Soval 837-040 4" Double Door Check Valve UL Listed

Soval 837-040 The 4" Double Door Check Valve UL Listed is the only ul listed double door check valve you need for your waterworks, fire protection, well water, irrigation, sewage, industrial and plumbing flow control needs. 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.