Borosilicate glass and PTFE pathway

Manufactured from Pyrex® borosilicate glass with PTFE keys, these stopcocks have excellent chemical resistance.

  • Manufactured from borosilicate glass with PTFE keys for highest resistance to chemical attack
  • Barrels are highly polished and the keys are self lubricating, avoiding the need for stopcock grease
  • Keys are fully interchangeable and supplied complete with plastic screw thread retaining device
  • Made to a taper of 1:10 giving a combination of performance and ease of operation

Product Specification

Grouped product items
Item Code Key bore mm Sidearm OD mm Sidearm wall thickness mm Stopcock Diameter mm Top diameter mm Pack quantity
SST3025 2.5 9 1.5 14.5 14 5
SST304 4.0 10 1.5 18.8 18 5

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