https://www.kosenvalve.com/astm-a395-swing-check-valves-ductile-iron-2-inch-2000-psi.html
ASTM A395 Swing Check Valves, Ductile Iron, 2 Inch, 2000 PSI | Kosen
China ASTM A395 Swing Check Valves Plant: Ductile Iron Body, Size of 2 Inch (DN50), Pressure Rating of 2000 PSI, NPT Threaded Ends, Bolted Cap/Bonnet.
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https://www.buyfittingsonline.com/1-in-200wog-cxc-swing-check-valve-lead-free-brass/
Lead Free Brass Swing Check Valves - 1" CxC (200WOG)
FREE SHIPPING Orders Over $99. Shop now for great prices plus quickest shipping. Prevent reverse flow in commercial and industrial applications with our 1"...
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https://www.waterworkseng.com/en-12334-res-st-swg-check-vlv.html
EN 12334 Resilient Seated Swing Check Valves
EN 12334 resilient seated swing check valves are designed to prevent backflow in waterworks systems, featuring a ductile iron body and EPDM rubber encapsulated...
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