Bellows Seal Gate Valve
Product Introduction
Bellows sealed gate valve is a high-performance valve designed to ensure sealing integrity and prevent medium leakage. It utilizes bellows sealing technology to effectively block fluid leakage that may cause environmental pollution or potential safety hazards. This valve is suitable for steam, heat transfer oil systems, heat exchangers and other high-temperature, high-pressure fluid control applications. It features a compact structure, convenient maintenance, and long-term reliable sealing performance.
Technical Features
Efficient Sealing: The bellows design ensures zero leakage inside the valve, improving overall system safety.
High Temperature and Pressure Resistance: Suitable for various high-temperature and high-pressure working environments; ensures stable and reliable operation.
Easy Maintenance: Simplified design and high-quality manufacturing materials reduce maintenance requirements and repair frequency.
Long Service Life: High-quality materials and precision engineering guarantee excellent performance and durability.
Bolted Bonnet or Self-Sealing Bonnet: Provides flexible installation options, facilitating on-site application and maintenance.
Rising Stem: The rising stem design allows for smoother operation and better flow control.
Bellows Sealing Design: Enhances valve sealing reliability and reduces maintenance.
Cemented Carbide Sealing Surface: Offers additional wear resistance and corrosion resistance, suitable for harsh working conditions.
Specification Parameters
Body Material: Carbon steel, stainless steel, alloy steel
Nominal Diameter: NPS 1/2"~24", DN 15~600
Pressure Range: Class 150~2500, PN 10~420
Operating Temperature: -46°C~+538°C
Driving Mode: Manual, pneumatic, electric, etc.
Application Scope: Tap water, sewage, construction, petroleum, chemical industry, food, medicine, textile, electric power, shipbuilding, metallurgy, energy systems, etc.








