Cla-Val Series RF-DBF Rubber-Flex™ Duckbill Flanged Style Check Valves feature an integral, metal-backed, rubber flange for attaching directly to flanged-end connections from tank or head wall. A variety of elastomers allow RF-DBF valves to be used with many different fluids.

The Cla-Val Series RF-DBF Rubber-Flex™ Duckbill Flanged Check Valves are designed with an integral, metal-backed rubber flange for easy attachment to flanged-end connections on tanks or head walls. These valves are versatile, accommodating a wide range of fluids due to the availability of various elastomers.