Vic-Check check valves - Series 716 Vic-300 butterfly valve Victaulic, a manufacturer of mechanical pipe-joining systems, has received Type Approvals from DNV (Det Norske Veritas) for its Vic-300 ...
(Reuters Health) - People who need a heart valve replaced often face a dilemma: should they have a mechanical valve made of graphite or a biological valve derived from a cow or pig? A new study ...
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