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How to order spare parts for regulating valves so that they cannot be installed? Verification of valve internal part number, stroke and material2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. organizes the method for checking spare parts of regulating valves, explaining the product number, drawing version, valve internal component combination, stroke, and material function. Combining HPG cage type regulating valve to assist customers in preparing ordering and re inspe...View more > -
Can the adjustable ratio of the regulating valve be adjusted stably from zero flow? Inherent and installation scope2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. interprets the inherent adjustable ratio and installation range of the regulating valve, explaining the different boundaries of actual pressure difference, minimum stable flow rate, and closing leakage. Combining the VQ647H pneumatic V regulating ball valve to help customers orga...View more > -
What is the difference between regulating valve flow opening and closing and air opening and air closing? Do not mix flow direction and drive2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. analyzes the difference between flow opening and closing of regulating valves and gas opening and closing, and checks the fluid action, air pressure drive, control signal, and fault location separately. Based on the procurement and installation points of ZJHP pneumatic single sea...View more > -
Electric valves can be opened on site, but DCS cannot be controlled? Local, remote, and stop permissions2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. interprets the local, remote, and stop permissions of electric valves, explaining the command source, interlock priority relationship, and control room feedback. Combining Z941H electric gate valve to assist customers in establishing a mode acceptance form, the on-site ability to...View more > -
Why does the casing of the electric valve still get damp even though it hasn't received rainwater? Anti condensation configuration and shutdown management2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. analyzes the moisture and condensation of electric valves, distinguishing requirements for shell water ingress, anti condensation heating, and temporary storage during shutdown. Combining Q941F46 electric fluoropolymer-lined ball valve to assist customers in verifying cable entry...View more > -
Is a communication interruption of an electric valve equivalent to a power outage? Missing Action and State Validity2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. distinguishes between communication interruption, command loss, and power supply failure of electric valves, explaining the disconnection action, validity of valve position data, and restoration of permissions. Combining D941W electric regulating butterfly valve to assist custome...View more > -
Can pneumatic ball valves be manually operated at any time with a handwheel? Backup mechanism, disconnection and reset verification2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. interprets the manual backup mechanism of pneumatic ball valves, explaining the differences between pneumatic energy, disengagement, valve position feedback, and automatic recovery. Combined with Q3941F manual and pneumatic dual-purpose ball valve, we help customers clarify deliv...View more > -
Is it enough for the pneumatic valve air source to have sufficient pressure? Particle, moisture and oil content verification2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. interprets the quality of pneumatic valve gas sources, distinguishing between gas supply pressure, particles, moisture, and oil content, and explaining the relationship between pressure dew point and temperature at the end of use. Combining Q641F pneumatic ball valve to assist cu...View more > -
How to check the current of electric valve actuator? The difference between rated operation, start-up, and stalling2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. analyzes the rated, starting, and locked rotor currents of electric valve actuators, explaining the differences in power supply conditions, working tasks, and accessory power consumption. Combining Z941H electric gate valve to assist customers in verifying nameplates and data she...View more >
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Why is it possible for the valve chamber to increase pressure after the pneumatic ball valve is closed? Liquid trapped pressure and pressure relief path2026-10-13Fouten Flow Control (Jiangsu) Co., Ltd. analyzes the liquid trapped pressure after the pneumatic ball valve is closed, explaining the differences between the valve chamber and pipeline measuring points, temperature changes, valve seat release direction, and fault location. Assist customers in organizing heat tracing an...View more >
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