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DWK Duran 250 mL Round Bottom Flask, Narrow Neck, Beaded Rim

Brand:DWK Life Sciences​

Ø

Height

Neck Ø

Nominal capacity

Standard

Specifications

Compare models
Colour
Clear
Ø
85 mm
Height
144 mm
Material
DURAN® glass
Neck Ø
34 mm
No. of necks
1
Nominal capacity
250 ml
Standard
DIN ISO 1773
UNSPSC
41121804
With beaded rim
Yes

₹3,274.50

Inc. GST

Supplier Stock: 8
Delivery: 2-4 weeks

Product description

The DWK Duran 250 mL Round Bottom Flask is a versatile laboratory vessel designed for various applications, including heating and distillation. Manufactured from high-quality borosilicate glass 3.3, this flask offers excellent thermal resistance and chemical durability. The narrow neck with a beaded rim ensures compatibility with standard stoppers and connectors, providing a secure fit during experiments. Its uniform wall thickness allows for even heating, making it suitable for use with heating mantles or liquid baths. Additionally, the flask complies with DIN ISO 1773 standards, ensuring reliable performance in laboratory settings.

Key Features:

  • Brand: DWK Duran
  • Material: Borosilicate glass 3.3
  • Capacity: 250 mL
  • Neck Type: Narrow neck with beaded rim
  • Standard Compliance: DIN ISO 1773
  • Thermal Resistance: Suitable for uniform heating applications
  • Chemical Durability: High resistance to chemical attack

This flask is ideal for laboratories requiring dependable glassware for heating, distillation, and other chemical processes.

Accessories

Flask rings, pressed cork

ProductMaterialExt. ØMfr#Part#AvailabilityPrice
Flask rings,cork,height 30 mm,diam.30/80 mm
BR Solution Cork Flask Ring (Height: 30 mm, Diameter: 30–80 mm)
Cork80 mmKOLBENRING 89.143 003In stock₹523.92
Flask rings,cork,height 30 mm,diam.60/110 mm
BR Solution Cork Flask Support Ring, 30 mm Height, 60–110 mm Diameter
Cork110 mmKOLBENRING 119.143 006In stock₹654.90
Flask rings,cork,height 30 mm,diam.120/170 mm
BR Solution Cork Flask Ring 30 mm Height, 120–170 mm Diameter
Cork170 mmKOLBENRING 179.143 012In stock₹1,571.76
Flask rings,cork,height 30 mm,diam.150/210 mm
BR Solution Flask Ring with Cork Height 30 mm, Diameter 150-210 mm
Cork210 mmKOLBENRING 219.143 015In stock₹2,488.62
Flask rings,cork,height 30 mm,diam.90/140 mm
BR Solution Flask Ring Cork Height 30mm, Diameter 90-140mm
Cork140 mmKOLBENRING 149.143 009In stock₹1,178.82
Flask rings,cork,height 30 mm,diam.90/140 mm pack of 10
BR Solution Flask Ring Cork, Height 30mm, Diameter 90-140mm, Pack of 10
Cork140 mmKOLBENRING 14.VE4.667 533In stock₹10,740.36
Flask rings,cork,height 30 mm,diam.30/80 mm pack of 10
BR Solution Flask Ring Cork Height 30 mm, Diameter 30/80 mm, Pack of 10
Cork80 mmKOLBENRING 8.VE4.667 531In stock₹4,453.32
Flask rings,cork,height 30 mm,diam.60/110 mm pack of 10
BR Solution Flask Ring (Cork Height 30mm, Diameter 60/110mm) - Pack of 10
Cork110 mmKOLBENRING 11.VE4.667 532In stock₹6,549.00
Flask rings,cork,height 30 mm,diam.120/170 mm pack of 10
BR Solution Flask Ring Cork (Height 30mm, Diameter 120/170mm, Pack of 10)
Cork170 mmKOLBENRING 17.VE4.667 534In stock₹14,931.72

Flask support rings, "BiBase", silicone elastomer

ProductTemperature resistanceMaterialMfr#Part#AvailabilityPrice
Flask rings,silicone elastomer,for 50 - 500 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 50 - 500 ml
-60 ... 200 °CSilicone rubber1610409.143 035In stock₹6,810.96
Flask rings,silicone elastomer,for 500 - 2000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 500 - 2000 ml
-60 ... 200 °CSilicone rubber1610429.143 036In stock₹9,037.62
Flask rings,silicone elastomer,for 2000 - 6000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 2000 - 6000 ml
-60 ... 200 °CSilicone rubber1610449.143 037₹17,027.40

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Frequently asked questions

It is a versatile laboratory vessel designed for various applications, including heating and distillation. Manufactured from high-quality borosilicate glass 3.3, this flask offers excellent thermal resistance and chemical durability. The narrow neck with a beaded rim ensures compatibility with standard stoppers and connectors, providing a secure fit during experiments. Its uniform wall thickness allows for even heating, making it suitable for use with heating mantles or liquid baths. Additionally, the flask complies with DIN ISO 1773 standards, ensuring reliable performance in laboratory settings.

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₹3,274.50

Inc. GST