<pre id="l31xn"><var id="l31xn"></var></pre>
    <progress id="l31xn"><listing id="l31xn"><menuitem id="l31xn"></menuitem></listing></progress>

      <delect id="l31xn"></delect>
        <output id="l31xn"><thead id="l31xn"><track id="l31xn"></track></thead></output>
          <nobr id="l31xn"><big id="l31xn"></big></nobr>

              <address id="l31xn"></address>
              <var id="l31xn"></var>

                  <span id="l31xn"><nobr id="l31xn"><font id="l31xn"></font></nobr></span>
                    <pre id="l31xn"></pre>
                    <track id="l31xn"><listing id="l31xn"></listing></track>

                    Zhejiang Wuxing Technology Co., Ltd. | Taizhou Kepu Machine Tool Co., Ltd.
                    CN EN
                    400-831-8688

                    The valve should include the following documents:
                         --Designing Documents;
                         - Welding Procedures (WPS);
                         - Welding Process Assessment Record (PQR);
                         - Welder Qualification Record (WQR);
                         - NDE personnel qualification records;
                         - calibration record of the test device;
                             - Valves greater than or equal to DN 50 (NPS 2):
                             - The smelting certificate for the valve body, bonnet/cover and end connection can be traced back to the unique valve serial number;
                             - trace the serial number of the valve material list;
                             - Pressure test results.
                         The manufacturer shall provide clear, traceable, reproducible documentation and avoid damage.
                         The manufacturer shall retain the documents required by this standard for at least 5 years from the date of manufacture.
                         The Buyer shall specify the special supplementary documentation requirements that shall be provided in Appendix D.

                    Position:Home > Technology > Technical documentation
                    免费超爽大片黄_婷婷七月_久久精选视频_偷窥淋浴xxxx