DWK DURAN Filtering Flask, 250ml, KECK Assembly Set, Erlenmeyer, PBT Connection, Heavy Wall, Vacuum Use, DIN 12476, ISO 6556

The DWK DURAN Filtering Flask, 250ml, with KECK Assembly Set is a heavy-walled Erlenmeyer-shaped laboratory flask designed for vacuum filtration and separation applications. Its reinforced construction provides the mechanical strength required for working under reduced pressure, while the KECK assembly incorporates a PBT tubing connection and silicone (VMQ) seal for secure connection to vacuum tubing. Manufactured for laboratory filtration workflows, the flask complies with DIN 12476 and ISO 6556 and fulfils applicable equipment and product safety requirements.

Key Features:

• Brand: DWK
• Product Type: Heavy-wall Erlenmeyer filtering flask with KECK assembly set
• Capacity: 250ml
• Designed for Vacuum Filtration: Heavy-wall construction provides the mechanical strength required for filtration and separation procedures performed under reduced pressure
• KECK Assembly Set: Integrated assembly provides a practical connection point for vacuum tubing and supports secure laboratory filtration setups
• Replaceable Tubing Connection: PBT hose connection can be replaced when required, helping support continued use of the flask without replacing the complete vessel
• Secure Sealing: Silicone (VMQ) seal supports a dependable connection within the KECK assembly during vacuum filtration workflows
• Erlenmeyer Shape: Familiar conical flask design provides a stable collecting vessel for filtrate during routine laboratory separations
• Standards Compliance: Conforms to DIN 12476 and ISO 6556 and fulfils applicable equipment and product safety requirements

The DWK DURAN 250ml Filtering Flask is a practical choice for laboratories requiring a robust collecting vessel for vacuum-assisted filtration. Its heavy-wall construction, KECK assembly set, replaceable PBT tubing connection and silicone seal combine vacuum suitability with convenient connection and maintenance features for routine filtration workflows.

Frequently Asked Questions

1. What is the DWK DURAN Filtering Flask, 250ml, KECK Assembly Set, Erlenmeyer used for?

It is designed for filtration and separation procedures performed under reduced pressure. During vacuum filtration, the flask acts as the collecting vessel for the filtrate while its heavy-wall construction provides the mechanical strength required for vacuum use.

2. Is the DWK DURAN Filtering Flask, 250ml, KECK Assembly Set suitable for vacuum filtration?

Yes. The flask has heavy-wall construction specifically designed for vacuum use, making it suitable for laboratory filtration and separation procedures carried out under reduced pressure.

3. What connection and seal does the DWK DURAN Filtering Flask, 250ml, KECK Assembly Set use?

The flask is equipped with a PBT tubing connection and silicone (VMQ) seal as part of the KECK assembly. The plastic tubing connection is replaceable, providing a practical solution for maintaining the vacuum connection during ongoing laboratory use.

4. What standards does the DWK DURAN 250ml Filtering Flask meet?

It conforms to DIN 12476 and ISO 6556. The heavy-walled filtering flask also fulfils applicable equipment and product safety requirements for this type of laboratory vessel.

5. How does the DWK DURAN Filtering Flask, 250ml, with KECK Assembly Set compare with the BRAND 250ml Boro 3.3 Filter Flask with Lateral Socket?

For laboratories that prefer a replaceable plastic tubing connection and integrated KECK assembly with silicone seal, the DWK DURAN flask is the more suitable choice. The BRAND 250ml filter flask is also manufactured from Boro 3.3 glass and complies with DIN 12476 and ISO 6556, but uses a lateral socket designed for vacuum tubing with a 15-18mm outer diameter, making it a useful alternative when that connection style is preferred.