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Blank Liner DIN-14B

The DIN Blank Liner DIN-14B is a high-quality sanitary blind liner designed to terminate or seal off the end of a piping system within a DIN 11851 sanitary union connection. As part of the standardized DIN fitting system, the DIN-14B serves as a blank/end cap that effectively blocks flow and provides a hygienic, leak-proof seal. Commonly referred to as a DIN Blind Liner or Blank End Cap, this fitting is essential for permanent installations where process piping and equipment require CIP (Clean-In-Place) and SIP (Sterilize-In-Place) capabilities
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Key Features

  • Flow Termination – Effectively seals off the end of a piping system, preventing fluid flow and maintaining system integrity

  • DIN 11851 Standard Compliance – Manufactured to DIN 11851 sanitary union standards, ensuring compatibility with DIN-13 nuts, DIN-15 males, and other DIN series components

  • Hygienic Crevice-Free Design – Smooth interior and exterior surfaces minimize bacterial growth and ensure sanitary integrity

  • High Corrosion Resistance – Constructed from premium 304 and 316L stainless steel for long-lasting durability in demanding environments

  • CIP/SIP Compatible – Designed to support Clean-In-Place and Sterilize-In-Place procedures with no dead zones

  • Wide Size Range – Available from DN10 to DN150 to suit diverse system requirements

  • Precision Engineered – Uniform wall thickness and strict dimensional control ensure reliable performance

Key Advantages

  • Effective System Isolation – Provides a reliable seal to isolate sections of piping for maintenance, cleaning, or system modifications

  • Hygienic Operation – Crevice-free design and smooth surface finish meet GMP/HACCP standards, making it suitable for sterile piping systems

  • Easy Integration – Standard DIN 11851 design ensures seamless compatibility with existing DIN sanitary union systems

  • Long Service Life – Stainless steel construction with 3A certification ensures superior durability under repeated sanitization cycles

  • Versatile Applications – Suitable for food processing, beverage production, pharmaceutical manufacturing, biotech, dairy, cosmetics, and semiconductor industries

  • Maintenance-Friendly – Supports CIP and SIP cleaning without requiring removal from the system

How It Works

The DIN Blank Liner DIN-14B operates as a sealing component within a DIN 11851 sanitary union system:

  1. Union System Integration – The DIN system consists of four key components: DIN-13 (Nut), DIN-14 (Liner/Welding Liner), DIN-15 (Male), and DIN-16 (Blank)

  2. Connection – The blank liner (DIN-14B) is installed at the end of a piping run, serving as a termination point

  3. Sealing – A DIN-style gasket (D-shaped profile) is placed between the blank liner and the mating fitting, creating a hygienic, leak-proof seal

  4. Securing – The DIN-13 nut is threaded over the connection, compressing the gasket to form a pressure-tight seal

  5. Flow Blocking – The blank liner effectively blocks fluid flow, isolating the piping section for cleaning, maintenance, or system modification

This design provides a permanent yet serviceable seal, combining the reliability of a welded connection with the flexibility of a removable fitting.

For Use With: Air, Beverage, Dairy, Beer, Food, Pharmaceuticals, Water
DIN EN 10357 fittings
DIN11850/DIN11851/DIN11852 fittings
DIN32676 fittings
For Pipe acc. to DIN EN 10375
Max.Pressure: PN10
Max. Temperature: 250° F, except hose fittings are unrated.
Available with WAZ 3.1 in accordance with EN 10204

DIN-14B blank liner dimensions stainless steel sanitary blind fitting

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CONTACT INFORMATION

If you have any questions or need help, feel free to contact with our team. We are available 24/7 by fax, 
e-mail or by phone. 
   valve@wzststeel.com
   +86-15858536788/+-86-577-86896059
  Binhai Industry Zone, Wenzhou, Zhejiang, China

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