Filter for check valve: 1.High pressure resistance 2.ISO,CE approved 3.scientific design,full sizes 4.Fast delivery Filter for check valve,stainless sleeve filterSpecifications:1.Stainless sleeve:302,304,etc2.Size:3/8''~4''3.Working pressure:1.6MPa4.Working temperature: -20°c~120°c5.Working medium:Water,oil6.Certificate:ISO9001,CEBrief description about our company: Zhejiang LvFeng Valve Co.,Ltd ...