PTFE Lined Diaphragm Valve

Corrosion
Resistant

Leak Tight
Sealing

Automated
Operation

Low Maintenance
Long Life

Alis Valves is a trusted PTFE Lined Diaphragm Valve Manufacturer & Supplier in India, offering high-performance diaphragm valves for handling highly corrosive, abrasive, and aggressive process media. Designed with premium PTFE lining and a flexible diaphragm, these valves provide exceptional chemical resistance, bubble-tight sealing, low maintenance, and extended service life. They are widely used in chemical processing, pharmaceutical, petrochemical, fertilizer, water treatment, food & beverage, and industrial process applications requiring contamination-free flow control.

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Product Specifications and Overview

Size Range

DN15 to DN300 (½" to 12")

Pressure Rating

PN10, PN16 / ANSI Class 150

Body Material

Cast Iron, Ductile Iron, Carbon Steel (WCB), SS304, SS316

Lining Material

Virgin PTFE

Diaphragm Material

PTFE, EPDM, PTFE Backed EPDM

Seat Design

Weir Type / Straight Through

End Connection

Flanged, Threaded, Socket Weld, Butt Weld, Tri-Clamp

Operation

Manual Handwheel, Pneumatic, Electric

Temperature Range

-20°C to +180°C (Depending on Diaphragm Material)

Leakage Standard

Bubble Tight Shut-Off

Design Standards

MSS SP-88, ASME B16.34, ISO 5211

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Industries Served

Cement

Engineered valve solutions tailored for critical Cement operating processes.

Chemical

Engineered valve solutions tailored for critical Chemical operating processes.

Data centres

Engineered valve solutions tailored for critical Data centres operating processes.

Fertilizer

Engineered valve solutions tailored for critical Fertilizer operating processes.

Applications

Ammonia

High-performance flow automation engineered for Ammonia operations.

CO₂

High-performance flow automation engineered for CO₂ operations.

Compressed Air

High-performance flow automation engineered for Compressed Air operations.

Cryogenic

High-performance flow automation engineered for Cryogenic operations.

Frequently Ask Questions

What Is a PTFE Lined Diaphragm Valve?

A PTFE Lined Diaphragm Valve is a diaphragm valve whose wetted body surfaces are protected with PTFE lining to provide high resistance against corrosive and aggressive process fluids. The diaphragm also isolates the process fluid from the valve's operating mechanism

When Is a PTFE Diaphragm Preferred?

A PTFE diaphragm is preferred where the process requires high chemical resistance.

Why Is PTFE Lining Better Than Bare Metal for Corrosive Media?

Bare metal may corrode when exposed to aggressive chemicals. A properly applied PTFE lining provides a chemically resistant barrier between the process fluid and the body material.

What Is the Main Advantage of a PTFE Lined Diaphragm Valve?

Its primary advantage is excellent chemical and corrosion resistance, making it suitable for aggressive acids, alkalis and other corrosive process fluids.

Who Is a PTFE Lined Diaphragm Valve Manufacturer in India?

Alis Valves is a PTFE Lined Diaphragm Valve manufacturer and supplier in India, providing corrosion-resistant valve solutions for chemical processing, acid and alkali handling, pharmaceutical, water treatment, fertilizer, wastewater and other industrial applications.