SME type medium expansion foam nozzles are used to fight flammable liquid risks on which foam should be applied from an overhead firefighting network. This equipment works in a similar way to GSM model medium expansion foam generators. A stream of foam solution is sprayed at high speed to an expansion net, attracting into the body the required air and producing foam with an expansion ratio of about 1:20. Equipment is made in stainless-steel body with a spray nozzle made in brass. Flow rates are factory calibrated according to request. The connection to the fire protection network is NPT or BSP threaded DN 20- ¾” or DN 25- 1” depending on flow rate.
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