medium erosion, has been widely used in various industries.
。 Cock pneumatic valve
cock pneumatic valve is relying on the cock body to rotate around the center line of the pneumatic valve, in order to achieve the purpose of opening and closing. Its role is to cut off the land, and change the flow direction of medium. Simple structure, small dimension, operation simply rotation, fluid resistance is small. Its disadvantage is that switch, sealing surface is easy to wear, easy to get stuck when high temperature, does not like to adjust flow.
。 Check pneumatic valve
check pneumatic valve is rely on the power of the fluid itself automatically opening and closing of pneumatic valves, its role is to prevent backflow of medium. Its name a lot, such as non-return pneumatic valve, pneumatic valve, one-way flow of single door, etc.
。 Reduced pressure pneumatic valve
the reduced pressure pneumatic valve is a medium pressure drops to a certain value of automatic pneumatic valve, pneumatic valve commonly after pressure less than the % of the pneumatic valve pressure before. Reduced pressure pneumatic valve is a lot of more phyletic, basically have the piston and spring film type two kinds. Piston vacuum pneumatic valve is under pressure through the role of the piston of pneumatic valve. Spring diaphragm pressure pneumatic valve, it is depend on spring and film for pressure balance.
。 Hydrophobic pneumatic valve
hydrophobic pneumatic valve is also called the vapor barrier drainage pneumatic valve, soda, pneumatic valve, drain, water box, back to the gate, etc. It is the function of automatic drain continuously produce condensate, and don't let the steam out. Hydrophobic pneumatic valve is a lot of more phyletic, float type, ball float, bell float type, pulse, thermodynamic, thermal expansion. Commonly used a buoy type, bell float type and thermodynamic type.