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Blank Liner RJT-14B

The RJT-14B Blank Liner is a high-quality sanitary blind liner / blank cap designed to terminate or seal off the end of a piping system within an RJT (Ring Joint Type) union connection. Manufactured in compliance with BS 4825 Part 5 – the British Standard for hygienic threaded pipe couplings – this fitting serves as a cover to block flow and provides a hygienic, leak-proof seal. Also referred to as an RJT Blind Liner or RJT Blank Cap, this component is essential for sealing unused lines, ports, or terminations in hygienic process systems – maintaining sanitary integrity and preventing contamination or ingress of foreign material.
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Key Features

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

  • BS 4825 Part 5 Compliance – Manufactured to British Standard BS 4825 Part 5 for Ring Joint Type hygienic couplings, ensuring interchangeability and compatibility

  • RJT Union Compatibility – Designed to work seamlessly with RJT-13 nuts, RJT-15 male parts, and RJT gaskets/O-ring seals

  • O-Ring Seal Design – When assembled with an RJT male part, the O-ring is compressed uniformly, creating a highly effective, near-flawless seal

  • High Corrosion Resistance – Manufactured from 316L stainless steel for exceptional resistance to corrosion, process media, and cleaning agents

  • High-Temperature Performance – Suitable for applications requiring resistance to elevated temperatures

  • CIP/SIP Compatible – Supports Clean-In-Place and Steam-In-Place procedures for hygienic maintenance

  • Smooth Surface Finish – Internal surface roughness does not exceed Ra ≤ 0.8 μm, meeting hygienic standards

  • Wide Size Range – Available from 1" to 4" to suit diverse system requirements

Key Advantages

  • Superior Sealing Performance – The O-ring seal provides a better seal than flat gaskets, especially in applications involving vacuum or pressure

  • Hygienic Integrity – Blind liner design prevents contamination and ingress of foreign material into the process system

  • Easy Integration – Standard BS 4825 Part 5 design ensures seamless compatibility with existing RJT sanitary union systems

  • Robust Construction – 316L stainless steel and precision machining ensure exceptional durability under repeated sanitization cycles

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

  • Full Material Traceability – Each fitting comes with material test reports and full traceability for audit compliance

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

How It Works

The RJT-14B Blank Liner operates as a sealing component within an RJT (Ring Joint Type) sanitary union system:

  1. Union System Integration – A complete RJT union consists of four components: RJT-13 (Nut), RJT-14 (Liner/Welding Liner), RJT-15 (Male Part), and RJT-16 (Blank Liner)

  2. Positioning – The blank liner (RJT-14B) is placed at the end of a piping run or unused port, serving as a termination point

  3. O-Ring Sealing – An O-ring gasket sits securely within the groove of the RJT male part; the blank liner's smooth face mates with the male part

  4. Nut Securing – The RJT-13 hexagonal nut is tightened with a spanner, compressing the O-ring uniformly to form a highly effective, near-flawless 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 robust, durable, and reliable seal – the hexagonal nut allows for higher tightening forces, making the connection extremely stable and highly resistant to vibration and mechanical stress.

Why Choose Us

  • Certified Quality – All our RJT-14B Blank Liners are 3A Sanitary Standards certified, meeting the highest industry requirements for sanitary fittings. We also hold CE certification and ISO 9001 quality management system certification, ensuring consistent product excellence

  • Premium Materials – We use only high-grade 316L stainless steel, offering exceptional corrosion resistance, high-temperature performance, and longevity

  • BS 4825 Part 5 Compliance – Our fittings are manufactured to British Standard BS 4825 Part 5, ensuring full compatibility with RJT sanitary union systems

  • Precision Engineering – Every blank liner is machined or pressed to tight tolerances with smooth surface finishes (Ra ≤ 0.8 μm) to meet hygienic standards

  • Stringent Quality Control – Each fitting undergoes dimensional inspection, surface finish testing, and material verification to ensure 100% compliance

  • Extensive Size Range – From 1" to 4" , we offer a full range to meet your termination and isolation needs-31

  • Full Traceability – Every fitting is supplied with material test reports and traceable documentation for audit compliance-4

  • Competitive Pricing – Direct manufacturing capabilities allow us to offer factory-direct pricing without compromising quality

  • Expert Support – Our team of sanitary fitting specialists provides technical guidance on O-ring selection, installation procedures, and system integration

  • Reliable Supply Chain – Consistent inventory and fast shipping ensure your projects stay on schedule

Conform to Swedish Milk Standards, or SMS
For Pipe acc. to SMS3008, ISO 2037
Max.Pressure: PN10
Max. Temperature: 250° F, except hose fittings are unrated.
Available with WAZ 3.1 in accordance with EN 10204

RJT-14B blank liner dimensions stainless steel sanitary 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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