CAST IRON VALVES CATALOG - Walworth

Issued by Yarmouth Research and Technology Lab for 16 inch Class 150 Gate Valve After 500 cycles the measurement result was less than 50 ppm. Certificate NMX-CC-9001 (Mexican Standards ISO-9001) No. ... WALWORTH CAST IRON OS&Y GATE VALVES CLASS 125 15 3 1. CLASS 125 A.

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