general purpose stopcock is designed primarily for use in control of fluids. Excellent for use in construction of burettes, addition funnels and non-vacuum apparatus. Valve is constructed so that only glass and PTFE come in contact with fluids. Tip design provides for semi-needle valve metering action. Sidearms are 8mm OD and sealed to barrel at a 90º angle to one another.

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Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 33×10-7/℃

Softening Point------820℃