SELF-SANITISATION AGAINST BACTERIA AND FUNGI
Black-oxide steel

Threaded body
Black-oxide steel.
Plunger
Black-oxide steel with hardened end.
Suggested tolerance for matching hole = H7.
Locking nut
Black-oxide steel.
Knob
High-resilience polyamide based (PA) technopolymer, black colour, matte finish or AISI 303 stainless steel.
Standard executions
- GN 617-A: with knob, without locking nut.
- GN 617-AK: with knob, with locking nut.
- GN 617-G: without knob, without locking nut.
- GN 617-GK: without knob, with locking nut.
GN 617-G and GN 617-GK, without knob, are provided with threaded drive rod for combination with knobs on customer's request or to join the rod to an operating mechanism of the machine.
Accessories on request
- AISI 303 stainless steel distance bushings GN 609.5 for assembling the plunger on thin sheets.
