Application1、face To Face Is According To Din3352 F52、flange Drilled Is According To Bs4504/en1091-23、nominal Pressure Pn10/pn16testdiameter:dn40-dn600connection:flangeworking ...
Horizontal Sidewall Sprinkler Are Generally Used In Lieu Of
Pendant And Upright Sprinklers Because Of Building Construction Or Installation
Economy ...