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ON SALE: BarbLock Ultra-Secure Retainers

The BarbLock® retainer offers a superior solution for securing flexible tubing and hose to barbed fittings, especially in critical fluid transfer applications. This retainer uniquely features a 360° radial crimp behind the barb and 360° compression over the barb's ridge, effectively addressing common leak issues. Made from high-performance polypropylene and PVDF resins, BarbLock retainers meet USP Class VI standards and don't require adhesives or solvents, making them ideal for sensitive liquid and gas systems. They are compatible with Pure-Fit® SIB® fittings, ensuring leak-free connections, and are gamma stable, supporting various sterilization methods.

Quantity 1 = 250 pieces

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BarbLock Ultra-Secure Retainers

BarbLock® Ultra-Secure Retainers are designed to enhance connection security in biopharmaceutical fluid handling. They ensure a leak-proof and disconnection-resistant seal by tightly securing flexible tubing to barbed fittings, offering superior performance over traditional clamps. Their innovative design guarantees a reliable and robust connection, critical in maintaining product integrity in sensitive applications.

Made from USP Class VI compliant materials, these retainers are suited for a broad range of tubing types, ensuring versatility across various biopharmaceutical processes. Their use minimizes contamination risks, preserving the purity of fluid paths in critical environments such as vaccine production and IV solutions.

Ease of installation sets BarbLock® retainers apart, allowing for quick and tool-free setup, significantly reducing process downtime. This user-friendly feature, combined with their proven effectiveness in securing connections, makes them a preferred choice for ensuring process integrity and quality in the biopharmaceutical sector.


  • Replaces inconsistent and leak-prone cable ties and traditional clamps
  • Compatible with all flexible tubing materials
  • Provides 360˚ radial crimp behind the barb
  • Supplies 360˚ compression over the barb and full dynamic retention
  • Eliminates solvent bonding, ultraviolet bonding and toxic adhesives
  • Constructed with USP Class VI materials
  • Quick and easy to assemble


  • Biopharmaceutical transport systems
  • Flexible tubing and hose retainers
  • Disposable assemblies
  • Medical equipment and apparatus
  • Quick connects
Item #Product nameSize ASize CSeries
BL135040-ALBarbLock® AL0.385 in0.520 in040 Series
BL135045-ALBarbLock® AL0.385 in0.520 in045 Series
BL135062-ALBarbLock® AL0.385 in0.520 in062 Series
BL135093-ALBarbLock® AL0.385 in0.520 in093 Series
BL1351.00-ALBarbLock® AL2.025 in2.870 in1.00 Series
BL1351.10-ALBarbLock® AL2.025 in2.875 in1.10 Series
BL135110-ALBarbLock® AL0.465 in0.675 in110 Series
BL135125-ALBarbLock® AL0.465 in0.695 in125 Series
BL135186-ALBarbLock® AL0.515 in0.845 in186 Series
BL135187-ALBarbLock® AL0.545 in0.845 in187 Series
BL135250-ALBarbLock® AL0.695 in1.050 in250 Series
BL135251-ALBarbLock® AL0.765 in1.055 in251 Series
BL135252-ALBarbLock® AL0.770 in1.182 in252 Series
BL135375-ALBarbLock® AL0.945 in1.525 in375 Series
BL135500-ALBarbLock® AL1.11 in1.815 in500 Series
BL135501-ALBarbLock® AL1.1 in1.815 in501Series
BL135625-ALBarbLock® AL1.405 in2.370 in625 Series
BL135750-ALBarbLock® AL1.625 in2.85 in750 Series
BL135751-ALBarbLock® AL1.625 in2.860 in751 Series
BL135752-ALBarbLock® AL1.625 in2.860 in752 Series
BL253ALHC-4RBarbLock® AL0.695 in1.050 in253 Series
BL254ALLRR-4YBarbLock® AL0.695 in1.050 in254 Series
BL377ALLRR-4YBarbLock® AL0.935 in1.525 in377 Series
BL505AL-4GBarbLock® AL1.1 in1.805 in505 Series
BL506ALLRR-4YBarbLock® AL1.1 in1.810 in506 Series
BL135125-CBarbLock® Retainers – Collet
BL135187-CBarbLock® Retainers – Collet
BL135250-CBarbLock® Retainers – Collet
BL135251-CBarbLock® Retainers – Collet
BL135252-CBarbLock® Retainers – Collet
BL135374-CBarbLock® Retainers – Collet
BL135375-CBarbLock® Retainers – Collet
BL135376-CBarbLock® Retainers – Collet
BL135500-CBarbLock® Retainers – Collet
BL135501-CBarbLock® Retainers – Collet
BL135502-CBarbLock® Retainers – Collet
BL135503-CBarbLock® Retainers – Collet
BL135125-SBarbLock® Retainers – Sleeve
BL135187-SBarbLock® Retainers – Sleeve
BL135250-SBarbLock® Retainers – Sleeve
BL135251-SBarbLock® Retainers – Sleeve
BL135252-SBarbLock® Retainers – Sleeve
BL135374-SBarbLock® Retainers – Sleeve
BL135375-SBarbLock® Retainers – Sleeve
BL135376-SBarbLock® Retainers – Sleeve
BL135500-SBarbLock® Retainers – Sleeve
BL135501-SBarbLock® Retainers – Sleeve
BL135502-SBarbLock® Retainers – Sleeve
BL135503-SBarbLock® Retainers – Sleeve
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At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being ISO 9001:2015 QMS Certified by Orion Registrar, Inc, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance.

img ‰ files/ISO_9001_Quality_Management_System_Certified.png ¶ url ‰ iso-certificate ¶ cta ‰ View Certificate ¶ txt ‰ At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being ISO 9001:2015 QMS Certified by Orion Registrar, Inc, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance. ¶
Testimonial from Process Development Manager

"Thanks so much! What a quick turn around. It is a pleasure working with Liquidyne."

Process Development Manager

Testimonial from Vice President, Analytical Development and Manufacturing

"I received the cart yesterday, thanks for the fast delivery! It feels sturdy. I sat on it. It does not bounce. It is also easy to clean and wipe or wash down."

Vice President, Analytical Development and Manufacturing

Testimonial from Chemical Engineer

"Thanks again for reacting so quickly and meeting me halfway with the element. We will be able to get installed and have things keep moving overnight with the night crew. The little things like this are always greatly appreciated when working with Liquidyne."

Chemical Engineer

Testimonial from VP Antibody Manufacturing

“This pump cut our processing time from 3 days to 1 shift. I’m not giving this pump back. You will have to come and get it if you want it... and that won’t likely happen.”

VP Antibody Manufacturing

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