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Teflex NP Black

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Teflex NP Black

A pure PTFE connector capable of running at both low and high temperatures, and can be used across the full pH scale.  Teflex NP Black also offers excellent surface resistivity - 106.

Compliant with:

PTFE is compliant with FDA 21 CFR 177.1550, 175.105 & 178.3297, (EC) 1935/2004, 10/2011.

Key features/uses:

  • Capable of running at very low (-73ºC/-99ºF) and very high temperatures (continuously operating at 300ºC / 572ºF with short-term surges at 316ºC / 600ºF)
  • Can be used on products across the full pH scale  i.e. caustic and acid products will not effect PTFE
  • Designed to dissipate electrical charge - 106
  • Food Grade - compliant with FDA & EU regulations

Note:  Teflex NP Black is not recommended for use in oscillating applications.  For vibrating applications, please discuss with your local BFM® Distributor.

Available Sizes:

Diameters: Ø150mm (6") through to Ø500mm (20") in 50mm (2") increments

Lengths:  80mm (3"), 100mm (4") then in 50mm (2") increments up to 1,000mm (39½")

Refer to the Quick Reference Limitations Summary for more information.

 

Download Teflex NP Black Product Spec Sheet

Also available:  Telfex NP Opaque - a semi-transparent version that allows some visibility of product flow.

BFM® fitting Teflex NP Black with support rings
BFM® fitting Teflex NP Black with support rings

Teflex NP connectors are now available with stainless steel support rings.

Support rings help to keep the connector walls open when they are being used under negative pressure, or are longer in length.

Vacuum pressure tends to suck the walls of the connector inwards, so the rings keep the connector open and allow product to flow. This is even more important the longer the connector gets.

As a general rule under vacuum, the maximum length of the BFM® connector should be no longer than its diameter without support rings. For example, a 100mm (4") diameter BFM® connector should be no more than 100mm (4") long. We recommend that if you have a connector 200mm (8") or longer being used under vacuum, support rings should definitely be considered.

For Teflex NP, the maximum number of rings (on a single connector) for Ø100 & 125mm is 6 and for Ø150mm - 500mm, it's 8.

Find out more about adding rings to your connectors.

Physical Properties

Fibre PTFE
Colour Black
Construction/Finish Multi-layer film
Weight 459 g/m2 / 13.5 oz/yd2
Thickness 0.23mm / 1/64”
Tensile Strength (kgf) 263 N/50mm  / 30 lbs/inch
Operating Temperature Range -73 - 300˚C / -99 - 572˚F
Max Surge Temp 316˚C / 600˚F
Air Permeability None
Surface Resistivity (Ohms) 106

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