Coupling model  
Specification: Applicable medium

Name: Code Nominasize mm Water, liquid
Fire hose KD 25, 40, 50, 65, mixture of water
Couplings 80 and foam
Toothed coupling KY
Blind cover KM

Internal thread KN 50, 65, 80
Fixed coupling
Outside thread KWS
Fixed coupling KWA
Reducercoupling KJ
Nominal pressure Mpa
1. 6

Pipes thread G1'', G11 /2 ", G2", G2 1/2", G3,