Diaphragm Valve
Brass Diaphragm Valve 
Pneumatic Diaphragm Valve
Straight Through Diaphragm Valve
Weir Type Diaphragm Valve
Weir Type Diaphragm Valve 
Sanitary Diaphragm ValveC-Way Engineering Exports' Diaphragm Valves are engineered for high performance, precision control and durability across demanding industrial applications. Manufactured using premium-grade materials such as stainless steel (304, 316, 316L), ductile iron, carbon steel, and PTFE-lined options, our valves offer superior resistance to corrosion, chemicals and high temperatures. Available in sizes ranging from 15mm to 300mm (1/2" to 12"), with pressure ratings up to PN25 and ANSI Class 300, our Diaphragm Valve ensures leak-proof operation and long service life. Designed in compliance with ASTM B16.34, EN 593, API 598, and ISO 9001:2015 standards, they meet stringent quality and safety requirements. Featuring various actuation options such as manual, pneumatic, electric and motorized, our valves support seamless integration with automated systems. Whether used in water treatment, pharmaceuticals, chemical processing or food industries, our Diaphragm Valve guarantees optimal flow control, minimal maintenance, and unmatched reliability. Our industrial valves are built to international standards, ensuring compatibility with global projects in industries like water treatment, pharmaceuticals, chemicals, food & beverage and oil & gas.
| Specification | Details |
|---|---|
| Size Range | 15mm to 300mm (1/2" to 12") |
| Body Materials | Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel (304, 316, 316L), PVC, PP, PTFE-lined |
| Diaphragm Materials | EPDM, Nitrile, PTFE, Viton, Natural Rubber |
| Pressure Rating | PN10, PN16, PN25, Class 150, Class 300 |
| Temperature Range | -10°C to 200°C (depends on material) |
| End Connections | Flanged (ANSI, DIN, JIS), Threaded (BSP, NPT), Tri-clamp |
| Operation | Manual, Pneumatic, Electric, Motorized |
| Testing Standards | API 598, EN 12266, ISO 5208 |
| Manufacturing Standards | ASTM B16.34, EN 593, ISO 9001:2015 |
| Face-to-Face Dimension Standards | ANSI B16.10, DIN 3202 |
| Design Standards | ASTM B16.34, EN 593, ISO 9001:2015 |
| Pressure Ratings | ANSI Class 150, 300, PN10, PN16, PN25 |
| Testing Standards | API 598, ISO 5208, EN 12266 |
| End Connections | ANSI B16.5, EN1092-1, DIN 2501 |
| Feature | Pneumatic Diaphragm Valve | Electric Actuated Diaphragm Valve | Motorized Diaphragm Valve |
|---|---|---|---|
| Actuation Type | Pneumatic (air-driven) | Electric motor | Electric motor with high torque |
| Control Type | On/Off, Modulating | On/Off, Modulating | Precise flow control |
| Operating Pressure | 2-8 bar (air supply) | 24VDC, 110VAC, 220VAC | 24VDC, 110VAC, 220VAC |
| Body Materials | CI, DI, SS, PTFE-lined | CI, SS, PTFE-lined | CI, SS, PTFE-lined |
| Diaphragm Materials | EPDM, PTFE, Viton | EPDM, PTFE, Viton | EPDM, PTFE, Viton |
| Temperature Range | -10°C to 150°C | -10°C to 180°C | -10°C to 200°C |
| End Connection | Flanged, Threaded | Flanged, Threaded | Flanged, Threaded |
| Control Signal | 4-20mA, Pneumatic pilot | 4-20mA, Digital | 4-20mA, Digital, Modbus |
| Applications | Water treatment, chemicals, pharma | Automation, remote control | Heavy-duty applications, high-precision control |
| Material Type | Available Grades |
|---|---|
| Cast Iron | ASTM A126, DIN EN 1561 |
| Ductile Iron | ASTM A395, EN-GJS-400-15 |
| Carbon Steel | ASTM A216 WCB, A105, DIN 1.0460 |
| Stainless Steel | ASTM A351 CF8, CF8M, CF3, CF3M, EN 1.4408, 1.4301 |
| Plastics | PVC, CPVC, PTFE, PVDF |
Our Diaphragm Valve offers an exceptional balance of reliability, chemical resistance and ease of maintenance. Whether for chemical processing, water treatment, or hygienic applications, they provide a high-performance solution for various industries. Looking for a manufacturer of high-quality Diaphragm Valve, industrial Diaphragm Valve or pneumatic Diaphragm Valve? Contact us today to find the perfect solution tailored to your application needs!
As one of India’s leading manufacturer, supplier and exporter of Diaphragm Valves, we take immense pride in delivering superior quality products and exceptional customer service. Our skilled team utilizes cutting-edge technology and adheres to stringent industry standards to produce reliable and durable valves tailored to meet your needs.
