The Gebr. Rettberg Solvent Apparatus, Double Oblique Stopcock (9.305 354, 137020000) is a long-form solvent circulation apparatus made from borosilicate glass 3.3. This Type 1 configuration features a Dimroth condenser made from stainless steel, NS29/32 connections, a PTFE plug, an adjustable PTFE valve and an external vapour tube for laboratory extraction and solvent circulation setups.
Key Features
- Brand: Gebr. Rettberg
- Manufacturer Article Number: 137020000
- JMG Part Number: 9.305 354
- Product Type: Solvent circulation apparatus
- Configuration: Type 1, double oblique bore stopcock
- Condenser Type: Dimroth condenser made from stainless steel
- Glass Material: Borosilicate glass 3.3
- Ground Size: NS29/32
- Cone Connections: 2 x NS 29/32
- Socket Connection: NS 29/32
- PTFE Plug: NS 18.8 / 6.0 mm bore
- PTFE Valve: Adjustable from 0 to 3 mm
- Hose Connection: 8 mm
- Vapour Tube: Outside
Note: Supplied without the accessories shown.
Benefits
- Supports solvent circulation and extraction workflows using a dedicated long-form glass apparatus.
- Provides chemically resistant construction with borosilicate glass 3.3 and PTFE contact components.
- Allows connection into compatible NS29/32 glassware assemblies.
- Supports controlled solvent handling through the adjustable PTFE valve and double oblique bore stopcock design.
- Helps users identify the correct Type 1 double oblique bore stopcock variant instead of the separate 2-way PTFE valve version.
Why Choose the Gebr. Rettberg Solvent Apparatus, Double Oblique Stopcock (9.305 354, 137020000)?
The Gebr. Rettberg Solvent Apparatus, Double Oblique Stopcock is suited to laboratories requiring a verified NS29/32 solvent circulation apparatus with borosilicate glass 3.3 construction and a Dimroth condenser. John Morris Group supplies this apparatus for users who need the 137020000 double oblique bore stopcock configuration.
