Installation size

Product Description:

Fluorine lined diaphragm valve is a special form of shut-off valve, whose opening and closing component is a diaphragm made of soft material, which separates the valve body cavity from the valve cover cavity and driving components, hence the name diaphragm valve.

Main performance:
Working medium: gas, water, oil;

Working temperature:- 30℃～＋150℃；
Main material: Carbon steel

Applicable medium: corrosive
Nominal diameter: DN15-DN400 mm

Connection type: flange

Product model: G41FS G41F46

The characteristics of diaphragm valves are as follows:

The most prominent feature is that the diaphragm separates the lower valve body cavity from the upper valve cover cavity, so that the valve stem, valve disc and other parts located above the diaphragm are not corroded by the medium, eliminating the need for packing sealing structure and preventing medium leakage.
1. Diaphragm made of soft sealing materials such as rubber or plastic has good sealing performance. Due to the vulnerability of the diaphragm, it should be replaced regularly based on the characteristics of the medium.
2. Due to the limitations of diaphragm materials, diaphragm valves are suitable for low-pressure and relatively low temperature applications.
3. Diaphragm valves can be divided into six types according to their structural forms: house type, DC type, globe type, straight through type, gate type, and right angle type; The connection form is usually flange connection; According to the driving mode, it can be divided into three types: manual, electric, and pneumatic. Among them, pneumatic driving is further divided into three types: normally open, normally closed, and reciprocating.
4. It is generally not suitable for use in pipelines with temperatures above 60 degrees and for transporting organic solvents and strong oxidizing media, nor should it be used in pipelines with higher pressures

Diaphragm valve is a valve used to open or block airflow in fluid systems ranging from 1.3 × 10-5 to 2.5X106Pa.

Principle of fluorine lined diaphragm valve:

Driven by compressed air, the transmission screw moves the valve core up and down, while pulling the diaphragm up and down to close and open. Features: Compact structure, simple, small size, beautiful appearance; The switch is guided and moves smoothly; Small closing torque, long lifespan, ≥ 300000 times; The membrane compression can be automatically adjusted, with uniform compression and reliable sealing; The membrane is inserted into the valve core in a push in manner, making it easy to replace;

Fluorine lined diaphragm valve:
1. This valve consists of a valve body, a valve cover, a valve stem, a valve disc, a diaphragm, and other driving components.
The opening and closing of the valve is achieved by driving the valve stem nut with the connecting shaft of the electric device, which drives the valve disc to rise and fall when the valve stem moves axially.
When the power supply fails and is interrupted, and the valve urgently needs to be opened and closed in an emergency situation, the "manual electric switch handle" should first be switched to the position marked with manual markings, and then the flashing door can be opened and closed by rotating the handwheel. When rotated clockwise, the valve can be closed; Otherwise, it will be activated.