Description : The FM Approved Series 590 is designed to prevent reverse flow of gas or air in a pipeline and provdes a positive seal with very low differential pressure.
Printable Literature
View FM Approval
Technical Bulletin
Description : The FM Approved Series 590 is designed to prevent reverse flow of gas or air in a pipeline and provdes a positive seal with very low differential pressure.
Printable Literature
View FM Approval
Technical Bulletin
Contact Us