Product Code : VF--ZCC-T1-CU
Single-seat regulating valve
The top guide structure is adopted, and the valve body channel is S-streamlined. The product has the characteristics of small pressure drop loss, large flow capacity, wide adjustable range, high accuracy of flow characteristic curve and good anti-vibration performance. The product is usually equipped with pneumatic film actuator, the whole machine structure is compact, strong pressure difference resistance, can be used to control a variety of different pressure and temperature fluids.
Valve diameter: 3/4""~12"" (DN20~DN300)
Pressure CLASS: ASME CLASS 150~2500(PN16~PN420)
Main material: carbon steel, stainless steel, alloy steel and duplex steel
Operation mode: PDL pneumatic film actuator, PCL pneumatic piston actuator, electric actuator
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single-seat regulating valve is a kind of valve used for flow regulation and cut-off, especially suitable for allowing small leakage and small pressure difference between the front and back of the valve
. The structure is characterized by a spool and a seat in the valve body, and the flow rate and pressure of the fluid are controlled by changing the position of the spool.
Structural characteristics
The single-seat regulating valve is mainly composed of valve body, spool, seat and actuator. The valve body is the main body of the whole regulating valve, which is provided with an internal channel and an external connection pipeline. The spool is the core part of the regulating valve, which changes its position in the valve body by pushing the actuator, so as to control the flow of fluid
Working principle
The single-seat regulating valve works by changing the position of the spool relative to the seat to control the flow and pressure of the fluid. When the fluid passes through the regulator, the pressure of the fluid acts on the spool, causing it to displace, thereby changing the flow rate and pressure of the fluid. The actuator receives the signal of the control system, pushes the valve stem and spool to complete the adjustment process of the medium in the pipeline
Application scenario
Single-seat regulating valves are widely used in various industrial control systems, especially in petroleum, chemical, electric power and other industries. In the petroleum industry, it is used to control the separation and measurement of oil and gas; In the chemical industry, it is used to control parameters such as temperature, pressure and flow rate in the chemical reaction process; In the power industry, it is used to control the fluid flow and pressure of equipment such as boilers and steam turbines
Packing of Standard Packing
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 442 gallon liquid totes Special package is available on request. ATTs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
