Forged steel bellows globe valves are made of high-quality forged steel, featuring high strength and excellent pressure and temperature resistance.
○ Structural form: straight-through type
○ Connection method: flange connection
○ Nominal diameter: DN15-DN50
○ Pressure rating: PN16-PN160
○ Valve body material: forged steel (A105, F22, F304, F316, F316L, etc.)
○ Bellows material: 304, 316L, Inconel 625, Hastelloy C-276
○ Valve seat sealing surface: overlay welding of Stellite alloy or body metal sealing
○ Operating temperature: -196°C to +600°C
○ Applicable medium: steam, high-temperature oil, toxic, flammable, explosive, and highly corrosive mediums
○ Leakage level: zero leakage, zero external leakage
○ Drive mode: handwheel, gear operation, pneumatic, electric
○ Design standards: API 602, BS 1873, ASME B16.34, GB/T 12224
○ Inspection and testing standards: API 598, ISO 5208
○ Metal bellows seal, achieving zero external leakage for environmental protection and safety
○ Forged steel valve body structure, excellent resistance to high pressure and high temperature
○ The valve disc is guided precisely, ensuring smooth opening and closing, as well as reliable and durable sealing
○ Suitable for harsh media, corrosion-resistant, erosion-resistant, and long-lasting
○ Meets the zero dispersion standard and satisfies the requirements of high-risk petrochemical working conditions
○ Cutoff control of high-temperature and high-pressure steam pipelines in petrochemical plants
○ Isolation and sealing application of toxic and hazardous media in chemical process
○ Key cutoff points with high sealing performance for long-distance natural gas pipelines
○ Leak-free process valves for clean systems in the pharmaceutical industry
○ Control of main steam and feedwater systems in power plants
○ Protection of liquefied petroleum gas (LPG) storage, transportation, loading, and unloading pipelines
○ Severe operating conditions in coal chemical synthesis gas and shift conversion sections
○ Safety shut-off at the feed inlet and outlet of fine chemical reactors
○ Zero leakage control of high-pressure hydrogen pipelines in the hydrogen energy industry chain
○ Reliable shutoff of high-temperature heat transfer oil system in thermal network
The extended stem bellows globe valve features an extended valve stem design, facilitating installation and operation in buried or elevated positions.
The extended stem bellows gate valve adopts a bellows sealing structure, effectively preventing medium leakage.
The high-temperature and high-pressure self-sealing bellows gate valve adopts a dual sealing design featuring a self-tight sealing structure and a metal bellows