Section 02.03.03.665 - INJECTION LINE CHECK VALVEA functional, spring-loaded injection line check valve. (3-15-22)
01.Attributes: A minimum of ten (10) pounds per square inch (psi) opening (cracking) pressure: (3-15-22)a. Located between the chemical injection pump and the point of chemical injection into the irrigation line; (3-15-22)b. Made of chemically resistant material; (3-15-22)c. Designed to prevent irrigation water under operating pressure from entering the chemical injection line; and (3-15-22)d. Designed to prevent leakage from the chemical supply tank on system shut down. (3-15-22)02.Substitute System. The injection line check valve is a substitute for both the solenoid-operated valve and the functional, automatic, quick closing check valve in the chemical injection line. (3-15-22)Idaho Admin. Code r. 02.03.03.665