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                                        手提式滅火器的水壓試驗機和爆破試驗機的試驗原理

                                        2015-08-31 0

                                        滅火器水壓試驗機

                                        將滅火器(或貯氣瓶)安裝在試驗臺上,試驗臺結構應保證滅火器筒體不受力。試驗采用水作加壓介質,水溫不應低于5℃,試驗用壓力指示儀精度不應低于1.6級。滅火器筒體與器頭可分別進行試驗,但它們之間的連接零件與連接部位也應經受水壓試驗。

                                        試驗時先升壓至最大工作壓力,然后卸壓,反復進行數次,以排除水中氣體,然后緩慢,均勻升壓至規定的壓力,在此壓力下持續時間不應少于1min并仔細觀察。

                                        滅火器爆破試驗機

                                        將經水壓試驗合格的滅火器(或貯氣瓶)安裝在試驗臺上,試驗臺應有安全防護設施。試驗水溫應不低于5℃,試驗用壓力指示儀精度不應低于1.6級。

                                        試驗時先升壓至最大工作壓力,然后卸壓,反復進行數次,以排除水中氣體;然后以緩慢均勻速率升壓,直到滅火器(或貯氣瓶)爆裂。

                                        如果未達到規定的爆破壓力前器頭密封件處發生泄漏,則可將滅火器筒體與器頭分別進行試驗,但筒體和器頭的連接件也應經爆破試驗。

                                        北京赛车计划数据
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