brass ceramic disc tap cartridge 1.Size:1/2" 2.Brass:57- ... brass valve core, faucet brass cartridge1 brass body,ceramic cartridge,rubber o-ring 2 cutting finish,surface rawbrass ceramic ... faucet cartridge ( valve core )1) Application: Valve,Faucet2) Material: ... water High pressure 2.5Mpa Low pressure 0.05Mpa Dynamic pressure 0.3Mpa Life test 500,000 open ...