15702 Tuyau en plastique Polyéthylène/aluminium, de 0,250 pouce OD x 0,04 Wall

Aperçu

Le #15702 est un tuyau de 1/4 de pouce Synflex 1300 OD tube qui a une enveloppe en polyéthylène haute densité (HDPE), renforcé d'un ruban d'aluminium et d'une doublure en copolymère d'éthylène. L'aluminium limite la diffusion des gaz à travers la paroi du tube, ce qui en fait la meilleure option pour délivrer de l'air à partir d'un échantillon à un analyseur de gaz.

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FAQ

Nombre de FAQ au sujet de(s) 15702: 7

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  1. Does the tubing for an AP200 have to be bought from Campbell Scientific?

    No. The tubing can be purchased from another vendor. When making a purchase, remember that Campbell Scientific recommends Synflex 1300, ¼ in. outer diameter (OD) tubing for the AP200.

  2. What is the recommended tubing for an AP200?

    Campbell Scientific recommends Synflex 1300 (pn 15702, Raw Plastic Tubing .250 in. OD). This tubing has a durable polyethylene jacket and an aluminum wrap to limit diffusion through the wall. The aluminum layer also makes this tubing easier to work with, as it does not tend to spring back into a coiled shape as much as other tubing types.

  3. Can Campbell Scientific assemble the fittings onto the tubes?

    It is easy to learn how to cut tubing to length and swage the fittings. However, if it is preferred, order tubing assemblies cut to a specified length using pn 21823-L, Calibration Gas Tubing Assembly.

  4. Can standard polyethylene tubing be used for an AP200?

    Campbell Scientific recommends the durable polyethylene jacket and aluminum wrap of the Synflex 1300, ¼ in. outer diameter (OD) tubing (pn 15702).

    Standard polyethylene tubing, in contrast, does not have the aluminum layer and, consequently, allows some diffusion through the wall. Standard polyethylene tubing is also harder to work with. The best alternative is to use black polyethylene for UV resistance and to specify a ¼ in. OD with a 0.040 in. wall thickness.

  5. Why are inserts recommended for the tubing?
    The inserts prevent the tubing from collapsing as the ferrules are swaged onto the tubing. Although it is possible to make a leak-tight connection without an insert, the insert provides added protection against leaks. This is particularly true for tubes at negative pressure and for repeated tubing disconnect/connect cycles.
  6. Why will the tubing not go into the ¼ in. fitting on a regulator?

    Make sure the fitting is a ¼ in. Swagelok. It is possible that it is 6 mm instead. Metric fittings can be identified by the groove on the hex body of the fitting. If the fitting is 6 mm, replace the fitting on the regulator with a ¼ in. Swagelok, or use an adapter fitting.

  7. How are Swagelok tubing connections made?

    Refer to the Swagelok appendix in the AP200 or CPEC200 instruction manual.

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