Ritag - SR 50.40 DN50 referenced Wafer Type Lift Check Valve product produced by high technology. SR 50.40 DN50 became irreplaceable of foundations. SR 50.40 DN50 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. SR 50.40 DN50 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.
