... 25MM, 35MM, 40MM, 45MM ceramic cartrdige, platic cartrdige, cermaic valve core, welcome to enquiry.[ Material ]: Ceramic & Plastic[ Using Time]: more 700000 ... Pressure and Flow Rate Pressure(Mpa)0.050.10.150.20.250.30.350.40.450.50.550.6Average Flow Rate ... .520.2521.7523.2524.525.7527 40mm diameter Ceramic Valve-Core