Stopcocks
Ace Glass, Inc. Stopcock, 0-3mm, 90° arms, high vacuum, PTFE plug with knurled nylon handle
Stopcock, 0-3mm, 90° arms, high vacuum, PTFE plug with knurled nylon handle
Ace Glass, Inc. 2mm hi vacuum stopcock HLW double oblique
2mm precision-grade, hi vacuum stopcock, with double oblique bore hollow plug. Plug has a hole to permit evacuation of the lower chamber, and prevents leakage through the bottom.
Ace Glass, Inc. 14.5mm ID x 25cm chromatography column, #3 stopper top, 250mL reservoir, porosity B filter disc
14.5mm I.D. x 25cm chromatography column with 250mL reservoir at top and 2mm bore 1:5 PTFE stopcock plug at bottom. Opening at top is for a #3 stopper. Includes porosity B filter disc.
World Precision Instrument 4-Way Stopcock, 2 Female Luer Locks, Male Luer with Spin Lock
- Polycarbonate (medical grade) body
- Polyethylene handle
- 130 PSI
- 4-way stopcock, luer lock, package of 10
Ace Glass, Inc. 6mm stopcock straight bore PTFE plug
6mm straight bore stopcock with polished barrels and 1:5 PTFE plug.
Ace Glass, Inc. 3mm stopcock straight bore PTFE plug
3mm straight bore stopcock with polished barrels and 1:5 PTFE plug.
Ace Glass, Inc. 0-5mm 3-way high vacuum stopcock (glassblower)
0-5mm 3-way high vacuum stopcock that eliminates exposure to corrosive materials. Stopcock can be used to at least 13.6 Kg internal pressure. Ultimate vacuum of 10-7 can be realized with the standard three seals. The smooth acting valve permits fine adjustment of the opening. The front ring seal makes a positive closure against a precision-formed heavy glass seat. The PTFE plug is not bakeable, and the O-rings are not replaceable. Reference marks on the body aid in repetitive setting.