Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4

The Lenz-Laborglas Straight-Bore Stopcock NS 18.8 with a 4 mm bore is precision-engineered from DURAN® borosilicate glass 3.3 and fitted with a PTFE plug for outstanding chemical resistance and smooth operation. This stopcock includes a retaining device for enhanced safety and is ideal for laboratory use in flow control, vacuum systems, and distillation setups.

Key Features:

• Brand: Lenz-Laborglas
• Ground Joint Size: NS 18.8
• Bore Diameter: 4 mm
• Material: DURAN® (borosilicate glass 3.3)
• Stopcock Plug: PTFE key for chemical-resistant, durable sealing
• Design: Straight-bore configuration with retaining device
• Application: Suitable for distillation, filtration, vacuum systems and precise fluid regulation in laboratory setups

The Lenz-Laborglas Straight-Bore Stopcock with PTFE Plug offers premium material quality, reliable flow control and long-term durability—ideal for demanding laboratory and analytical applications.

Frequently Asked Questions

1. What is the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 used for?

It is precision-engineered from DURAN® borosilicate glass 3.3 and fitted with a PTFE plug for outstanding chemical resistance and smooth operation. This stopcock includes a retaining device for enhanced safety and is ideal for laboratory use in flow control, vacuum systems, and distillation setups.

2. Is the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 suitable for distillation, filtration, vacuum systems and precise fluid regulation in laboratory setups?

Yes. It is designed for distillation, filtration, vacuum systems and precise fluid regulation in laboratory setups, and offers a bore diameter of 4 mm to support this kind of work.

3. What bore diameter does the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 have?

It has a bore diameter of 4 mm, and is supplied under manufacturer part number 2161804.

4. What is the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 made from and what features does it include?

It is made from DURAN® (borosilicate glass 3.3). It also offers NS 18.8, PTFE key for chemical-resistant, durable sealing and straight-bore configuration with retaining device.

5. How does the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 compare with the Bohlender Stopcocks PTFE 6mm Bore GL 18, 2-Way Construction from Bohlender?

For applications where material of DURAN® (borosilicate glass 3.3) is required, the Lenz-Laborglas Stopcocks, Straight Bore with PTFE Plug, NS 18,8 Bore mm 4 is a strong choice. The Bohlender Stopcocks PTFE 6mm Bore GL 18, 2-Way Construction offers material of PTFE for superior chemical resistance and durability, making it a suitable alternative when that specification better matches the application.