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Bellow seal valve manufacturers specialize in producing valves designed to prevent leakage, particularly in applications that involve toxic, corrosive, or hazardous fluids. These valves are equipped with a metallic bellow that acts as a barrier between the fluid and the external environment, ensuring zero emissions and enhancing operational safety. Manufacturers of bellow seal valves offer a wide range of valve types, including globe valves, gate valves, and control valves, tailored to industries such as petrochemical, chemical processing, oil and gas, power generation, and pharmaceuticals.



These manufacturers use high-quality materials such as stainless steel, carbon steel, and exotic alloys like Hastelloy and Inconel to ensure durability and corrosion resistance. Bellow seal valves are designed to comply with strict industry standards, including API, ASME, and ISO certifications, ensuring their reliability in demanding environments. The valves are also engineered to withstand extreme temperatures and pressures, providing long service life and reduced maintenance costs.



In addition to offering standard designs, bellow seal valve manufacturers also provide custom solutions to meet specific application needs. Many manufacturers invest in advanced technology, including CNC machining and automated testing, to produce precision-engineered valves with tight shutoff capabilities. As environmental regulations become stricter, the demand for bellow seal valves continues to grow, positioning manufacturers to meet the increasing need for emission-free and safe valve solutions across various sectors.


Parameter Specification
Valve Types Globe Valves, Gate Valves, Control Valves
Size Range 1/2" to 24" (varies by valve type)
Pressure Rating Up to 2500 PSI (varies by valve type and application)
Temperature Range -196°C to +600°C (depending on materials)
Body Materials Carbon Steel, Stainless Steel, Alloy Steel, Hastelloy, Inconel
Bellow Materials Stainless Steel, Inconel, Hastelloy, Monel
End Connections Flanged (ASME, DIN, EN), Threaded, Socket Weld, Butt Weld
Seal Materials PTFE, Graphite, Viton, EPDM, Nitrile
Actuation Options Manual (Handwheel), Pneumatic, Electric, Hydraulic
Leakage Class Class VI (Bubble-tight), Class IV (Metal-seated), per API 598
Design Standards API 602, API 607, ASME B16.34, ISO 15848, BS 5352
Fire-Safe Design Available (API 607, API 6FA compliance)
Stem Sealing Multi-layered metal bellows, PTFE or graphite packing for secondary sealing
Emissions Zero emissions (ISO 15848 compliant)
Applications Petrochemical, Oil & Gas, Chemical Processing, Power Generation, Pharmaceuticals
Certifications ISO 9001, CE Marking, ATEX Certification, SIL Rating
Custom Solutions Available for specific industry applications and operational conditions



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