news information

Compare pneumatic and electric control valves by site energy, control feedback, output, modulation duty and failure position, with practical procurement checks.

How to select a fluoropolymer-lined regulating valve for corrosive media? Introduce the flow coefficient, working pressure difference, PFA/FEP/PTFE lining, valve core and seat, control accessories, and fault safety requirements of pneumatic and electric fluoropolymer-lined regulating valves, and provide technical param...

How to connect the electric control valve to the PLC or DCS control system? Detailed explanation of 4–20mA control signal, valve position feedback, switch control, stroke calibration, and signal fault handling, introducing the actuator configuration and on-site acceptance requirements of electric single seat regulating...

What is the difference between losing air and power in pneumatic valves? Detailed explanation of single acting and double acting actuators, loss of air switches, solenoid valve fault reset, position protection accessories, and interlock acceptance requirements to help chemical pipelines select suitable pneumatic valve ...

Can fluoropolymer-lined valves be used in vacuum or negative pressure pipelines? Analyze the risks of lining bulging, deformation, and detachment, explain the selection requirements for negative pressure level, temperature cycling, lining structure, and flange sealing, and provide an engineering inquiry list for fluoro...

Compare single-seated and cage-guided control valves by trim, pressure drop, leakage, capacity, noise and maintenance. Select using actual duty and actuator requirements.

Understand US Cv, Kv conversion, linear and equal-percentage characteristics, installed response and the flow/pressure data needed for control valve sizing.

Fouten Flow Control (Jiangsu) Co., Ltd. combined with fluoropolymer-lined discharge ball valve selection, the large and small openings of the discharge ball valve usually serve the different connection requirements between the equipment end and the discharge pipe end. Procurement should not only report the larger DN, b...

Fouten Flow Control (Jiangsu) Co., Ltd. combined with pneumatic angle control valve selection, angle control valve not only eliminates the elbow next to the straight through valve. It turns the flow path inside the valve body, changing the equipment interface, outlet direction, throttled flow, and maintenance space tog...

Fouten Flow Control (Jiangsu) Co., Ltd. combined with pneumatic welded ball valve selection, the difference between welded ball valve and flange ball valve is not only in whether there are bolts at the connection. The former welds the valve end and pipeline as the connection boundary, while the latter is connected thro...