What is a butterfly valve?

butterfly valve is a type of flow control device that uses a rotating disc to regulate the flow of a fluid. The disc is positioned in the center of the pipe and operates similarly to a butterfly's wings, hence the name.

How does a butterfly valve work?

When the valve is closed, the disc blocks the pipe completely. When the valve is fully open, the disc is rotated a quarter turn to allow an almost unrestricted flow. Partially opening the valve allows for throttling the flow.

What materials are used to make butterfly valves?

Butterfly valves can be made from a variety of materials, including cast iron, stainless steel, plastic, and other materials depending on the application and the fluids being handled.

Diaphragm Valves in India, BEW Diaphragm Valve

Diaphragm Valves in India

This is a valve useful for flow controlling and throttling of fluids in the industries and employs a diaphragm as the shutting down device. We are the chief manufacturer, supplier as well as exporter of Diaphragm Valves in India.

Our Diaphragm valves are specifically designed by our experts for the flow control of chemical slurry, fluids having solid suspensions, as well as abrasive fluids etc. These are made from our meticulously chosen basic materials in addition to utilization of the contemporary technology in compliance to the international norms of quality. These are quality tested and verified to assure that they are defect free and offer reliable and consistent performance.

These have excellent features because of their excellent design and careful make like supreme performance with durability, easy usage, and excellent resistance to corrosion &offer nil leakage and are very affordable as well.

Key Features of Diaphragm Valves

Excellent flow control and reliable shut-off performance
Leak-proof design with a flexible diaphragm
Ideal for handling corrosive, abrasive, and aggressive media
Excellent resistance to chemical contamination
Suitable for liquids, gases, slurries, and viscous fluids
Low maintenance with fewer moving components
Easy to clean and suitable for hygienic applications
Available with manual, pneumatic, and electric actuation
Long service life with corrosion-resistant construction
Provides precise throttling and efficient flow regulation

Applications of Diaphragm Valves

Chemical processing plants
Pharmaceutical manufacturing facilities
Water and wastewater treatment plants
Food and beverage processing industries
Biotechnology and laboratory applications
Mining and mineral processing industries
Pulp and paper manufacturing plants
Power generation and utility systems
Corrosive chemical and slurry handling systems
Industrial process fluid control pipelines

Diaphragm Valves – FAQs

Can Diaphragm Valves handle corrosive fluids?

Yes, Diaphragm Valves can handle many corrosive and aggressive fluids when the valve body and diaphragm materials are properly selected for the specific application.

Are Diaphragm Valves suitable for slurry applications?

Yes, Diaphragm Valves are suitable for many slurry applications because the diaphragm helps isolate the operating mechanism from the process media.

How does a Diaphragm Valve work?

A Diaphragm Valve works by moving a flexible diaphragm against the valve body or weir. This movement controls, restricts, or completely stops the flow of process media.

What types of Diaphragm Valves are available?

Common types include weir-type and straight-through diaphragm valves. They can also be supplied with manual, pneumatic, or automated actuation depending on the application.

How often should a Diaphragm Valve be maintained?

Maintenance frequency depends on the operating conditions, process media, pressure, temperature, and valve usage. Regular inspection of the diaphragm and sealing components helps ensure reliable performance.