This procedure is applicable to the design, production and construction quality control of the integrally cast filter plate and adjustable filter head of the newly built, expanded or renovated gas-water flushing filter water distribution system.
CECS 178-2005 history
2009CECS 178-2009 Technical apecification for integral pouring concrete filter floor and adjustable nozzle of air-water washing filter
2005CECS 178-2005 Technical specification for integral pouring concrete filter floor and adjustable nozzle of air-water washing filter