|Threaded body: Stainless steel
European standard No. 1.4305
(American standard 303 series)
Plunger pin: Stainless steel, chemically nickel plated
Knob--plastic version: Matte black technopolymer plastic (Polyamide PA), not removable
Knob--stainless steel version: European Standard No. 1.4305 (American Standard Series 303), not removable
Lock nut: Stainless steel, DIN 439/ISO 4035
||Indexing plungers in stainless steel
GN 617.1-NI with lock-out
position are used for such applications where the plunger has to stay in its retracted position. To achieve this, the knob is rotated by 90 degrees after being retracted.
The head of the plunger body is provided with a suitable notch in opposite positions so as to prevent the plunger from accidentally slipping back into its
Maximum heat resistance of nylon plastic hand knob: 110°C (230°F).Indexing
plungers in stainless steel, with fully threaded body, see GN
Indexing plungers in stainless steel, with lock-out position,
see GN 617-NI.