> > > PrimoChill Polypropylene 3/8IN OD Barb to Barb Straight Coupler (2 Pack) (25040AC1920)

PrimoChill Polypropylene 3/8IN OD Barb to Barb Straight Coupler (2 Pack)

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Availability:

In Stock

Usually ships in 2 to 3 business days.
Details:

Shipping Weight: 0.2 lbs

SKU #:(25040AC1920)

Mft. Part #: F-B38

Our Single Barb Fittings Features and Clamp Dynamics
The threads are molded in precision-ground cavities resulting in perfectly matched threads at the parting line. This produces the cleanest, most accurate molded thread possible.

Why our fittings are better.
Our single-barbed fittings are designed so the mold parting  line stops at the base of the barb. The ridge and the barb's conical  surface are free of the molded-in leak path present in multiple barb  fittings. The conical surface is glass-like and smooth allowing excellent sealing. 

The straight barb shaft provides space for the hose to relax behind the barb causing the clamp to work like a drawstring. This forces the hose diameter to become smaller than the flare of the fitting's barb. If the tubing swells from internal pressure (near burst), the clamp will be pulled up tight to the back of the barb and a tight seal will be maintained.

Why multiple barb fittings fail
Mismatches often occur with poor quality or worn tooling, causing misaligned threads and barbs that result in leakage. With multiple barb fitting designs, it is virtually impossible to avoid creating parting lines on the barb surface. These parting lines create leak paths which become more pronounced as the mold tooling wears.

Multiple barbs are typically in close succession. This prevents the tubing from relaxing to its original size, which   is essential to the barb's performance. If the tubing does not relax behind the barb, the barb is rendered useless, as shown above. (Note the bridging effect.)

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