Pressure Equalising Funnels, Cylindrical

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Pressure Equalising Funnels, Cylindrical

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Pressure Equalising Funnels, Cylindrical Specification

Features
PTFE (Teflon) stopcock, graduations, ground glass joints, excellent chemical resistance

Glass Type
Borosilicate (high chemical resistance)

Display Type
None

Control Type
Manual stopcock

Power Supply
Not Required

Shape
Cylindrical

Accuracy
High, determined by calibration marks (typ. Class A or B)

Temperature Resistance
Up to 400C (for standard borosilicate glass)

Type
Pressure Equalising Funnel, Cylindrical

Equipment Type
Laboratory Glassware

Equipment Materials
Borosilicate Glass

Material
Borosilicate Glass

Application
Laboratory liquid transfer and controlled reagent addition

Capacity (Ltr)
0.05, 0.1, 0.15, 0.25, 0.5, 1.0 Liters

Transparency
Clear

Max Pressure Tolerance
Designed for atmospheric to low pressure equalisation

Joint Type
Standard ground glass joint (e.g., 24/29)

Compliance
ISO/ASTM standards for laboratory glassware

Graduation Markings
Clear and durable, for precise measurement

Stopcock Material
PTFE (Teflon), chemical resistant

Stopper
Ground glass or PTFE stopper provided

Autoclavability
Yes, autoclavable at 121°C

About Pressure Equalising Funnels, Cylindrical

Pressure Equalising Funnels, Cylindrical

Pressure Equalising Funnels, Cylindrical, with Socket & PTFE Key Stopcock and stem with cone.

Capacity

Socket

Cone

14/23

100

19/26

250

19/26

250

24/29

500

19/26

500

24/29

Unmatched Chemical Resistance

Constructed with high-grade borosilicate glass and a PTFE (Teflon) stopcock, these pressure equalising funnels offer exceptional chemical resistance. They are ideal for handling a wide range of corrosive reagents without risk of contamination or degradation. This durability makes them a dependable choice for diverse laboratory procedures involving acids, bases, and solvents.

Reliable Precision and Compliance

Each funnel features clear, durable graduation markings for highly accurate liquid measurement and transfer. The compliance with ISO/ASTM standards assures reliability, while manual control via the stopcock allows for controlled reagent addition. Their ground glass joints ensure a secure fit with standard laboratory setups, enabling seamless integration into existing workflows.

FAQs of Pressure Equalising Funnels, Cylindrical:

Q: How do I use the pressure equalising funnel for controlled liquid transfer in the laboratory?

A: To use the pressure equalising funnel, attach it to a compatible apparatus via the standard ground glass joint. Open the PTFE stopcock to allow precise transfer or addition of liquids. The design enables both safe transfer and pressure equalisation to prevent splashing and ensure accuracy.

Q: What materials are used in the construction of this funnel, and what benefits do they offer?

A: This funnel is made from borosilicate glass, which provides high chemical and thermal resistance, and features a PTFE (Teflon) stopcock and optional stopper. These materials enhance durability, offer broad chemical compatibility, and withstand temperatures up to 400C.

Q: Where is this equipment typically used within the laboratory context?

A: These pressure equalising funnels are utilized in chemical, biological, and pharmaceutical laboratories across India and globally. They serve essential roles in precise liquid transfer and controlled reagent addition during analytical and preparative procedures.

Q: What makes the stopcock and joint connection reliable for repetitive use?

A: The stopcock is constructed from PTFE for excellent chemical resistance and minimal wear, ensuring smooth operation and leak-free performance. The ground glass joint guarantees a secure, standard fit for repeated assembly and disassembly in various laboratory setups.

Q: When should I autoclave the funnel, and at what temperature is it safe to do so?

A: The funnel should be autoclaved prior to use for sterile applications or after use for effective decontamination. It is safe to autoclave at 121C, making it suitable for demanding sterile laboratory protocols.

Q: What are the advantages of having clear and durable graduation markings?

A: Clear and durable graduation marks provide high measurement accuracy, supporting precise volume determination for sensitive experiments. The marks remain intact over extended use, maintaining consistent performance and result reliability.

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