Tá an
comhlaina chomhpháirt rialaithe sa chóras iompair sreabhán píblíne. Úsáidtear é chun an chuid pasáiste agus treo sreafa an mheáin a athrú. Tá feidhmeanna aige atreorú, gearradh siar, coigeartú, sciorradh, seic, atreorú nó faoiseamh brú thar maoil.
Comhlaíused for fluid control, from the simplest shut-off comhla to the various comhlas used in extremely complex automatic control systems, have a wide range of varieties and specifications, and the nominal diameter of the comhla ranges from extremely small instrument comhlas to large diameters up to 10m. Comhlaífor industrial pipelines. Tá ancomhla can be used to control the flow of various types of fluids such as water, steam, oil, gas, mud, various corrosive media, liquid metals and radioactive fluids. Tá anworking pressure of the comhla can be from 1.3х10MPa to 1000MPa ultra-high pressure and working temperature From the ultra-low temperature of -269℃ to the high temperature of 1430℃. Tá ancomhla can be controlled by a variety of transmission methods, such as manual, electric, hydraulic, pneumatic, worm gear, electromagnetic, electromagnetic-hydraulic, electric-hydraulic, pneumatic-hydraulic, spur gear, bevel gear drive, etc. ; Under the action of pressure, temperature or other forms of sensing signals, it can act according to the predetermined requirements, or simply open or close without relying on the sensing signals. Tá ancomhla relies on the drive or automatic mechanism to make the opening and closing parts lift and slide Move, swing or rotate, thereby changing the size of the flow channel to achieve its control function.
Tá anpurpose of the comhla Tá ancomhla is a kind of pipeline accessory, it is a device used to change the section of the passage and the flow direction of the medium, and control the movement of the conveying medium. It has diversion, cut-off, adjustment, throttling, check, diversion or overflow Functions such as pressure relief.
Specifically, the comhla has the following purposes: 1. Cut-off comhla: connect or cut off the medium in each section of the pipeline. Such as gate comhla, globe comhla, ball comhla, plug comhla, diaphragm comhla, butterfly comhla, etc. 2 Regulating comhlas: Regulate the flow and pressure of the medium in the pipeline. Such as throttle comhla, regulating comhla, pressure reducing comhla, safety comhla, etc. 3 Shunt comhla: change the flow direction of the medium in the pipeline, used to distribute, separate or mix the medium. Such as distribution comhlas, three-way plug comhlas, three-way or four-way ball comhlas, traps, etc. Valve classification There are many types of comhlas. With the continuous improvement of the process and performance of various complete sets of equipment, the types of comhlas are still increasing, but in general they can be divided into two categories: automatic comhlas rely on media (liquid, gas, Steam, etc.) a comhla that operates on its own. Such as safety comhlas, check comhlas, pressure reducing comhlas, traps, hydraulic control comhlas, emergency shut-off comhlas, exhaust comhlas, etc.
