Closures

Type “V” - ventilated

The ventilated version of type “S” with integrated PTFE non-woven fabric. Suitable for the transportation of hydrogen peroxide.

  • Dip tube article number ending: “V”
  • A dust protection cap is supplied with QC2 dip tubes with “V” seal
  • Other materials and o-rings on request.
  • Tightening torque: closure type “S” and “V” generally 5-6 Nm
  • In case of questions about transport approvals for the different dip tubes and dip tube closures, please contact our technical sales department.
Product line
Size
MaterialSealDust protection cap
Item no.
QC2
M2-Series
3/4"HDPELDPEIncluded



POEIncluded



PVDFLDPE
Included




POE
Included

G-Series1"HDPELDPENot available




POE
Not available

check resistance

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Type “S” - closed

The most widespread dip tube closure in the form of a 3/4” or 1” stopper. Dip tube article number ending: “S” A dust protection cap is supplied with QC2 dip tubes with “S” closure...
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Type “T” - closed

The alternative to type “S” if a tamper proof closure needs to be attached

Versions for QC3, QC3, M2-Series

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Type “W” - ventilated

The ventilated version of type “T” with integrated PTFE non-woven fabric. Suitable for the transportation of hydrogen peroxide.

Versions for QC2, M2-Series

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Type “SU” - double closure

The “SU” type offers double protection during transportation. The closure is screwed into the dip tube in addition to the “S” closure.

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Dip tube closure with pressure relief valve

Manual pressure relief valves allow a controlled compensation of the pressure inside the container.

  • Opens automatically in the event of negative pressure
  • Opens manually in the event of excess pressure
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Tamper proof closures

To make sure that the container is not opened or otherwise manipulated during transportation, dip tubes can be equipped with tamper proof closures.
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