Safety device for hose connections

摘要: A special safety device prevents two fluid lines from being connected if the in first line can not be safely received by second line. The danger of connecting may be, for example, because carried presents a hazard line, or is at too high pressure temperature to includes and cams which are lines. cam has keys pattern indicative characteristics transmitted while second, complimentary positioned with respect male female couplings such that even partially engaged unless patterns match one another manner sufficiently allow pass another.