fixed spray ball                                             spray ball                                              rotary spray ball

 

                   

           angle type filter                                         straight filter                                                Y type filter

 

                    

            elliptical manhole                                       manhole                                                    round manhole

 

                    

          rectangle manhole                                       drainer                                                           pipe holder

                     

          air rebreather flanged                                  sight glass                                               four way sight glass

 

                       

          four way sight glass                                      lighting sight glass                                  tubular sight glass

 

   union type sight glass