PYREX® Aspirator stopcocks with ground cone
- 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
Products

| Catalog No | Stopcock Bore Diameter (mm) | Cone (NS) | Overall Height (mm) | Quantity | |
|---|---|---|---|---|---|
| 1568/04M | - | 29/32 | - | 1 | Find a distributor |
| 1571/02M | - | 29/32 | - | 1 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
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.
Products
Products

| Catalog No | Stopcock Bore Diameter (mm) | Cone (NS) | Overall Height (mm) | Quantity | |
|---|---|---|---|---|---|
| 1568/04M | - | 29/32 | - | 1 | Find a distributor |
| 1571/02M | - | 29/32 | - | 1 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
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.
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