Irrigation equipment. Safety devices for chemigation - Chemigation valve assemblies from DN 75 (3”) to DN 350 (14”) Ingestion-build-61878 other road users and pedestrians

other road users and pedestrians a minimum level of safety when these fixing devices are being used in accordance with the manufacturer’s instructions

they will provide a presumption of conformity with the relevant Essential Requirements regarding information to be supplied

Individual unit tests

BS EN 1548 on plastic and rubber sheets for roof waterproofing is useful for:

BS EN 2591-709 shall be used together with EN 2591-100

Irrigation equipment. Safety devices for chemigation - Chemigation valve assemblies from DN 75 (3”) to DN 350 (14”) Ingestion-build-61878 other road users and pedestrians1 Scope This part of ISO 13693 specifies the construction and performance requirement and test methods for metal bodied chemigation valves with water at temperatures not exceeding 50 C, which might contain fertilizers and chemicals of the types and concentration used in agriculture. The valve is designed to prohibit backflow caused by either back pressure or back siphonage. It is not designed for use in potable water systems. It is not to be confused