One-Piece Torispherical Heads Suitable for Biopharmaceutical Equipment with Internal Polishing 0.4μm and External Polishing 0.8μm

As a leading enterprise in China's precision pressure vessel component sector, Henan Guojiang boasts over 12 years of expertise in the R&D, production, and customisation of one-piece torispherical heads. Our products are exported to more than 10 countries globally, meeting the stringent quality requirements of the biopharmaceutical industry and delivering dependable core component solutions for biopharmaceutical equipment.

• Inner Diameter: 60mm-10000mm (customisable) - Suitable for bioreactors, pharmaceutical storage tanks, and other biopharmaceutical equipment
• Nominal Thickness: 1mm-300mm (customisable) - Optimised for working pressure range of 0.1MPa-50MPa, compatible with biopharmaceutical media
• Material: 316L stainless steel - Each batch is accompanied by a complete Material Test Certificate (MTC)
• Material Composition: 16%-18% chromium, 10%-14% nickel, 2%-3% molybdenum - Ensuring superior corrosion resistance and biocompatibility
• Polishing Standard: Internal polishing 0.4μm, external polishing 0.8μm - Meeting biopharmaceutical hygiene and surface finish requirements

Crafted through cold forming technology to preserve the inherent ductility and weldability of 316L stainless steel. Advanced hydraulic forming equipment guarantees compliance with GB/T 25198 and ASME standards, achieving ultra-smooth, uniform surfaces without local stress concentration, and ensuring polishing precision meets technical specifications.

• Inspection Process: 100% full inspection, including ultrasonic testing (UT), penetrant testing (PT), 3D laser scanning, and surface roughness detection
• Compliance Standards: GB/T 25198-2023, ASME BPVC Section VIII Division 1, PED 2014/68/EU directives
• Certifications: ISO 9001:2015, ISO 14001:2015, ASME "U" Stamp approval

Specifically engineered for biopharmaceutical equipment, applicable to:

• Raw material and finished product storage tanks in biopharmaceutical production
• Head components of bioreactors and mixing tanks
• Core components of precision biopharmaceutical processing equipment

• Export-grade fumigated wooden cases for single-unit precision packaging
• Steel pallets with a load capacity of ≥500kg for bulk orders

• Inner diameter customisation: 60mm-10000mm
• Thickness customisation: 1mm-300mm
• Free finite element analysis (FEA) stress calculation
• 2D/3D drawing design services
• Sample service with 18 working day delivery cycle

• Precise Polishing: Internal 0.4μm and external 0.8μm polishing meet strict biopharmaceutical hygiene standards, preventing medium contamination
• Corrosion & Biocompatibility: 316L stainless steel material with excellent corrosion resistance, adapting to various biopharmaceutical media
• Stable Structure: Customisable size and thickness ensure uniform stress distribution, matching biopharmaceutical equipment operating conditions
• Cost-Effective: Optimised design balances high performance, hygiene requirements, and procurement costs

From raw material selection to finished product delivery, Henan Guojiang adheres to rigorous quality control. This one-piece torispherical head with professional polishing specifications provides stable performance and reliable quality, enhancing operational safety and production efficiency for biopharmaceutical equipment.