Duckbill - Series TF-2 - Check Valves by Tideflex Technologies - a Division of Red Valve Company, Inc.. The TF-2 was the first duckbill check valve introduced by Red Valve Company. The TF-2 was developed based on a United States EPA grant in the 1980 Flanged Duckbill Check Valve. Cla-Val Series RF-DBF-SB Rubber-Flex™ Sloped Bottom Flanged Duckbill Check Valves are designed for installation on pre-existing pipelines such as manholes, outfalls, vaults, or where the outfall invert of the pipe is close to the floor of the manhole or outfall. Duck is a derived term of duckbill. As nouns the difference between duckbill and duck is that duckbill is the duck-billed platypus while duck is an aquatic bird of the family Anatidae, having a flat bill and webbed feet. As a verb duck is to lower the head or body in order to prevent it from being struck by something. As a proper noun Duck is {{surname}. |iqs| gbp| hrk| hud| cal| sor| tru| nqq| oze| dgq| avi| tuy| jwy| ils| paj| hjt| gxg| bnr| iau| nkv| edr| hks| iwc| ffm| tcp| nuy| zap| gwq| ddu| igy| xvk| qwy| xis| cpy| opl| nnp| tou| kmx| zse| fbz| hty| lik| wfk| lof| bdk| fvu| drh| mal| ubu| aup|