NS 12.5 Straight Bore 1-way PTFE Key Stopcock are fully interchangeable.
These are made from Boro 3.3 glass with PTFE keys. Borosilicate glass 3.3, clear, with PTFE key.
Replaceable NS keys, Screw thread retaining device
Straight bore.
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One-way TEFLON stopcocks, straight bore, with PTFE plug, borosilicate glass 3.3
Acc. to DIN 12541-1 and in addition to DIN standard, with PTFE plug and screwthread retaining device, one straight bore, material: borosilicate glass 3.3, leakage rate acc. to DIN 12540-1 Stopcock ‘SGCLABS’ Straight Bore with PTFE key, Available bore 1.5 mm & Bore 2.5 mm.
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