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 high-temperature steam bellows globe valve utilizes a fully metal bellows seal, capable of withstanding temperatures up to 600℃, with zero external leakage.
The extended stem bellows globe valve features an extended valve stem design, facilitating installation and operation in buried or elevated positions.
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