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J61W-160P J61Y-320P J61Y-P54 170V 不銹鋼對焊式針型閥 焊接式針型閥 不銹鋼一次門,不銹鋼二次門,電力用針型閥,耐高溫 ,耐高壓,耐腐蝕,質(zhì)量好,經(jīng)久耐用,主要型號有J61W-160P J61W-250P J61W-320P J63W-160P J63W-320P J61W-320R J61H-160P J61H-320P J61H-320R J63H-320P J63H-160P J61Y-160P J61Y-320P J61Y-320V J63H-320V J61Y-P54 170V J61Y-320I J61Y-320R 規(guī)格主要有DN6 DN10 DN15 DN20 DN25等,有一體式的,還有帶散熱片的,帶穿板的等等,可以根據(jù)客戶要求定做加工非標(biāo)焊接針型閥。質(zhì)優(yōu)價廉