These stainless steel pipe end caps are manufactured from AISI 304/316 material, offering excellent corrosion and high-temperature resistance with a smooth, burr-free finish. Precision-stamped for dimensional accuracy, they ensure easy installation and superior sealing performance. They are widely used in architectural railings, food processing machinery, medical equipment, and marine piping systems. Available in a variety of specifications and surface finishes—with customization options—they provide durable, reliable protection for pipe ends.
The end cap is welded to the pipeline to form a fully enclosed structure, completely isolating the internal medium from the external environment and preventing microbial contamination or leakage. The large-radius, dead-zone-free internal cavity allows for CIP/SIP processing alongside the main pipeline; the cleaning medium flows without blind spots or fluid retention, eliminating the need for disassembly and ensuring both aseptic cleanliness and a durable seal for the entire piping system.
Body Material | AISI 304, AISI 316L |
Connection Type | Butt Weld, Tri-Clamp |
Working Temperature Range | Long-term working: -20℃~120℃; Short-term SIP tolerance: ≤140℃ |
Surface Treatment | Mirror polishing + electrolytic polishing + passivation treatment, surface roughness Ra≤0.4μm as standard |
Inner Cavity Type | Elliptical arc transition (standard), hemispherical/flat end (customizable) |
Certification | US 3-A, FDA 21 CFR 177.2600, CE, GMP compliant |
Nominal Diameter | DN10~DN150 (3/8"~6") |
One-piece cold-forged 316L stainless steel—corrosion-resistant, pressure-resistant, and aseptic
Mirror-finish electropolishing, Ra ≤ 0.4, no dead zones
Precision aseptic beveling; seamless, homogeneous fusion welding
Large-radius curved design eliminates dead zones, ensuring full CIP/SIP coverage
Fully closed-loop aseptic passivation protection
Stainless steel end caps are widely used for clean, pressure-rated storage tanks in industries such as food processing, pharmaceuticals, biotechnology, and personal care—including fermentation tanks, reaction vessels, storage tanks, and CIP (Clean-in-Place) systems.
Working Principles
Feature and Specification
Stainless Steel End Caps Specification Chart
Body Material | AISI 304, AISI 316L |
Connection Type | Butt Weld, Tri-Clamp |
Working Temperature Range | Long-term working: -20℃~120℃; Short-term SIP tolerance: ≤140℃ |
Surface Treatment | Mirror polishing + electrolytic polishing + passivation treatment, surface roughness Ra≤0.4μm as standard |
Inner Cavity Type | Elliptical arc transition (standard), hemispherical/flat end (customizable) |
Certification | US 3-A, FDA 21 CFR 177.2600, CE, GMP compliant |
Nominal Diameter | DN10~DN150 (3/8"~6") |
Feature
One-piece cold-forged 316L stainless steel—corrosion-resistant, pressure-resistant, and aseptic
Mirror-finish electropolishing, Ra ≤ 0.4, no dead zones
Precision aseptic beveling; seamless, homogeneous fusion welding
Large-radius curved design eliminates dead zones, ensuring full CIP/SIP coverage
Fully closed-loop aseptic passivation protection
Application
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