With the PGV-ASV， irrigation systems that require backflow prevention for every zone can enjoy simple operation and trouble-free performance without the need to install a separate backflow preventer. This convenient all-in-one unit offers a host of features that professionals expect from a Hunter valve. Such features include a rugged diaphragm that provides a leak-proof seal; internal and external bleed for manual operation， stainless steel hardware and springs， stainless steel bonnet screws and heavy-duty PVC construction and glass-reinforced bonnet. The PGV-ASV also includes flow control， allowing accurate adjustment. For proven reliability in an anti-siphon/electric valve， PGV-ASV is the ideal solution.Find the VALVE ANTI-SIPHN .75 at Ace.
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