Section 23 21 13 - HYDRONIC PIPING - WBDG | WBDG

Solder Joints: Joints shall be made up in accordance with recommended practices of the materials applied. ... Lever actuator with minimum of seven locking positions, except where chain wheel is required. 2) Valves 200 mm (8 inches) and larger: Enclosed worm gear with handwheel, and where required, chain wheel operator. ... B. Provide tracing ... ................
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