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 Features
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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.
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Single Barb Fitting
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Other
Barb Fitting |
Clamp placement on a single barb fitting.
Clamp positioning in the recess behind the barb allows for tubing compression anterior to the barb and results in a secure seal with without excessive clamp pressure |
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Clamp placement on a Multiple barb fitting.
Clamp can only be placed over barb. In general, much more clamp pressure is required to secure a seal than that necessary with a single barb fitting |
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.
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Multiple Barb Fitting - Clamp Dynamics |
1. Clamping on a barb's outer radius, in an attempt to force the
tube down behind the barbs can cause damage. The sharp edges
of the barbs become rounded resulting in less bite into the tubing.
2. Clamping pressure causes the tube to flare out behind the clamp
and barbs located behind the clamp will have little or no effect.
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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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Customer Reviews
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Product reviews on NCIX.com are screened for relevance and inappropriate
content. Reviews may contain inaccurate information about the product.
If there is a discrepancy, please use the Flag this Review link
located beside each review. Reviews are not an endorsement expressed by
NCIX.com, but opinions from customers based on their own experience with
a product. We do not recommend you make purchasing decisions based on facts or opinions expressed in these reviews.
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Sales Policy
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All pricing subject to change. For all prices,
products and offers, NCIX.com reserves the right to make adjustments
due to changing market conditions, product discontinuation, manufacturer
price changes, errors in advertisements and other extenuating
circumstances. Promotional offers from NCIX.com are subject to
availability and are available only while supplies last. No rain
checks will be issued on promotional items and offers.
While NCIX.com uses all reasonable efforts
to include accurate and up-to-date information on the Site, NCIX.com
makes no warranties or representations as to the Site's accuracy.
NCIX.com assumes no liability or responsibility for any errors
or omissions in the content on the Site.
NCIX.com warrants product(s) to be in good
working condition and free from defects in material and workmanship
for a period of one (1) year for OEM packages, and for thirty
(30) days for RETAIL packages, from the original Invoice date
unless otherwise restricted below or by the manufacturer's own
warranty policy. Defective returns and warranty service will be
replaced, exchanged or repaired at NCIX.com's sole discretion,
and based on vendor's policy.
NON-DEFECTIVE merchandise returns may be
accepted on some items ONLY within 15 days of the Invoice date,
at NCIX.com's discretion. All NON-DEFECTIVE returns are subject
to a 15% restocking fee. No refunds will be issued for blank media,
digital cameras (and accessories), opened software, printers,
printer supplies, paper, projectors (and accessories), appliances,
handhelds, PDAs, notebook computers, special order computers and
special order items.
Defective software, video games or DVDs
will be replaced by the SAME title and format ONLY (and subject
to current availability) within 30 days of the Invoice date. Software,
video games and DVDs may be returned within 30 days only if the
item is UNOPENED (with shrink wrap still intact) at the sole discretion
of NCIX.com.
NCIX.com does NOT apply a surcharge
to credit card orders. Please read our RMA
& warranty policy and terms
& conditions for more information. If you have
any questions regarding our sales and warranty policies, please
send us a message -- we'll be glad to answer any of your questions.
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Product Warranty
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First 30 days limited warranty through NCIX.com. The remainder of the one year warranty is provided directly by the manufacturer.
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