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标题: EN 60335-2-105 [打印本页]

作者: luck_huang    时间: 2008-12-5 10:21
标题: EN 60335-2-105
22.7 Replacement:# n6 j- ^- \6 \9 f
Appliances having a steam bath function shall incorporate adequate safeguards against the; @: m5 [) V/ ^2 {! M, }% Y
risk of excessive pressure.
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If jets of steam or hot water are emitted through protective devices, the electrical insulation
$ [0 H3 e( L7 A, F/ Dshall not be affected or the user exposed to a hazard.
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1 B$ u# i0 n3 D3 k2 G" gCompliance is checked by inspection and by the following test.
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For non-pressurized boilers, the water shall be supplied at a pressure not exceeding 150 kPa.6 f4 H! q: f9 U+ w1 n4 T: O
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For pressurized boilers, the maximum pressure occurring during the test of Clause 11 with the% k5 I2 ]; [  T
boiler filled but without steam emission is measured. All pressure-regulating devices
8 N$ m. b5 r5 ?* u* T/ hthat operated during the test are rendered inoperative and the pressure measured again. The2 W7 f4 _: E  C/ E: R9 J( [. y
pressure shall not increase by more than 200 kPa.$ Z0 J3 t9 m6 d+ P- w' Z
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Any pressure-limiting protective device is then rendered inoperative and the pressure in& Y* ?$ s' O! q  c! d  [* g
the boiler is raised hydraulically to five times the pressure measured originally or twice the3 [9 k# P& i5 |+ Q# Q) k* g/ c7 r, m
pressure measured with the pressure-regulating device operating during the test of Clause 11* w" }( ^" t  R3 Y
rendered inoperative, whichever is higher. There shall be no leakage from the boiler., B/ `  @; L, _/ _- A+ a1 j  u
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请教有哪位大侠做过EN60335-2-105的22.7这个章节的测试?能否帮讲解一下这个测试怎么做,如何去理解这个条款?
1 O# {5 |8 g, N$ o什么叫做是non-pressurized boilers; pressurized boilers 它们的定义是什么啊?
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$ ?8 p1 y" @5 H$ H& C' L& V# z万分感激!
作者: jason_steel    时间: 2008-12-5 11:05
楼主怎么发贴到这儿来了???
作者: gzmuestc    时间: 2008-12-5 13:50
这里 http://www.angui.org/bbs/read.php?tid-239-keyword-60335.html
作者: jerryzgl    时间: 2009-11-12 09:35
有新版吗?旧版什么时候过期?




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