Valve is designed to be sealed to the top of either 5 or 10mm O.D. NMR tubes. Upper portion of the stem is extended with an additional o-ring for attachment to a piece of 7mm I.D. tubing which in turn can be sealed to any number of standard taper joints. This feature allows for a sample to be dispensed directly from a vacuum line port into the NMR tube. Valve is symmetrically balanced and is available with a choice of Viton or Ethylene Propylene o-rings on both the barrel and top stem seal. Valve is tooled on 9mm O.D. standard wall tubing. Complete valve consists of a glass body, TFE plug with two o-rings and Delrin-AF® control knob. Plug has three o-rings, two #007 and one #008.

Item Number	Item Description	PQ
CG-512-01	Valve, NMR Tube, Viton O-Rings, Complete with Glass Body, TFE Plug and Control Knob	EACH
CG-512-03	Glass Body Only for NMR Valve	EACH
CG-512-04	Replacement Plug Only, Viton O-Rings	EACH