Representative Image

Lenz-Laborglas Round Bottom Flask Two-Neck Angled C-Neck NS 14/23, Side Neck NS 14/23

Brand:Lenz-Laborglas

Ø

Ground size centre neck

Ground size side necks

Nominal capacity

Specifications

Compare models
HS Code #
70172000
Angle side necks
20°
Ø
41 mm
Ground size centre neck
NS 14/23
Ground size side necks
NS 14/23
Material
DURAN® glass
No. of necks
2
Nominal capacity
25 ml
UNSPSC
41121804

R 784.30

Inc. VAT

Supplier Stock: 1
Estimated shipping time from Germany : 6-8 weeks

Product description

The Lenz-Laborglas Two-Neck Round Bottom Flask features an angled central neck and a side neck, both with standard NS 14/23 joints. Designed for versatile chemical reactions and distillations, this flask allows multiple apparatus connections, such as condensers or thermometers. Made from high-quality borosilicate glass, it offers excellent resistance to thermal shock and chemicals, making it a reliable choice for demanding laboratory procedures.

Key Features:

  • Brand: Lenz-Laborglas
  • Type: Two-neck round bottom flask
  • Center Neck: Angled C-neck, NS 14/23
  • Side Neck: NS 14/23
  • Material: Borosilicate glass
  • Application: Ideal for distillation, reflux, and complex reaction setups
  • Packaging: Supplied individually

This Lenz-Laborglas two-neck flask is an essential component for multi-access lab setups requiring precision, durability, and flexibility.

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 stockR 75.90
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 stockR 101.20
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 stockR 202.40
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 stockR 328.90
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 stockR 151.80
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 stockR 1,391.50
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 stockR 581.90
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 stockR 860.20
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 stockR 1,948.10

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 stockR 885.50
Flask rings,silicone elastomer,for 500 - 2000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 500 - 2000 ml
-60 ... 200 °CSilicone rubber1610429.143 036In stockR 1,189.10
Flask rings,silicone elastomer,for 2000 - 6000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 2000 - 6000 ml
-60 ... 200 °CSilicone rubber1610449.143 037R 2,226.40

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Frequently asked questions

It features an angled central neck and a side neck, both with standard NS 14/23 joints. Designed for versatile chemical reactions and distillations, this flask allows multiple apparatus connections, such as condensers or thermometers. Made from high-quality borosilicate glass, it offers excellent resistance to thermal shock and chemicals, making it a reliable choice for demanding laboratory procedures.

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