Representative Image

Lenz-Laborglas Round-Bottom Flasks, Three-neck, Side Necks Parallel, C. Neck NS 45/40, Side Neck NS 29/32, Cap. ml 250

Brand:Lenz-Laborglas

Ø

Ground size centre neck

Ground size side necks

Nominal capacity

Specifications

Compare models
Colour
Clear
Ø
279 mm
Ground size centre neck
NS 45/40
Ground size side necks
NS 29/32
Material
DURAN® glass
No. of necks
3
Nominal capacity
10000 ml
UNSPSC
41121804

Alternative in-stock items

R 12,877.70

Inc. VAT

Available soon

Product description

The Lenz-Laborglas Round-Bottom Flasks, Three-neck, Side Necks Parallel, C. Neck NS 45/40, Side Neck NS 29/32, Cap. ml 250 are engineered for advanced chemical processes and laboratory experiments requiring multiple simultaneous connections. Made from high-quality borosilicate glass, these flasks ensure excellent resistance to thermal stress and chemical corrosion. With a 250 ml capacity and precision-ground joints, the flask accommodates condensers, thermometers, and additional lab glassware with ease.

Key Features:

  • Brand: Lenz-Laborglas
  • Design: Three-neck with parallel side necks for multi-port accessibility
  • Socket Sizes: Center Neck NS 45/40, Side Necks NS 29/32
  • Material: Borosilicate glass 3.3 for high chemical and thermal resistance
  • Capacity: 250 ml
  • Applications: Ideal for chemical synthesis, reflux reactions, and distillation setups

This Lenz-Laborglas three-neck flask is ideal for laboratories requiring durable, versatile glassware for complex and precise operations.

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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10000 mlDURAN® glass033154889.011 970R 14,041.50
Three-neck round bottom flask 100ml Side necks angled MN: NS 24/29, SN: NS 14/23
Lenz-Laborglas Three-neck Round Bottom Flask 100 ml, Side Necks Angled, MN: NS 24/29, SN: NS 14/23
100 mlDURAN® glass033131376.230 739R 1,720.40
Three-neck round flask 1000ml side necks angular, MN: NS 24/29, SN: NS 19/26
Lenz-Laborglas Three-neck Round Flask 1000 ml, Side Necks Angular, MN: NS 24/29, SN: NS 19/26
1000 mlDURAN® glass033132706.254 768R 3,036.00
Three-neck-ruond flask 25ml NS 14/23, side neck angular
Lenz-Laborglas Three Neck Round Flask, 25 mL NS 14/23 Side Neck Angular
25 mlDURAN® glass033111226.232 885R 1,821.60
Round-bottom Flask 1000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 19/26
Lenz-Laborglas Round-bottom Flask 1000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 19/26
1000 mlDURAN® glass033142709.011 964R 2,327.60
Round-bottom Flasks, Three-neck, angled, C Neck NS 45/40 Side Neck NS 29/32 3000ml
Lenz-Laborglas Round-bottom Flasks, Three-neck, angled, C Neck NS 45/40 Side Neck NS 29/32 3000ml
3000 mlDURAN® glass033154766.282 401R 7,387.60
Round-bottom Flask 2000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 19/26
Lenz-Laborglas Round-bottom Flask 2000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 19/26
2000 mlDURAN® glass033142736.226 370R 4,908.20
Round-bottom Flask 4000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 14/23
Lenz-Laborglas Round-bottom Flask 4000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 14/23
4000 mlDURAN® glass033141796.259 262R 7,387.60
Three-neck round flask 100ml side necks angular CN: NS 14/23, SN: NS 14/23
Lenz-Laborglas Three Neck Round Flask, 100 mL Side Necks Angular CN NS14/23 SN NS14/23
100 mlDURAN® glass033111377.312 548R 1,720.40
Round-bottom Flask 5000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32 Side Neck NS 29/32
Lenz-Laborglas Round-bottom Flask 5000 ml, Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 29/32
5000 mlDURAN® glass033144826.226 394R 10,853.70
Round-bottom Flask 3000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 14/23
Lenz-Laborglas Round-bottom Flask 3000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32, Side Neck NS 14/23
3000 mlDURAN® glass033141766.261 051R 6,603.30
Round-bottom Flask 10000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32 Side Neck NS 29/32
Lenz-Laborglas Round-bottom Flask 10000 ml Three-neck, Side Necks Angled, Center Neck NS 29/32 Side Neck NS 29/32
10000 mlDURAN® glass033144886.261 435R 18,165.40
Round-bottom Flasks, Three-neck, Side Necks Angled, C. Neck NS 24/29 Side Neck NS 19/26 Cap. 500ml
Lenz-Laborglas Round-bottom Flasks, Three-neck, Side Necks Angled, C. Neck NS 24/29 Side Neck NS 19/26 Cap. 500 ml
500 mlDURAN® glass033132586.280 226R 2,656.50

Frequently asked questions

It are engineered for advanced chemical processes and laboratory experiments requiring multiple simultaneous connections. Made from high-quality borosilicate glass, these flasks ensure excellent resistance to thermal stress and chemical corrosion. With a 250 ml capacity and precision-ground joints, the flask accommodates condensers, thermometers, and additional lab glassware with ease.

Insights

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What is a Laboratory Desiccator? Uses, Types and How It Works

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What is a Buchner Funnel? Uses, Setup and How Vacuum Filtration Works

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What is a Buchner Funnel? Uses, Setup and How Vacuum Filtration Works

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What is a Separating Funnel? Uses and How It Works

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What is a Separating Funnel? Uses and How It Works

A separating funnel parts two immiscible liquids by density and is central to liquid-liquid extraction, from minerals and assay work to environmental testing and SANAS-accredited QC. This guide walks through what it is, how it works step by step, the pear-shaped and conical types, and how to choose one, with an animated demo and funnel finder.

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R 12,877.70

Inc. VAT