Gost couplings are made in compliance with Russian norm. They are provided with hose shank, threaded, blind and reduction sizes.
The lock mechanism is achieved by swithing the claws with every piece.
GOST R 53279-2009 — ТЕХНИКА ПОЖАРНАЯ. ГОЛОВКИ СОЕДИНИТЕЛЬНЫЕ ПОЖАРНЫЕ.
T6 heat treatment
Black natural buna rubber gasket (NBR)
Branding on claws
EUR standard pallet
LW 120 × 80 cm