Electric fluoropolymer-lined ball valve Q941F46-16C

Product Features

Corrosion resistant, remote switch, flange connection

Model number

Q941F46-16C

Specification and caliber

DN15-DN200

Pressure level

PN16

Material

WCB fluorine lining

Product Introduction

Q941F46-16C electric fluoropolymer-lined ball valve

The electric fluoropolymer-lined ball valve Q941F46-16C is suitable for switching, cutting off, or process control in fine chemical, acid-base transportation, and environmental protection devices. Before selecting, it is necessary to confirm the composition of the medium, temperature, design pressure, normal and maximum flow rates, pressure difference before and after the valve, connection standards, and control signals. The model cannot be determined solely based on the pipe diameter. The parameters in this article are commonly used configurations and should ultimately be based on project conditions, order confirmation, and manufacturing drawings.

Structure and Drive

Q941F46-16C adopts a two-piece straight channel, flange connection, and floating ball structure. During operation, the angle stroke electric actuator drives the opening and closing components to change the flow area, achieving corresponding cutting or adjustment. When it comes to remote control, interlocking, or feedback, the requirements for power supply, control signals, valve position feedback, and electric actuators should be clearly defined during the ordering phase to avoid on-site configuration mismatch.

Material and sealing

The commonly used caliber is DN15-DN200, and the pressure rating is PN16. The valve body material is WCB lined with fluorine, and the seal adopts PTFE lined seal. The selection of materials must take into account the corrosiveness of the medium, chloride ions, temperature fluctuations, particulate matter, and cleaning conditions; The allowable pressure difference, leakage level, and temperature range need to be checked synchronously. Under conditions of high temperature, easy crystallization, particle content, or frequent operation, the hardness of valve internals, packing structure, and erosion prevention measures should also be confirmed.

Product Specifications

Product Model	Q941F46-16C
Structural form	Two piece straight channel, flange connection, floating ball structure
Nominal Diameter	DN15-DN200
pressure rating	PN16
Valve body material	WCB fluorine lining
sealing form	PTFE lining seal
Drive Type	Angular stroke electric actuator
Applicable temperature	-20℃ to 150℃, confirm according to the lining material
Applicable Medium	Acid alkali and compatible corrosive media

Applicable working conditions

Common features include corrosion resistance, remote switch, flange connection, which can be used in fine chemicals, acid and alkali transportation, and environmental protection devices. When used in explosion-proof areas, actuators, limit switches, solenoid valves, or locators should be configured according to the site zoning. When used in food, pharmaceutical, or high-purity media systems, further confirmation of the contact material, surface treatment, and cleaning plan is required; Projects involving flammable, toxic, or highly corrosive media should undergo specialized safety reviews.

Installation and Debugging

Before installation, check the nameplate, flow direction, and connection standards, remove welding slag and hard debris, and avoid transmitting pipeline stress to the valve body. Maintenance space should be reserved around the actuator; The cable entrance should be waterproofed and protected according to the on-site environment. The first debugging can be carried out by checking the switch position, travel feedback, interlocking logic, and sealing of connection parts in a low-risk state, and then gradually putting them into normal operation.

Operation and maintenance

During operation, action time, valve position feedback, abnormal noise, leakage, and control signals should be recorded. When there is a delay or inability to move properly, the power supply, wiring, control module, valve position feedback, and electric actuator should be checked first, and then the valve stem, valve seat, and seals should be inspected. Blindly increasing the driving force is not advisable. Before maintenance, it is necessary to isolate the medium, relieve pressure, and confirm that there is no residual energy; After replacing spare parts, sealing and action tests should be conducted.

Q&A on the selection of electric fluoropolymer-lined ball valves

What media information is required before selecting Q941F46-16C for corrosive media?

Please provide the composition, concentration, temperature, pressure, particles, and negative pressure of the medium, and check the valve body, lining, sphere, and seal item by item. Corrosion resistance does not mean that any lining material can be used or adapted to all chemical media.

When replacing the old flange ball valve with Q941F46-16C, is it enough to only check DN and PN?

It is also necessary to verify the flange standard, sealing surface, structural length, valve body and seat materials, as well as the allowable pressure at operating temperature. The installation space and connection bracket of the actuator should also be confirmed together with the site.

Will Q941F46-16C automatically shut down after a power outage?

The power-off action cannot be determined solely by the name of the electric drive. Ordinary electric actuator cannot default to having automatic valve closing function when power is lost; If the process requires fault closure, the energy storage or other fault safety scheme of the actuator should be confirmed at the time of ordering, and the entire valve interlock verification should be completed.

Selection and ordering information

Suggest providing the name and composition of the medium, design and operating temperature, maximum and normal pressure, flow range, pipeline standards, operating frequency, power supply, control signals, valve position feedback and electric actuator requirements, fail safe location, and environmental protection requirements. Fouten Flow Control (Jiangsu) Co., Ltd. can be used to verify the caliber, material, seal, actuator, and accessory combination, retaining technical basis for installation and maintenance.

The selection of fluorine lining materials can be referred toPFA, FEP, and PTFE lining material selection instructionsCorresponding pneumatic products can be found inQ641F46-16C Pneumatic fluoropolymer-lined Ball ValveMore electric ball valves can be foundSelection of electric ball valve。