What is BS EN ISO 13693-1- Small plastics valves for chemigation about?
BS EN ISO 13693-1 is an international standard that covers requirements for irrigation equipment, specifically small plastics valves for chemigation that enables reduced soil compaction and uniform application of fertilizers for improved crop yields.
BS EN ISO 13693-1 specifies the general requirements and test methods for small plastics-bodied valves used for chemigation, hereinafter referred to as “the device”, intended for operation in irrigation pipe systems that may contain fertilizers and chemicals of the type and concentration used in agriculture.
BS EN ISO 13693-1 applies to controllable safety devices (also known as backflow preventers) with a reduced pressure zone (RPZ), intended to prevent backflow by back-siphonage or backpressur...