Bellows Seal Globe Valve

Bellows Seal Globe Valve is engineered to provide zero stem leakage and reliable shut-off in demanding industrial applications. Engineered to the rigorous standards of leading industrial valve manufacturers, it features a robust, multi-ply stainless steel bellows that eliminates stem leakage, ensuring the safe containment of hazardous fluids, toxic media, and steam.Designed for accurate flow regulation and long-term durability, these valves are widely used in steam, thermal oil, toxic, hazardous, and high-purity service. Available in cast steel, forged steel, and stainless steel constructions with ANSI, DIN, and BS standards, Bellows Seal Globe Valves deliver safe, maintenance-friendly, and environmentally compliant performance across power generation, chemical processing, oil & gas, and petrochemical industries.

Specification of Bellows Seal Globe Valve

Parameter	Specification
Size Range	DN15–DN1200 (NPS 1/2"–48")
Pressure Rating	Class 150–2500 / PN16–PN420
Body Materials	Carbon Steel, Cast Steel, Stainless Steel, Alloy Steel
Bonnet Type	Bolted Bonnet, Pressure Seal Bonnet
Bellows Material	SS304, SS316, SS321, Inconel (Optional)
Trim Material	13Cr, SS304, SS316, Stellite Overlay, Alloy Steel
Seat Type	Renewable Seat, Integral Seat
Stem	Rising Stem, Non-Rotating Stem
End Connection	Flanged, Butt Weld, Socket Weld, Threaded
Operation	Handwheel, Gear Operator, Electric Actuator, Pneumatic Actuator
Design Standard	API 602, API 623, BS 1873, DIN 3356
Face-to-Face	ASME B16.10, EN 558
Flange Standard	ASME B16.5, EN 1092-1
Butt Weld Standard	ASME B16.25
Inspection & Testing	API 598, ISO 5208, EN 12266
Leakage Class	ISO 15848, TA-Luft Low Emission (Optional)
Working Temperature	-196°C to +600°C (Depending on Material)
Application	Steam, Thermal Oil, Hot Water, Toxic Media, Heat Transfer Fluid, Chemical, Petrochemical, Oil & Gas, Power Plant

Features of Bellows Seal Globe Valve

Zero Stem Leakage DesignA hermetically welded metal bellows creates a permanent seal between the process media and the atmosphere, effectively eliminating stem leakage.Dual Sealing ProtectionCombines ...

Zero Stem Leakage Design

A hermetically welded metal bellows creates a permanent seal between the process media and the atmosphere, effectively eliminating stem leakage.

Dual Sealing Protection

Combines a welded bellows with a conventional stem packing as a secondary seal, ensuring continuous sealing performance even if the bellows reaches the end of its service life.

Fugitive Emission Control

Specifically engineered to minimize fugitive emissions, making it ideal for handling toxic, hazardous, explosive, or environmentally sensitive media.

Packing-Free Stem Movement

The stem operates within the bellows assembly, significantly reducing packing wear, adjustment requirements, and maintenance frequency.

Extended Valve Service Life

Precision-formed stainless steel bellows are designed to withstand thousands of operating cycles while maintaining reliable sealing integrity.

Ideal for Critical Process Applications

Particularly suitable for steam systems, heat transfer oil, high-temperature fluids, vacuum service, and aggressive chemical media where external leakage cannot be tolerated.

Enhanced Personnel and Environmental Safety

Prevents hazardous media from escaping to the atmosphere, improving workplace safety and supporting compliance with stringent environmental regulations.

Low Life-Cycle Maintenance Cost

Eliminates routine packing replacement and stem leakage repairs, reducing downtime and long-term maintenance expenses.

SAVVY IMPORT AND EXPORT CO., LTD.

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