Block valves  (554 offers of 2,619,269 product items)

Nitrogen round-bottom flasks (Schlenk-flasks), DURAN® With an angled side arm with 2.5 mm glass stopcock. Nominal capacity 50 ml Socket 29/32 NS Bore 2.5 mm

Nitrogen tubes (Schlenk-tubes), DURAN® tubing Made of DURAN® tubing. With conical joint and PTFE stopcock. Nominal capacity 50 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 50 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 50 ml Centre neck 14/23 Socket NS Bore 2.5 mm

Rotating joint grease, silicone-free, Alsirol Silicone-free stopcock grease. No silicone derivatives, polymerisation or gumming. Excellent adhesion and viscosity. Stable grease film enables safe, l...

LLG-Aspirator Bottles, narrow neck, HDPE With carrying handle. Suitable for food. Very strong and durable quality for extended use over time. Screw cap can be attached to the bottle using the integ...

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...

Micro burettes acc. to Bang, DURAN®, class AS, certified conformity, with glass key Blue graduated, with dated batch identification. Straight stopcock and stopcock on filling tube with standard gro...

Micro burettes acc. to Bang, DURAN®, class AS, certified conformity, with PTFE key Blue graduated, with dated batch identification. Straight stopcock and stopcock on filling tube with PTFE key. Sch...

Micro burettes acc. to Bang, DURAN®, class AS, with stand Blue graduated, certified conformity, with dated batch identification. With stand. Straight stopcock and stopcock on filling tube with stan...

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 60.0 l Width 330.0 mm Depth 390.0 mm Height 670.0 mm Dimensions (WxDxH) 33...

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...