| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable to discriminate simply and surely an inner diameter even when the difference of the inner diameter is hardly discriminated from the appearance. <P>SOLUTION: On such fire extinguishing equipment devices as a flowing water detecting device 28 for performing fire extinguishing by continuously spraying water for pressurization fire extinguishing water, a control valve 26 and a pressure gauge, predetermined inner diameter discrimination colors on respective different inner diameters are colored on parts of the devices. The inner diameter discrimination colors are colored for example, on a flowing water detecting device 28, parts or whole of a name plate 35, covers 46a and 50a of the pressure gauges, cocks 48 and 52, and a handle 43 of a drain valve are colored, and on the control valve 26, the whole or parts of a handle 58 and an indicator 60 are colored, and furthermore, a gasket 54 is also colored. <P>COPYRIGHT: (C)2012,JPO&INPIT |
