SOLUTION: The developing device includes a backflow prevention member 40 disposed over the whole area of the magnetic roller 22 in the longitudinal direction and in the upstream side along the rotation direction of a rotation sleeve 22a observed from a peeling pole 38, the member 40 composed of...
RPAReduced Pressure Assembly(backflow prevention device used in water systems) RPARich Phone Application(customer interaction solution) RPARequest for Purchasing Authority RPAReserve Program Administrator RPARegistered Professional Archeologist RPARevista de Politica Agricola(Portugese: Magazine of Agricultural Polit...
the pipe may allow contaminated water from the ground, from storage or from other sources to be drawn up into the system either through the break or an open valve. A backflow prevention assembly is used to protect potable drinking water supplies from contamination or pollution due to backflow....