VLS. Safety lobe knobs Technopolymer


Description

Main specifications

Lobe solid cap

Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish, with security anti-intrusion-profiled key slot.

Flange

Technopolymer, ultrasonically welded.

Clamping element

Acetal resin based (POM) technopolymer, black colour, matte finish.

Standard executions

  • VLS-B: brass boss, threaded blind hole.
  • VLS-SST-p: AISI 304 stainless steel threaded stud, chamfered flat end according to UNI 947 : ISO 4753 (see Technical data).

Security key (to be ordered separately)

  • CSN (code 6951): acetal resin based (POM) technopolymer fold-away key, red colour, anti-intrusion-profiled stainless steel insert.
  • CSF (code 6952): polyamide based (PA) technopolymer ball key, red colour, anti-intrusion-profiled stainless steel insert.
On request and for sufficient quantities the security keys can be supplied in black colour too.

Security device operation

VLS. security lobe knobs have been designed to be unscrewed only by authorised people, provided with the security key. Without the security key, the knob turns without unscrewing.
  1. Clamping: clamp the knob by screwing it as for a normal knob. Mind that the security key is not inserted.
  2. Unscrewing: simply insert the security key (without turning it) and unscrew the knob.

General information

Features and applications

The particular design of the internal device and of the flange helps the drainage of any dirt (dust, earth, liquid).
VLS-B Knob with brass boss, threaded blind hole.
VLS-B
Filter
Code Description D d6H L d1 l1 l2 h Weight
76501 VLS.42 B-M6 41.5 M6 30 16.5 29.5 14.5 12 25
76502 VLS.42 B-M8 41.5 M8 30 16.5 29.5 14.5 13 26
76551 VLS.55 B-M8 55 M8 33 19 32 15 13 33
76552 VLS.55 B-M10 55 M10 33 19 32 15 17 35
VLS-SST-p Knob with AISI 304 stainless steel threaded stud.
VLS-SST-p
Filter
Code Description D d6g L d1 l l1 l2 Weight
76521 VLS.42-SST-p-M8x16 41.5 M8 30 16.5 16 29.5 14.5 36
76523 VLS.42-SST-p-M8x25 41.5 M8 30 16.5 25 29.5 14.5 40
76621 VLS.55-SST-p-M10x20 55 M10 33 19 20 32 15 44
76625 VLS.55-SST-p-M10x40 55 M10 33 19 40 32 15 52