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DIN 11864-1 Form A Compliance – Manufactured strictly according to German aseptic fitting standards, ensuring interchangeability and compatibility with existing systems
Dead-Space-Free Sealing – Precision O-ring groove design eliminates crevices where product residues could accumulate, minimizing contamination risk
316L Stainless Steel Construction (1.4404) – Offers exceptional corrosion resistance and durability for demanding sterile applications
Orbital Welding Ready – Extended welding ends enable seamless integration into stainless steel piping systems
Precision Surface Finish – Available in hygiene classes H3 (Ra ≤ 0.8 µm) and H4 (Ra ≤ 0.4 µm) for superior cleanability
Multiple O-Ring Material Options – Compatible with Viton, NBR, silicone, EPDM, Gylon, and PTFE O-rings to suit diverse process media
Wide Size Range – Available from DN10 to DN100 (10mm to 100mm)
Maximum Sterility Assurance – Dead-space-free design prevents microbial growth and ensures product integrity in critical aseptic processes
Superior Cleanability – Precision surface finishes support effective CIP (Clean-In-Place) and SIP (Sterilize-In-Place) procedures
Reliable Leak-Proof Seal – O-ring sealing system provides secure, leak-free connections even under demanding process conditions
Long Service Life – High-grade 316L stainless steel construction ensures durability and performance through repeated sterilization cycles
Flexible Installation – Compatible with both orbital and manual welding methods, offering versatility for different fabrication requirements
Industry Proven – Developed specifically for the food, chemical, and pharmaceutical industries to meet their exacting hygienic requirements
The DIN 11864 Aseptic Union Liner Series A operates as part of a three-component screwed connection system:
Assembly – The liner is welded to the pipe end (orbital or manual welding), while the corresponding male part is welded to the opposing pipe end
Sealing – An O-ring is placed in the precision-turned groove on the liner face, creating a dead-space-free seal when the two components are brought together
Securing – A union nut is threaded over the connection, compressing the O-ring to form a secure, leak-proof, hygienic seal
Sterile Flow Path – The assembled connection provides a smooth, crevice-free interior that prevents product residue accumulation and maintains sterility
Maintenance Access – The screwed design allows for easy disassembly for inspection, maintenance, or seal replacement
This design delivers a detachable yet highly reliable aseptic connection, combining the security of a permanent weld with the flexibility of a serviceable joint.
Certified Quality – All our DIN 11864 Aseptic Union Liners are 3A Sanitary Standards certified and CE certified, manufactured under an ISO 9001 quality management system. Material test reports are supplied with every order
Premium Materials – We use only high-grade 316L stainless steel (1.4404), offering superior corrosion resistance, weldability, and longevity
Precision Manufacturing – Every liner features precision-turned sealing surfaces with surface roughness meeting the highest hygienic standards (Ra < 0.8 µm)
Comprehensive Size Range – From DN10 to DN100, we offer the full spectrum of sizes to meet your specific requirements
Multiple Seal Options – We supply O-rings in Viton, NBR, silicone, EPDM, Gylon, and PTFE to suit your specific process media and temperature requirements
