Soval 826-020 The 2" Ductile Iron Swing Check Valve w/ Lever and Weight Flanged Ends is the only ductile iron weighted swing check valve you need for your waterworks, fire protection, well water, irrigation, sewage, industrial and plumbing flow control needs. Eiminate that water hammer! High quality build, long lasting performance and great customer service is what has kept in business for over 50 years and we look forward to serving you into the far future for all your flow control project needs.