HYDRAULIC PRESSURE REGULATOR,BODY MATERIAL: S – SS 316,MAX INLET, PRESSURE: 690BAR / 10,000PSI,OUTLET PRESSURE RANGE: 0 -550BAR ,SEAT MATERIAL: CERAMIC,’O’ RING: N – NBR 70,INLET/OUTLET PORT SIZE: 02N – 1/4” NPT,PORTING CONFIGURATION: N – NO GAUGE PORTS, CV VALUE: 0.06,ADDITIONAL INFO: SV – SELF VENTING MATCERT: MATERIAL CERTS 3.1B, PART NO ‘HYD691-06-S-550S-N-02N-N-SV, FOR HYDRAULIC PRESSURE REGULATORS DEMIN WATER & BACKWASH FILTER SYSTEM COMPONENTS,TAG NO: ME-01, ME-02, ME-03,