Equipment and Instruments

PRODURAN® Straight Valve Stopcock

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Please note: For an official quote with updated pricing and availability in PDF, please add your items and quantities to your quote and submit.


Product CodeBore – mm
28-605-5800 – 2.5
28-605-6000 – 4
28-605-6200 – 6
28-605-6400 – 10

Additional information


0 – 2.5, 0 – 4, 0 – 6, 0 – 10


Manufactured from borosilicate glass 3.3
Globe valve with spindle (PTFE) and integrated fine thread enables very fine adjustment of the valve opening
Media flowing through the valve only come into contact with DURAN® glass and PTFE.
Grease-free working
Handy design of the valve allows easy disassembly
The unscrewing protection prevents absolute unscrewing of the valve pin.
Valve pin adjustable to increase the service life of the valve tap
Glass articles for further processing

Images provided are for illustration purposes only and actual products might differ slightly. All CC Imelmann product information is obtained directly from our suppliers. We cannot be held responsible for any errors or omissions (E&OE).

If you would like to confirm details on any product, please pop us an email.

“Prices are subject to change” For fixed prices and availability, please submit a “Quote Request”

Lead times:

  • Ex-stock: Goods are available at our warehouse. Subject to prior sale
  • Ex-import: 6 – 8 weeks from date of an official order. For a shorter delivery time, please contact us.
  • Special manufacturing: eg. glassblowing; 6 – 8 weeks
  • Special non-stock: 6 – 8 weeks


*Lead times are given in good faith but availability is always subject to prior sale.

*For our cancellation and returns policy, please refer to our Terms & Conditions.