DSP and AR resemble NF Guillemin couplings in that DSP are used for pressure, AR for suction purposes in firefighting field; Guillemin for general industrial use.
The lock mechanism (LK - locking ring) is made on both or either of the coupled sets.
Required shape of hose shank can be made, as the ribbed tail for band-clamping assembly.
NF S61-701 — Raccords destinés à la lutte contre les incendies
T6 heat treatment
Black natural buna rubber gasket (NBR)
Branding on claws
EUR standard pallet
LW 120 × 80 cm