T/CAAMM 137-2021 Harvesting machinery hydraulic electromagnetic directional valve
T/CAAMM 137-2021 Harvesting machinery hydraulic electromagnetic directional valve
Basic Information
Scope
Scope: This document specifies the units and symbols, basic parameters and markings, technical requirements, test methods, inspection rules, and packaging requirements for hydraulic solenoid valves used in harvesting machinery (hereinafter referred to as hydraulic solenoid valves). This document applies to insert-type solenoid valves that use mineral oil hydraulic oil or other liquids with equivalent performance as the working medium and are equipped with wet solenoids. Main technical content: This document specifies the units and symbols, basic parameters and markings, technical requirements, test methods, inspection rules, and packaging requirements for hydraulic solenoid valves used in harvesting machinery (hereinafter referred to as hydraulic solenoid valves). This document applies to insert-type solenoid valves that use mineral oil hydraulic oil or other liquids with equivalent performance as the working medium and are equipped with wet solenoids.