BarbLock—The Ultra-Secure Retainer

BarbLock Retainers

BarbLock retainers are the most advanced design available for today’s demanding connective applications. When it comes to retaining flexible tubing and hose onto barbed fittings, BarbLock retainers are the only system with a full 360°radial crimp behind the barb and 360°of compression directly on the barb’s ridge.

BarbLock vs. Competing Retainer Systems

Single Retainer Inherent Leak Path Removed 360° Radial Crimp Behind the Barb 360° Compression Over Barb Ridge Integral ComponentDesign Engineered Composite Construction
BarbLock Yes Yes Yes Yes Yes
Cable Tie No No No No No
Hose Clamp No No No No No
Ear Clamp No No No No No

BarbLock Characteristics

BarbLock retainers have become the standard in many industries, including the biopharmaceutical, medical and laboratory markets, because they solve inherent leak path problems from sensitive and demanding applications. BarbLock retainers use no adhesives or solvents and are ideal for systems transferring delicate liquids or gases. The system is quick and easy to assemble saving valuable time.

BarbLock Features/Benefits

  • BarbLocks replace inconsistent and leak prone cable ties and traditional clamps
  • Full 360° radial crimp behind the barb
  • 360°compression directly on the barb’s ridge
  • BarbLock eliminates solvent bonding, ultraviolet bonding and toxic adhesives
  • BarlLocks are constructed with USP Class VI materials
  • Custom color and identification capabilities
  • BarbLocks are quick and easy to assemble
  • Dynamic retention and seal
Types of BarbLock Retainers
BarbLock Sizes and Compatability

Catalog Number * Hose/Tubing O.D.** in. (mm) Hose/Tubing I.D. in. (mm) Barbed Fitting in. (mm)
000 Series
BL135062-AL 3/16 (4.8) 1/16 (1.6) 1/16 (1.6)
BL135093-AL 7/32 (5.5) 3/32 (2.4) 3/32 (2.4)
125 Series
BL135125-AL 1/4 (6.4) 1/8 (3.2) 1/8 (3.2)
BL135125 1/4 (6.4) 1/8 (3.2) 1/8 (3.2)
187 Series
BL135187 5/16 (7.9) 3/16 (4.8) 3/16 (4.8)
250 Series
BL135250 3/8 (9.5) 1/4 (6.4) 1/4 (6.4)
BL135251-AL 7/16 (11.1) 1/4 (6.4) 1/4 (6.4)
BL135251 7/16 (11.1) 1/4 (6.4) 1/4 (6.4)
BL135252 1/2 (12.7) 1/4 (6.4) 1/4 (6.4)
375 Series
BL135374 9/16 (14.3) 3/8 (9.5) 3/8 (9.5)
BL135375 5/8 (15.9) 3/8 (9.5) 3/8 (9.5)
500 Series
BL135500 3/4 (19.0) 1/2 (12.7) 1/2 (12.7)
BL135501 3/4 (19.0) 1/2 (12.7) 1/2 (12.7)
625 Series
BL135625-AL 7/8 (22.2) 5/8 (15.9) 5/8 (15.9)
BL135625 7/8 (22.2) 5/8 (15.9) 5/8 (15.9)
750 Series
BL135750-AL 3/4 (19.0) 1-1/4 (31.75) 1-1/4 (31.75)

  • *When ordering high heat retainers add suffix PVDF to the part number: e.g., BL135500PVDF
  • **IMPORTANT NOTE: Hose/Tubing O.D. is the most important number when selecting a retainer size.

BarbLock Typical Applications

  • Biopharmaceutical transport systems
  • Flexible tubing and hose retainers
  • Disposable assemblies
  • Dialysis equipment
  • Quick connects

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