Catalog: Environmental | |
| non-watertight economical consists of a cast iron lid and cast iron rim ... features are not neeed available sizes 9 x7 9 x12 12:x7 12 x12 limited ... resistant built to last consists of a cast iron lid and rim replaceable ... stainless steel bolts lugs on inside of body rim are threaded for bolts to draw ... and `limited access feature available sizes 9 x7 9 x12 12:x7 12 x12 watertight ... true watertight limited access top-of-the-line consists of a full-cast one-piece iron ... symbol affixed to the cover the best of the line made to provide many years of ... service available sizes 9 12 and 12 with aluminum cover duff ... co steel well protectors all sizes in stock and ready for immediate ... | |
| plain end well screen 1/2 to 20 slot sizes from .006 to .250 steel well protectors ... for drainage problems the days of just using pipe with holes in it are ... used for soil drainage the varied forms of usage include hgihway underdrains ... leach fields length standard lengths of 10 13 and 20 241 max custom ... lengths available up to 40 standard sizes from3 to 12 nominal pipe size smaller ... and largers sizes available standard sizes from 1/4 to 1 larger holes available ... please call for current prices pipe sizes hole sizes hole spacing no of rows ... | |
| oil sludge storage wide variety of accessories wide selection of media ... custom configurations call duff company for all your oil-water seperator needs ... | |
| cross flow vapor adsor bers and roll off vapor adsorbers up to 10,000 scfm water ... in all stan dard standard mesh sizes other filtration products anthracite ... allmesh sizes available in one cubic foot bags ... filter sand all grades of quartz silica and garnet in bags and ... and metals from water all grades of gel and acryllic cationic and anionic ... | |
| a tendency to separate as a result of the differences in densities duff co ... point generally at the inlet and outlet of a filter or a separator/filter measured ... pounds per square inch gage or inches of mercury holding capacity in general ... usage refers to the amount of solids pressure rating operating the ... one or more elements is capable of ter housing is capable of operating at ... refer to volumetric holding capacity of either a solid or a liquid pressure ... build up within hydraulics the study of fluids a rest or in motion the vessel ... leaving behind a lacquer film line size the size of line used to carry the ... as a sic inch line micron a short unit of length in the metric system one ... millionth of a meter 10-4 centimeter 10-3 millimeter ... or 0.000039 of one inch used as a criterion to ... | |
| duff co service life the length of time an element operates before ... in oils solid suspension a mixture of solids suspended in a fluid solids a ... be removed surface area total area of an element that is exposed to ... system pressure measured as a function of restricting or blocking fluid flow ... below atmospheric viscosity degree of fluidity property of fluid s molecular ... structure by virtue of which they resist flow the resistance ... of flow exhibited by a liquid resulting ... from the combined effects of cohesion and adhesion the unit so f ... and the stoke a liquid has a viscosity of one poise if a force of one dyne per ... or move past once another at a rate of once centimeter per second there are a ... involve measurement for the time of flow or movement of a a ball ring or ... | |
