Pneumatic quick coupling,Hydraulic quick coupling 1.Standard:UAS,GERMANY coupling 2.Material:Steel,Brass 3.Thread:BSP,NPT Hydraulic quick couplingAir quick couplingPneumatic quick release ... , Carbon steel with Nickel plated, Zinc plated, Copper plated quick coupling.7) It mates with QCM02, QCF02, QCH02Coupling dimensionP/NMT ... 3/83/8”NPT22QHF02-1/21/2”NPT22 Quick coupling QHM02-1/4 Brass