AsalAra Mechanical Bellows Seal Valve
- 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.
Valve Size (inch/mm)
Range
½" (15 mm) to 24" (600 mm)
Custom sizes available
Standard
Pressure Rating
ASME B16.34
Class 150 to 900
- Bellows: Stainless Steel 304/316, Inconel 625
- Mechanical Seal: Carbon Steel, Stainless Steel
- Valve Body: Carbon Steel, Stainless Steel, Alloy Steel
- Flanged (RF, RTJ)
- Butt Weld Ends
- Threaded Ends
AsalAra MechBell Series
Advanced Mechanical Bellows Seal Valves for Enhanced Sealing and Durability
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
Petrochemical and refining plants
Power generation
Chemical processing
Pharmaceutical manufacturing
Critical valve applications requiring high safety and reliability
- API 622 – Metal Bellows Seals for Valve Applications
- ASME B16.34 – Valve Pressure Ratings and End Connections
- ISO 15848 – Fugitive Emissions Testing
- Helium leak detection tests
- Pressure cycling endurance testing
- Corrosion and material compatibility assessments
- Custom alloy selections for extreme environments
- Tailored bellows and mechanical seal designs for specific valve types
- Integration with actuator systems
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.