Pressure Equalizing Dropping Funnel Vacuum Valve

Pressure Equalizing Dropping Funnel with Vacuum Valve:

1. Description: Lab Borosilicate Glass Pressure Equalizing Dropping Funnel with Vacuum ValveColor: Clear

2. Material: Borosilicate glass 3.3/Pyrex glass

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

4. Graduation：with or without graduation

5. Volume Range: 25ml-2000ml

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

7. Feature: Heat-resistant glass

8. Advantage: High transparency 

9. 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 Vacuum Valve：

A dropping funnel is a type of laboratory glassware used to transfer fluids. They are fitted with a stopcock which allows the flow to be controlled. Dropping funnels are useful for adding reagents slowly, i.e. drop-wise. This may be desirable when the quick addition of the reagent may result in side reactions, or if the reaction is too vigorous.

Dropping funnels are usually fitted with a ground glass joint which allows the funnel to fit snugly onto, e.g. a round bottom flask. This also means it need not be clamped separately.

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