Pneumatic cast steel WCB fluoropolymer lined flange ball valve

Q641F46/PFA Pneumatic fluoropolymer-lined Flange Ball Valve

This product adopts pneumatic drive and flange connection. The current parameter fields include WCB, 304 valve body materials, as well as lining options such as PFA, PTFE, FEP, etc. The specific model suffix and actual lining material must be based on the order and product information.

Lining materials cannot be mixed into one type

PFA, FEP, and PTFE belong to different fluorinated polymer materials, with differences in processing methods, operating temperatures, and medium adaptability. This page no longer uniformly writes all configurations as PTFE lining, nor automatically equates F46 with other linings.

How to choose a fluoropolymer-lined ball valve?

It is necessary to provide the composition and concentration of the medium, temperature, pressure, diameter, and connection standards, and confirm the combination of valve body, sphere, valve seat, and lining materials. The risk of lining damage should also be evaluated separately for particle and abrasion conditions.

How to configure pneumatic accessories?

Single acting or double acting actuators, solenoid valves, filtering and pressure reducing devices, limit feedback or locators can be configured according to control needs. The proportional adjustment function is only established when the actual valve structure and positioning control configuration meet the requirements.

Fluorine lining materials can be referred toPFA, FEP, and PTFE lining material selection instructionsSee more pneumatic ball valvesSelection of Pneumatic Ball Valve。

Frequently Asked Questions

Are all products of Q641F46/PFA lined with PTFE?

No, there are multiple lining options in the parameter column on this page, and the actual materials need to be confirmed according to the order.

Can PFA, FEP, and PTFE be replaced freely?

No, it should be selected based on the medium, temperature, pressure, and actual manufacturing structure.

Does the pneumatic fluoropolymer-lined ball valve support 4–20mA by default?

Not default, actual configuration of locator and corresponding control module is required.