Proglass Valve, High Vacuum, Teflon Protected, 90° Metering,0~4mm

Description

0-4mm
Three way adapter
Made of borosilicate glass
Made by hand blowing
Description:
Viton  O-ring on PTFE shaft are protected with precision Teflon wipers.The plug has a machined-in integral PTFE tip O-ring to make the primary seal.
This design provides for an excellent vacuum tight seal without exposing any material other than Teflon to chemicals.
The glass portion has two sidearms sealed to the barrel at a 90°angle to one another.0-4mm high vacuum valve 90°（Teflon covered O-rings）
We are the brand lab glassware,not the Poor quality glass,We could do any lab glassware accord to your samples or the drawings.if you need any glassware,please contact with us by the Ebay message.