Shut-off valves , the material for its production and types of equipment

shut-off valves as one of the types of valves

steel, brass, bronze and ductile iron - the basic material for the production of any kind of valves.These include various types of valves, dampers and valves, each of which is used only when observed and followed all the specifications of a single tube.For example, for pumping corrosive materials systems and waterways used radically different types of equipment.Let's consider in more detail all kinds.

In fact, the valves can be installed on any water.They are fixed by means of muff or flange connection (sometimes taps pipes are welded to the pipeline).There are cork and ball valves, as well, going from a work environment, they are also divided into:

• flanged ball valves, consisting of a steel or cast iron.Operation Steel cranes in temperatures up to seventy degrees, and cast iron up to a hundred degrees.
• cork coupling is made of cast iron and is most often used for gas pipelines.Operation is possible at the working environment does not exceed fifty degrees.Mounting provided in any position.
• gland nut taps (plug valves) are made of cast iron.Most often used in the water and oil lines, with the temperature of the working environment mode is not above a hundred degrees.The structure includes a stuffing box full of foam or rubber.Installation is possible in any position.

shut-off valve as a type of shut-off valves

This pipe fittings, shut-off body which is a disk rotating around its axis.It is recommended to use the valve in the pipeline with a larger diameter and high pressure.Typically, they are made of cast iron and steel turntable.It crashed into a kind of valve in the pipeline by welding or flange connection.

Manage flaps possible with electric drive, hydraulic drive or manually.They are exploited in the pipes through which the various acids, alkalis and corrosive wastewater.They do not require constant maintenance and, in contrast to the taps and valves, passed through a solid material contained in the working environment.

shut-off valves as one of the types of valves

Valves made from cast iron or stainless steel and non-ferrous alloys.The choice of material depends primarily on the content of the tube.Latches are used to temporarily shut-off and, depending on the operating principle, they are divided into parallel and wedge.

have installed wedge bolt in the form of a wedge, sealing surfaces which are arranged at an angle.The spindle in this type of reinforcement is not extendable.Separate two-disc, resilient and hard wedge.

Catches made use of pipelines through which the gas flows, water, oil and non-corrosive substances.The important point is that the work environment should be neutral to the valve material (eg, cast iron gate valve used in pipeline systems).

gained popularity with electric gate, because their control is possible both remotely and manually.For the position of the locking mechanism should be installed sensors and indicators.

Inset in the pipeline is carried out by welding or flange connection.

Shut-off valve as a variety of valves

can completely block the flow of the working environment Using the valve.It is not designed to regulate the pressure in the pipe, and its position should always either open or closed.

The valve design includes a valve located on the lower spindle.When he falls into the saddle, the flow is blocked.Based on the type of sealing valves are divided into stuffing box, the bellows and Diaphragm.

Operation is carried out by means of manual or remote control.Cast iron is used for coupling pipes of valves, which provide for air supply, water or steam, and the operation temperature should be above fifty degrees.The coupling of brass valves work in high-pressure systems and are not afraid of his swings.