Report copyright - 40897 Cover.indd 1 12/1/15 12:16 PM - Williams Valve Pipeline Gate Valve...3 Welding yoke ANSI 1020 ANSI 1020 ANSI 1020 ASTM A516/A36 ASTM A335 4 Gate A216 WCB/WCC/ENP A216 WCB/WCC
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