Its production technique often uses die-casting or pouring/teeming practice.And the brass Storz coupling often uses forging or hammering.

Material:Brass or Aluminum

Connection Method:Binding   Expansion

Typle:Hermaphroditic

Reference Standard:DIN14302

Specifications:1",   1-1/2",  2"  ,2-1/2",  3",  4",  6"

Storz fire hose couplings Germany type