Pressure Equalizing Dropping Funnel With PTFE Stopcock

Pressure Equalizing Dropping Funnel with PTFE Stopcock:

1. Description: Lab Borosilicate Glass Pressure Equalizing Dropping Funnel with PTFE Stopcock

2. Color: Clear

3. Material: Borosilicate glass 3.3/Pyrex glass

4. Standard Ground Mouth: 14/23, 19/26, 24/29, 29/32, 40/38, 50/42

5. Graduation：with or without graduation

6. Volume Range: 25ml-2000ml

7. High temperature resistance: 550℃, Low temperature:-200℃

8. Feature: Heat-resistant glass

9. Advantage: High transparency 

10. Application: Chemical laboratory, research institute

Technical Parameters 

Pressure Equalizing Dropping Funnel
Description	Photo	PN	Spec
Pressure Equalizing Dropping Funnel with Glass Stopcock		A07601	25ml,24*2
		A07602	50ml,19*2
		A07603	50ml,24*2
		A07604	100ml,19*2
		A07605	100ml,24*2
		A07606	250ml,19*2
		A07607	250ml,24*2
		A07608	500ml,24*2
		A07609	500ml,29*2
		A07610	1000ml,24*2
		A07611	1000ml,29*2
		A07612	2000ml,24*2
Pressure Equalizing Dropping Funnel with PTFE Stopcock		A07701	25ml,24*2
		A07702	50ml,19*2
		A07703	50ml,24*2
		A07704	100ml,19*2
		A07705	100ml,24*2
		A07706	250ml,19*2
		A07707	250ml,24*2
		A07708	500ml,24*2
		A07709	500ml,29*2
		A07710	1000ml,24*2
		A07711	1000ml,29*2
		A07712	2000ml,24*2
Pressure Equalizing Dropping Funnel with PTFE Stopcock &Graduation		A07801	25ml,24*2
		A07802	50ml,19*2
		A07803	50ml,24*2
		A07804	100ml,19*2
		A07805	100ml,24*2
		A07806	250ml,19*2
		A07807	250ml,24*2
		A07808	500ml,24*2
		A07809	500ml,29*2
		A07810	1000ml,24*2
		A07811	1000ml,29*2
		A07812	2000ml,24*2
Pressure Equalizing Dropping Funnel with Double PTFE Stopcocks & Graduation		A07901	100ml,19*2
		A07902	100ml,24*2
		A07903	250ml,19*2
		A07904	250ml,24*2
		A07905	500ml,24*2
		A07906	1000ml,24*2
Graduated Dropping Funnel Pressure Equalizing with High Vacuum Valve & Graduation		A08001	50ml，24*2
		A08002	100ml,24*2
		A08003	250ml,24*2
		A08004	500ml,24*2
		A08005	1000ml,24*2

About Pressure Equalizing Dropping Funnel with PTFE Stopcock：

Comparing to an ordinary dropping funnel, the Pressure-equalizing dropping funnels have an additional narrow-bore glass tube from the upper part of the funnel bulb to the ground glass joint around the stem at bottom. With standard taper glass outer joint at Top and inner joint at bottom, with PTFE stopcock upper on the bottom glass joint. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.

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