Quality Material: PVC Slide Valve is made of PVC body, EPDM O-ring, PTFE seat with excellent corrosion and acid/alkali resistance, can be used for water, oil and so on. Easy to Operate: Ball valves are designed with easy-to-remove and clean construction, and the smooth inner sphere allows the handle to be easily rotated for quarter-turn operation for long-lasting, superior performance in the field. Replacing or removing the UPVC union ball valve is easy.