Skip to Main Content



Class 125 Iron Check Valves

Series F-511 Class 125 Iron Check Valves are used in commercial applications. They feature a cast iron body, bronze trim and bolted cover. Series F-511 has IBBM, ANSI B16.1 flanged connections and complies with MSS-SP-71, Type 3. Maximum Pressure: 200psi (13.8 bar) WOG (non-shock), 125psi (8.6 bar) WSP.

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific F-511

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: