Katalóg DIRAK

Safety Quarter-Turn Pr20.1 L18

Safety Quarter-Turn Pr20.1 L18



Nicely shaped safety Quarter-Turn with 18mm housing Advantages ■■ RH / LH application. ■■ Vibration-proof according to

stainless steel AISI 316L Advantages ■■ Flat version. ■■ Vibration-proof also at high sealing pressure. ■■ Fully closed external surface. ■■ IP65 according to DIN EN 60529. ■■ RH / LH application. ■■ A pre-assembled quarterturn can be inserted through the cutout. ■■ On request cam can be pre-assembled by DIRAK.

Materials a) ■■ Housing, insert and spring loaded link: zinc die, matt chrome plated ■■ O-Ring and flat external seal: NBR Perbunan, black ■■ Grounding nut: zinc die, untreated b) and b1) ■■ Cam: steel, zinc plated Remarks C ompletely closed housing surface

Materials ■■ Housing, insert, spring loaded link and nut: stain less steel AISI 316L ■■ O-Ring and flat seal: NBR Perbunan ■■ Serrated screw and spring: stainless steel AISI 304 Remarks Attencion: An assembled cam will have some axial play on the insert. This play is necessary to neutralize tipping of the insert at high compression forces. This tipping will squeeze the spring loaded link. 1. Flat external seal 2. Serrated screw 3. Spring loaded link 4. Closed surface



DIN EN 61373 also at high sealing pressure, by built-in spring loaded link. ■■ IP65 according to DIN EN 60529. ■■ The Quarter-Turn can be screwed into the cutout with the pre-assembled cam. ■■ On request parts can be assembled. ■■ Grounding by single sided grounding nut.

Safety Quarter-Turn, pre-assembled, without cam Part Number Housing length Insert

Grounding type



Installation type

a) a)

255-9813.00-00000 255-9814.00-00000

18 mm 18 mm

Square 8mm Grounding nut Triangular 8mm Grounding nut

zinc die zinc die

matt chrome plated matt chrome plated

screw-on screw-on


758 6-100 Key b) 160 1-102 Cams L35/45 steel b1) 167 1-262 Cam variable

Safety Quarter-Turn Part Number


Housing length





Square 6mm

18 mm

max. 8 mm

Stainless Steel


b) 162 7-105 Cams L35/45 stainless steel

56 |



| 57 Quarter-Turns

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