6, copper alloy valve: ku habboon biyaha PN≤ 2.5mpa, biyaha badda, oksijiinta, hawada, saliidda iyo warbaahinta kale, iyo sidoo kale heerkulka -40 ~ 250 ℃ dhexdhexaad ah uumi, caadi ahaan loo isticmaalo ZGnSn10Zn2 (tin bronze), H62 , HPB59-1 (naxaas), QAZ19-2, QA19-4 (aluminium bronze).7, naxaasta heerkulka sare: ku haboon nom ...
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