Globe Valve / Bellows Seal Globe Valve, Stainless Steel, Butt Weld, Electric Actuated, Bellows Seal Structure, Steam/Corrosive Media, ASME B16.34 Standard

Product Description

Globe valve is a forced-sealed valve. Its closure element (disc) moves linearly up and down along the centerline of the seat, achieving medium shut-off and flow regulation through tight contact between the disc and seat. Installation must follow the flow direction of low inlet and high outlet.

It features short opening/closing stroke, reliable sealing and good regulation performance, but has relatively high fluid resistance. It is widely used in pipeline systems in petroleum, chemical, power, municipal and other industries.

Nominal Diameter (DN): DN10 DN600 mm (larger or smaller sizes customizable)

Nominal Pressure (PN/Class): PN1.6 PN32.0 MPa (Class 150 1500) (higher or lower pressures customizable)

Operating Temperature: Carbon steel: -29 425; Stainless steel: -196 550; High-temperature alloy: up to 600+ (customizable)

Test Pressure: Shell: 1.5 Nominal Pressure; Seal: 1.1 Nominal Pressure

Leakage Class: Metal seal: ANSI B16.104 Class IV; Soft seal: Class VI (bubble-tight/zero leakage), customizable

Design & Manufacturing Standards: Design & production: GB/T 12235; Face-to-face dimension: GB/T 12221 (customizable)

Body/Bonnet

Common materials: WCB (carbon steel); CF8 (304 stainless steel); CF8M (316 stainless steel); WC6 (chromium-molybdenum steel)Applicable service conditions: WCB: water / steam at normal temperature; 304/316: corrosion-resistant; WC6: high-temperature steam

Disc/Seat

Common materials: 2Cr13; 304/316; Stellite hardfacingApplicable service conditions: Stellite for metal-to-metal sealing; PTFE insert for soft sealing

Stem

Common materials: 2Cr13; 1Cr18Ni9Ti; 316; nitrided / chromium-plated treatmentApplicable service conditions: Wear-resistant, corrosion-resistant, anti-galling

Packing/Seal

Common materials: Graphite packing (high temperature); PTFE packing (general / low temperature); bellows seal (zero leakage, toxic media)Applicable service conditions: Graphite packing for high temperature; PTFE packing for general/low temperature; bellows seal for zero leakage and toxic media

Superior Sealing Performance

Equipped with bellows seal technology, these globe valves ensure zero leakage even under harsh conditions, significantly minimizing maintenance frequency. The choice of metal hard seals with Stellite hardfacing or soft PTFE inserts guarantees reliable operation whether managing corrosive chemicals or high-pressure steam. This construction is ideal for industries with stringent safety and purity demands.


Flexible Material and Size Options

Offered in WCB, CF8, CF8M, and WC6 constructions, the valve can withstand a broad spectrum of temperatures and media. Sizes from DN10 to DN600 mm are standard, and larger or smaller sizes can be customized to your project's precise needs. Whether your application requires high temperature endurance or strong corrosion resistance, an appropriate material option is available.


Efficient Flow Regulation and Automation

With an electric actuator, these globe valves deliver precise flow regulation and fast, reliable shut-off. The short-stroke design enables efficient operation and reduced wear, while the forced-sealed structure enhances safety. Automation streamlines system control, making the valve suitable for integration into complex or remote-controlled pipeline networks.