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&lt;/script&gt;</html><thumbnail_url>https://jureknawrocki.com/wp-content/uploads/Wpalka-B31.3.webp</thumbnail_url><thumbnail_width>779</thumbnail_width><thumbnail_height>496</thumbnail_height><description>Systemy niskoparametrowe maj&#x105; tzw &#x201E;wpa&#x142;ki&#x201D;. Ostatnio nawet widzia&#x142;em je na 15 barowej parze wodnej.&#xA0;Do projektanta nalezy ocena czy&#xA0; jecha&#x107; z weldoletem czy te&#x17C; mo&#x17C;na pozwoli&#x107; spawaczom i&#x15B;c na skr&#xF3;ty i przysta&#x107; na wpa&#x142;k&#x119;. Osobi&#x15B;cie ich nie lubi&#x119;, no mo&#x17C;e z wyj&#x105;tkiem wody ch&#x142;odniczej i prostych instalacji grzewczych. Podaj&#x119; przepis z B31.3.&#xA0;Jerzy Nawrocki &#x2013; Wpa&#x142;ka B31.3</description></oembed>
