Industry News

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. analyzes the pinhole inspection, shell pressure test, and seat sealing test of fluoropolymer-lined valves, respectively, and explains the inspection objects and evidence. Assist customers in verifying the actual lining configuration, applicable methods, and records, and do not eq...

Fouten Flow Control (Jiangsu) Co., Ltd. compares fluoropolymer-lined plug valves and ball valves for viscous media, explaining the relationship between channels, internal residues, temperature changes, and driving force. Assist customers in organizing shutdown, cleaning, and control purposes, without relying on smooth ...

Fouten Flow Control (Jiangsu) Co., Ltd. analyzes the selection of rubber types for lining diaphragm valves, including production fluid, residual fluid, cleaning fluid, and temperature cycle for material verification. Explain the load difference between static lining rubber and movable diaphragm, help customers match sp...