CPV Check Valve P/N PLC101507B Size 4" MATERIAL COPPER ALLOY BODY MATERIAL DOCUMENT AND CLASSIFICATION ASTM-B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY STYLE DESIGNATOR A2 STRAIGHT THRU MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE MANUFACTURERS CODE 80020 DESIGN CONTROL REFERENCE 519534-1 CPV Manufacturing