div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: HEBEI WPHY COLTD · E-mail: standards@mss-hqorg Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc src=https:reader036fdocumentsinreader036viewer2022090606605b6d81c1195e3fb54b5284html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: HEBEI WPHY COLTD · E-mail: standards@mss-hqorg Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc src=https:reader036fdocumentsinreader036viewer2022090606605b6d81c1195e3fb54b5284html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: HEBEI WPHY COLTD · E-mail: standards@mss-hqorg Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc src=https:reader036fdocumentsinreader036viewer2022090606605b6d81c1195e3fb54b5284html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: HEBEI WPHY COLTD · E-mail: standards@mss-hqorg Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc src=https:reader036fdocumentsinreader036viewer2022090606605b6d81c1195e3fb54b5284html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: HEBEI WPHY COLTD · E-mail: standards@mss-hqorg Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc...