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.

Pressure & Temperature Parameters

Application Scope

Applicable Medium & System: Steam system, natural gas, toxic waste gas purification, vacuum equipment, hot oil system, heating equipment, refrigeration system, ammonia medium, hot water, power station and other industrial systems.

Applicable Temperature: -29℃ ~ 350℃

Adopted Standards

• Manufacturing Standards: GB12234, API6D, DIN3356

• Inspection & Test Standards: GB12937, API 598, DIN3230

• Structure Length Standards: GB1221, ANSI B16.10, DIN3202

• Butt Weld End Standard: GB12234

• Flange Standard: DIN2543-2545

Main Material Configuration

Product Features

• Adopts bellows sealing stem design with double-layer or triple-layer bellows structure

• Equipped with double sealing structure for reliable sealing performance

• Non-rising handwheel design with visual position indicator

• Compact structure and convenient maintenance

Specification Parameters