AsalAra Mechanical Bellows Seal Valve

The AsalAra Mechanical Bellows Seal Valve integrates a metal bellows seal with an additional mechanical sealing mechanism, offering enhanced sealing reliability for valve stems in critical process environments. The flexible metal bellows ensures a hermetic barrier against leakage, while the mechanical seal element provides additional protection against fugitive emissions.

This dual sealing system is engineered to operate under high pressure, extreme temperatures, and corrosive media, making it suitable for petrochemical, chemical, power generation, and pharmaceutical industries. The mechanical bellows seal valve significantly reduces maintenance needs and environmental impact by eliminating traditional packing materials and ensuring long-lasting, leak-tight operation.

Constructed from high-quality stainless steel and alloy materials, AsalAra’s mechanical bellows seal valves offer exceptional resistance to fatigue, corrosion, and thermal cycling.

Size Range

Valve Size (inch/mm)

Range

½" (15 mm) to 24" (600 mm)

Custom sizes available

Pressure Class

Standard

Pressure Rating

ASME B16.34

Class 150 to 900

Materials
Standard Connections
Product Line

AsalAra MechBell Series
Advanced Mechanical Bellows Seal Valves for Enhanced Sealing and Durability

Features & Benefits

Combination of bellows and mechanical seal

Superior leak-tight performance and redundancy

Flexible metal bellows

Hermetic sealing with excellent fatigue resistance

Robust mechanical sealing element

Added protection against fugitive emissions

High corrosion and temperature resistance

Suitable for harsh chemical and thermal environments

Reduced maintenance requirements

Lower operational costs and downtime

Environmentally compliant

Meets stringent regulations on emissions

Applications

Petrochemical and refining plants

Power generation

Chemical processing

Pharmaceutical manufacturing

Critical valve applications requiring high safety and reliability

Design Standards
Testing Procedures
Customization Options
Why AsalAra?

AsalAra Mechanical Bellows Seal Valves provide a highly reliable, dual-seal system that ensures zero leakage and superior durability, making them ideal for the most demanding industrial applications requiring exceptional environmental safety.

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