Cosmoplast Ppr Pipes

Hot Products

Ball Valve ; Fully Welding Ball Valve ； Fully Welding

Cast Iron Hand Lever Wafer Butterfly Valve

trunnion ball valve ; ball valve ; CLASS150--2500 ball valve

Ductile Iron Shouldered Butterfly Valves

Ductile Iron Class 125 Wafer Type Check Valve

Ductile Iron Body and Disc Double Flange Butterfly Valve

Forged Brass Ball Valve ; Ball Valve ; Brass Ball Valve

Brass Ball Valve nickel, brass, Chrome, Stainless Steel

Disc Wafer Check Valve

DIN Ductile Iron Flange Ball Check Valve

FAQ

What are the differences between the lever ball valve and the handwheel ball valve? What are their differences?

Group pairs of valves, have not heard of a lever type ball valve, only lever type safety valve, hand wheel type is only the way it drives different, the way is also ever-changing, to see the needs of individuals

And the cut-off valve is not the general name of gate valve and butterfly valve?What are the signs of differentiation?How about the use?

When the valve is opened, the opening height of the valve is 25% to 30% of the nominal diameter, the flow has reached the maximum, which means that the valve has reached full open position, so the opening position of the stop valve should be determined by the stroke of the discThe cut-off valve has the following advantages:The utility model has the advantages of simple structure and convenient manufacture and maintenanceSmall travel time, short opening and closing timeGood sealing, friction between the sealing surface of small, long lifeThe disadvantages of the cut-off valve are as follows:The resistance of fluid is large, and the force required for opening and closing is largerNot suitable for medium with particle, viscosity and easy cokingPoor regulation performanceType valve stem according to the position of divided threaded screw type, internal thread. Divided by the flow of media, there are straight through, DC type and angle type. Divided by the form of valve seal, a packing seal bellows seal valves and valve.The installation and maintenance of the cut-off valve shall pay attention to the following matters:The stop valve operated by the handwheel and handle can be installed in any position of the pipeHand wheel, handle and steering mechanism are not allowed to be used for liftingThe flow direction of the medium shall be in accordance with the arrow shown in the valve body

Gate valve, ball valve, the difference between the pressure regulating valve

Gate valve and stop valve are shut-off valve, is the most common two valves. From the exterior, the gate valve is shorter than the cut-off valve, especially the bar valve needs a higher height space. Valve sealing surface has a certain degree of self sealing capacity, its spool depends on the media pressure tight contact with the valve seat sealing surface, to achieve tight leakage. Wedge gate valve spool angle is generally 3~6 degrees, when forced to shut down excessive or temperature changes of the valve core is easy to die. Therefore, high temperature and high pressure wedge gate valve, in the structure have taken certain measures to prevent spool stuck. The valve in the opening and closing valve and valve seat sealing surface contact and mutual friction is always so easy to wear sealing surface, especially in close off the valve, the valve before and after the great pressure, sealing surface wear is more serious. Compared with the cut-off valve, the main advantage is that the flow resistance is small, the flow resistance coefficient of ordinary gate valve is about 0.08~0.12, while the ordinary cut-off valve resistance coefficient is about 3.5~4.5. Opening, closing force is small, the medium can flow in two directions.

The working principle of the track type ball valve

Baidu under the Wuxi East valve, have their contact information, you can consult them

1 piece, 2 piece, 3 piece ball valve, which places are used in large quantities?

Three piece ball valve has the following advantages:1., the fluid resistance is small, and the coefficient of resistance is the same length as the pipe section.2., simple structure, small size, light weight.3., close and reliable, at present the ball valve sealing surface materials widely used plastic, good sealing, vacuum system has also been widely used.4 easy operation, open and close rapidly, from fully open to fully closed as long as 90 degree rotation, facilitate remote control.5., maintenance is convenient, ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.6. in full open or full closed, the ball and valve seat sealing surface and dielectric isolation, the media through, it will not cause erosion of the valve sealing surface.7., a wide range of applications, from small diameter to a few millimeters, large to several meters, from high vacuum, high pressure can be applied.

Which is the smallest flow valve, globe valve or butterfly valve? Which one is the biggest?

Since the flow direction of the medium through the valve has changed, so the minimum flow resistance of the cut-off valve is higher than most other types of valvesThe ball valve has the lowest flow resistance

What's the difference between a one piece ball valve and a two piece ball valve?

Is the valve body is not the same. Look for a map and see

Where can I buy this Y filter with a ball valve?

This valve is added after the filter, directly on the flange welding joints or holes in the flange is connected with a ball valve tapping, can double wire, because the Y type filter is standard, relatively good buy, relatively less modification