Pneumatic Goggle Valve

Corrosion
Resistant

Leak Tight
Sealing

Automated
Operation

Low Maintenance
Long Life

Alis Valves is a leading manufacturer of Pneumatic Goggle Valves designed for safe and efficient isolation in high-temperature and gas handling systems. Also known as Pneumatic Spectacle Blind Valves, these valves use a pneumatic actuator to automatically switch between the blind plate and spacer, ensuring complete shut-off or full flow. Ideal for hazardous and critical applications, they eliminate manual handling and enhance operational safety.

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Product Specifications and Overview

Size Range

DN50 to DN2000

Pressure Rating

PN10, PN16, PN25 / ANSI 150, 300

Body Material

Carbon Steel, Alloy Steel, Stainless Steel

Plate Material

Carbon Steel / SS (Optional Lining)

Actuation

Pneumatic Cylinder

Air Supply

4 to 7 Bar

Operation

Automatic (Open / Close / Blind Position)

Sealing

Metal to Metal / Soft Seal (Optional)

End Connection

Flanged

Temperature Range

Up to 600°C

Media

Gas, Air, Flue Gas, Dust

Leakage

Zero Leakage (Positive Isolation)

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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 Pneumatic Goggle Valve?

A Pneumatic Goggle Valve is a positive-isolation valve operated by a pneumatic actuator. It uses a goggle or spectacle plate to physically isolate a pipeline from the process system.

How Does a Pneumatic Goggle Valve Work?

A pneumatic cylinder moves the goggle plate between its open and isolated positions. The sealing mechanism then provides the required isolation of the pipeline.

What Is the Difference Between Goggle Valve and Blind Flange?

A blind flange provides a fixed physical blockage and normally requires manual removal for line opening. A goggle valve provides a movable physical isolation plate, allowing the line to be opened or positively isolated through valve operation.

What Is the Main Advantage of a Pneumatic Goggle Valve?

Its main advantage is positive physical isolation combined with fast pneumatic operation. The position of the goggle plate also provides a clear indication of whether the line is open or isolated.

What Is the Difference Between Goggle Valve and Spectacle Blind?

A spectacle blind is generally manually repositioned between open and blind positions. A pneumatic goggle valve is a complete actuated valve assembly that allows the isolation plate to be operated remotely using pneumatic power.

Who Is a Pneumatic Goggle Valve Manufacturer in India?

Alis Valves is a Pneumatic Goggle Valve manufacturer and supplier in India, providing positive-isolation valve solutions for steel plants, blast furnace gas, coke oven gas, gas cleaning plants, power plants and industrial process-gas applications.