Basket Strainers BASKET TYPE STRAINERS 1″ ÷ 16″“PETROL INSTRUMENTS” basket type strainers are used to protect the PD flowmeters from foreign particles present in the fluid and to allow their proper function and durability. Download the PDF (Basket Strainer 1″-8″) Download the PDF (Basket Strainer 10″-16″) Register an Interest Provide Your Information Submit