Premac's Manual Air Horn was designed to be able to give a signal when electrical or pneumatic power is not available. It can be used as a warning or signaling device.
All the horn requires is a firm push.

SPECIFICATIONS:

Warning Examples:
Before starting underground or earthmoving equipment. E.g. LHD, UTILITY VEHICLES, WINCHES ECT.

Signalling Examples:
When loading a shuttle car to signal to the continuous miner to swing the boom either left or right or to signal when the shuttle car is full.

Sound Level
+/- 115 dB at one meter in line with the horn.

Control pressure:
max. 75 bar (1090 psi)