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Underground Hydrant 304 and 305
As an option, the hydrants may be equipped with a self-locking, epoxy coated stainless steel outlet cover. The one-piece body of the underground hydrant type or is made of ductile cast iron and is fully enamelled. The sturdy obturator is also made of cast iron. Its shape allows ideal flow conditions and it is further fully coated with high-quality EPDM.
DVGW W 331:2006-11