Aspirator stopcocks with glass or PTFE keys

With a 29/32 ground cone to fit the socket side-arms of the 1541/ and 1569/ ranges of Pyrex® aspirator bottles, these stopcocks are available with either a glass or Rotaflo® General Purpose PTFE key.

  • For use with Aspirator bottles 1541: and 1569:
  • Type 1568/04M with Rotaflo PTFE key which is chemically inert and requires no lubrication
  • Type 1571/02M with traditional glass key

Product Specification

Grouped product items
Item Code Cone size Overall length mm Stopcock bore mm Pack quantity
1568/04M 29/32 53 3.0 1
1571/02M 29/32 95 4.0 1

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