galvanized steel fire hose coupling

Specifications
Features:
1) Size: 40mm (1-1/2), 50mm (2), 65mm (2-1/2)
2) Material: aluminum alloy
Features:
Size: 40mm (1-1/2), 50mm (2), 65mm (2-1/2)
Material: aluminum alloy
1.aluminium alloy material.
2.Casting productss.
3.Different orifice orifice size
4.Normal pressure: 1.6Mpa
5.The surface is oxide treatment, anti-corrosion.
6.Reasonable structure, easy connection tightly and with high sealablity.
7.Strong strength.
8.Used for connecting fire hosewith fire hose, fire truck, fire hydrant, water gun or nozzle. It is conveying the water or foam