Air Hose Coupling, Universal Coupling

We are offering air hose coupling, universal coupling.
1. material available:
carbon steel zn plated, stainless steel, malleable cast iron
2. size: 14"-1" for two lug, 114"-2" for four lug
3. casting
air hose coupling(universal air coupling)
universal air coupling us type, chicago coupling(type a) european type(type b) austrilian stand (type s)
casting method: investment castingsand casting
sizes:
from 14" to 2"
14" 38" 12" 1" 1-14" 1-12" 2"
parts:
male end
female end
hose end wo collar
hose end with collar
two lugs, four lugs
body material: carton steel malleable iron
sealing: nbr
thread type :npt, bsp
working pressure: 10bar
max test pressure: 16bar.