angle seat valve can be used in air,water,gas,oil. pressure range:0~1.6Mpa. material: stainless steel port size:15~65 angle seat valve can be used in air,water,gas,oil and aggressive liquidspressure range:0~1.6Mpa.temprature-10~180 deg.seal material:NBR or EPDM,VITONmaterial: stainless steelport size:15~65also have the model of flange.