DBB Series Block & Bleed Ball Valves The DBB Series of barstock Block & Bleed Ball valves provide an economical solution for systems that require this type of valve. The DBB Series of barstock Block & Bleed Ball valves provide an economical solution for systems that require this type of valve. Available in sizes 1/4" to 1" with NPT / BSPP/ BSPT Threaed ends. View PDF Datasheet Want to know more? If you would like to inquire further about the DBB Series Block & Bleed Ball Valves please contact one of our service representatives at 01422 377 999 or by email at sales@colson.co.uk.
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