Specialityvalve is a fast growing Diaphragm valve manufacturer in India. A diaphragm, a "weir or saddle" or seat that the diaphragm closes the valve on, and a valve body with two or more ports make up a diaphragm valve. The basic construction of the Diaphragm Valves is relatively simple. The Diaphragm, the Body, and the Bonnet are its three main parts.

For dealing with corrosive, abrasive, viscous, and fibrous fluids, diaphragm valves are the best option. Similar to pinch valves, diaphragm valves use a linear compressor to compress a thin diaphragm against the valve body. They can regulate both discrete and variable pressures and can be operated manually or automatically. Diaphragm valves are ideal for applications needing stop/start fluid control at moderate pressure and temperature because they are clean, leak-proof, simple to maintain, safe, and efficient.
Components of Diaphragm Valves
The components of diaphragm valves are the following:
Bonnet
Bolts hold the top cover, known as the bonnet, to the valve body. It protects the compressor, stem, diaphragm, and other dry valve components.
Body of Valve
The valve body is the component that is directly connected to the pipeline via which the fluid is transported. The flow area inside the valve body depends on the type of diaphragm valve. The valve body and bonnet are constructed from sturdy, corrosion-resistant materials.
Diaphragm
The diaphragm, a highly elastic polymeric disc that slides downward to restrict or impede fluid flow, touches the bottom of the valve body. The diaphragm rises if the fluid flow rate needs to be increased or if the valve needs to be fully opened. Fluid flows beneath the diaphragm. The diaphragm, however, limits the operating temperature and pressure of the valve due to its composition and structure. It also needs to be replaced periodically because it loses mechanical quality over time as it is utilised.
The diaphragm divides the moist and dry portions of the system (compressor, stem, and actuator). Particles and viscous fluids are therefore less likely to interfere with the operation of the diaphragm valve. Additionally, this prevents rusting on the non-wetted parts.
Compressor
The valve stem and the diaphragm are separated by a disc known as the compressor. It disperses the stem's forces during linear motion and supports the diaphragm valve. The compressor architecture has been altered to enable improved flow throttling and control.

Stem
The stem, a vertical shaft connected to the compressor that causes the diaphragm and compressor to move linearly, controls the diaphragm valve. It transmits the motion of the actuator. Both piston-style and threaded stems are available for diaphragm valves. As the name implies, piston-type valves are moved by a piston assembly inside the bonnet, with the valve stem likely acting as the piston rod. For this type to apply a linear force, fluid pressure is required.

Advantages:

1. There won't be any packing of glands.
2. Line maintenance is straightforward.
3. The body can be taken apart and put back together without being taken out of the pipeline.
Industries that use Diaphragm Valves:
1. Water and Wastewater.
2. Power.
3. Pulp and Paper.
4. Chemical.
5. Cement.
6. Mining and Minerals.

Description:
Available materials: Cast Iron, Ductile Iron, Alloy 20, WCB, WC6, WCC, LCB, LCC , SS304, SS316, CF8, CF8M
Size: ½” to 12”
Class: 150 to 600
Nominal Pressure:PN10 to PN100
Operation: Handwheel, Pneumatic actuated, Electric actuated
End: Flanged, Threaded


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