Assembly instructions VOSS quick connect system 246
NX
, page 3 of 18
B. Components and materials
1. Plug
Straight and elbow plugs are available in two different nominal sizes (NS): NS 8 and NS 12.
Fir-tree sizes (designated as “nominal width”, NW) differ in respect to the inner diameter of
the tube. Different nominal widths can be distinguished by color markings on the retaining
element. The plug is made of polyamide and will be supplied with a protective cap. The
system is available with different O-ring materials depending on the fluid.
Fig. 2: Components of the plug, without protective cap
O-ring materials
Application
O-ring material
Diesel fuel acc. to DIN EN 590
NBR, FPM
Biodiesel acc. to DIN EN 14214
FPM
Coolant
EPDM
AdBlue
®
/DEF
EPDM
Tab. 1: O-ring materials
Fir-tree profile
Sealing O-ring
Retaining element
Fig. 1: Elbow plug NS 8,
NW 6 with protective cap
Plug NW 12 (as shown)
Male end
Plug NS 12 (as shown)
