Constant Pressure Separatory Funnel

The constant pressure separatory funnel is one of the liquid separatory funnels. Like other liquid funnel, it can be used for separating and extracting. Different from other separatory funnels, constant pressure separatory funnel can keep the internal pressure unchanged. It can prevent backdraft and make the liquid flow smoothly in the funnel, also it can reduce the influence of the increased liquid on the gas pressure, so that it can measure the gas volume more accurately.
Size:10 ml; 25 ml; 50 ml; 60 ml; 125 ml; 250 ml; 500 ml; 1000 ml; 2000 ml
Material:High borax glass, which has the advantages of low expansion rate, high temperature resistance, high strength, high transmittance, and high chemical stability.
Special Customized sizes accepted. Optional Scale Design.

Constant Pressure Separatory Funnel without Scale

Standard interfaces.

Constant Pressure Separatory Funnel with Scale

Accurate and meticulous scale

Constant Pressure Separatory Funnel accessories

According to experimental needs, we can choose either glass plugs or PTFE plugs. Usually, PTFE plugs are suitable for both acidic and alkaline solutions, while glass plugs are suitable for acidic solutions.

Funnel Interfaces Details:

Capacity	Neck Diameter / Stopper Diameter
10 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
25 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
50 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
100 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
125 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
250 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)/ (19 mm Neck Dimater * 19 mm Stopper Diameter)
500 ml	(24 mm Neck Dimater * 24 mm Stopper Diameter)
1000 ml	(29 mm Neck Dimater * 34 mm Stopper Diameter)/ (29/32 mm Neck Dimater * 38/40 mm Stopper Diameter)
1000 ml	(29 mm Neck Dimater * 40 mm Stopper Diameter)/ (34 mm Neck Dimater * 34 mm Stopper Diameter)