Block valves  (554 offers of 2,619,972 product items)

Safety / overpressure valves, with spring loaded spherical ground joint seal, with stopcock When laboratory ground devices are used under vacuum or/and slight overpressure, the use of this combined...

Aspirator bottles, series 350, HDPE Food-grade product according to Regulation (EC) No 10/2011. Natural with printed blue graduations (in L) and screwed closure. Inside neck diameter 50mm. With sto...

Aspirator bottles, series 350, HDPE Food-grade product according to Regulation (EC) No 10/2011. Natural with printed blue graduations (in L) and screwed closure. Without stopcock connection at base...

Aspirator Carboys behroplast®, HDPE With welded stopcock. Food-safe. Leakproof, even after prolonged use. Nominal capacity 25.0 l Width 240.0 mm Depth 300.0 mm Height 450.0 mm Dimensions (WxDxH) 24...

Nitrogen round-bottom flasks (Schlenk-flasks), DURAN® With an angled side arm with 2.5 mm glass stopcock. Nominal capacity 250 ml Socket 29/32 NS Bore 2.5 mm

Nitrogen round-bottom flasks (Schlenk-flasks), DURAN® With an angled side arm with 2.5 mm glass stopcock. Nominal capacity 250 ml Socket 14/23 NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and PTFE stopcock. Nominal capacity 250 ml Centre neck 14/23 Cone NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and PTFE stopcock. Nominal capacity 250 ml Centre neck 14/23 Socket NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and NS glass stopcock. Nominal capacity 250 ml Centre neck 14/23 Cone NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and NS glass stopcock. Nominal capacity 250 ml Centre neck 14/23 Cone NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and NS glass stopcock. Nominal capacity 250 ml Centre neck 14/23 Socket NS Bore 2.5 mm

Aspirator carboys Nalgeneä, LDPE With stopcock and screw cap made of PP. Leakproof, with shoulder handles. For storing distilled water, reagents and acids. Cap sizes: for 4 L bottle 38 mm, 83 B (83...

LLG-Aspirator Bottles, narrow neck, HDPE With carrying handle. Suitable for food. Very strong and durable quality for extended use over time. With gasket in the screw cap for a very tight seal. Scr...

LLG-Aspirator Bottles, narrow neck, HDPE, with stopcock With carrying handle and ¾" stopcock. Thread and opening for stopcock provided. Suitable for food. Very strong and durable quality for extend...

Storage bottles with threaded connector, HDPE Thick walled, robust storage bottles with sturdy carrying handle for safe transport and storage. The storage bottles can also be used as aspirator carb...