... /month,OD14/24mm available Testd 100% in house Samples welcome, solar collector SRCC,Solarkeymark,CE,ect.6000sets/monthTestd 100% in houseSamples availableManufacture ... : -40degrees 7). Operating pressure: 6 bar to 12 barInstallation Case: Solar collector,by SRCC,Solarkeymark,manufacture since 1987,OEM free of charge ...