Excellence is the foundation of everything we do. At C-Way Engineering Exports, we have consistently set new benchmarks in quality and innovation, offering world-class manufacturing solutions powered by advanced engineering techniques. Our commitment to delivering premium products has earned us a distinguished reputation in the global market.
When you choose C-Way Engineering Exports, you partner with a company that prioritizes quality, precision and customer satisfaction. Join our growing network of satisfied clients become one of our happy customers? and experience the difference of working with a manufacturer that redefines excellence.
A diaphragm valve is a type of flow control valve that uses a flexible diaphragm to regulate the flow of liquids, gases and slurries. The diaphragm acts as a sealing element, pressing against a seat in the valve body to stop or regulate flow. Unlike other valves, Diaphragm Valve provides superior sealing, corrosion resistance and the ability to handle viscous, abrasive, and contaminated media. These valves are ideal for applications that require a leak-tight seal, minimal maintenance, and precise throttling control. They are commonly used in manual, pneumatic, and electric actuation systems, making them highly adaptable for industrial automation.
Diaphragm Valves are widely used across multiple industries due to their unique leak-tight sealing, corrosion resistance, and ability to handle aggressive, high-purity, and viscous fluids. These valves are commonly found in applications where sanitation, chemical compatibility, and precise flow control are critical. Below are the key industries and their specific applications for Diaphragm Valve:
Diaphragm Valves play a vital role in municipal and industrial water treatment plants due to their ability to handle corrosive chemicals, slurries and high-purity fluids. Their excellent sealing properties ensure zero leakage, making them ideal for controlling various processes.
✔ Chemical-resistant materials like PTFE-lined or rubber-lined options for aggressive media.
✔ Smooth internal surfaces prevent contamination buildup.
The chemical industry requires valves that can handle aggressive acids, alkalis, solvents and high-temperature fluids. Diaphragm Valves are preferred due to their ability to resist corrosive and abrasive chemicals while preventing leakage.
✔ Corrosion-resistant materials (PTFE, PVDF, rubber-lined) ensure long service life.
✔ Bubble-tight shut-off prevents hazardous leaks.
Pharmaceutical and biotech industries require ultra-clean, aseptic, and sterile conditions in fluid handling. Diaphragm Valve meet these stringent requirements due to their smooth, crevice-free internal design, which prevents bacterial growth.
✔ FDA & GMP-compliant designs for pharmaceutical applications.
✔ Sanitary-grade materials (stainless steel, PTFE) prevent microbial growth.
✔ CIP (Clean-in-Place) and SIP (Steam-in-Place) compatibility.
Food processing facilities require valves that meet hygiene, FDA compliance and contamination-free operation. Diaphragm Valves provide smooth, polished interiors that prevent bacterial buildup and ensure safe food handling.
✔ 3A and FDA-compliant materials ensure food safety.
✔ Easy to clean and maintain, reducing downtime.
Diaphragm Valves are essential in oil refineries, petrochemical plants and natural gas processing due to their ability to handle corrosive, high-temperature, and high-pressure fluids.
✔ High durability in extreme temperature and pressure conditions.
✔ Corrosion-resistant materials for handling aggressive hydrocarbons.
Power plants rely on Diaphragm Valve for handling cooling water, boiler feed chemicals and sludge processing in thermal and nuclear power plants.
✔ High-temperature resistance for boiler applications.
✔ Long service life and low maintenance requirements.
Semiconductor manufacturing requires ultra-pure water and chemical handling to prevent contamination. Diaphragm Valves play a critical role in ensuring precision flow control and zero particle contamination.
✔ Zero contamination risk with high-purity PTFE-lined designs.
✔ Precision control for sensitive manufacturing processes.
Diaphragm Valves are widely used in the mining, metallurgy and mineral processing industries due to their ability to handle abrasive slurries, high-solid-content fluids, and corrosive chemicals.
✔ Abrasion-resistant linings (rubber, PTFE) prevent wear and erosion.
✔ High flow capacity with minimal pressure drop.
With decades of experience in the industry, 'C-Way Engineering Exports’ witnessed the critical importance of utilizing high-quality Pipes & Tubes that meet international standards. Whether you are in Oil and Gas, petrochemical, power generation, or any other industry relying on efficient and reliable piping systems, investing in high quality valves is essential. Don't compromise on safety, performance, or longevity. Partner with trusted suppliers like us ‘C-Way Engineering Exports’, who prioritize quality and adherence to standards, ensuring your projects are built to last.
Contact us today to explore our full range of industrial valves, pipe fittings, pipes & tubes, flanges and experience the excellence of our products and how we can support your piping needs with our expertise and premium-grade valves. Let's build a robust infrastructure together.
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+91 9391116127
sales@cwayexports.com
