About these items:Hydraulic Spool Valve: Features 1 spool with a maximum pressure range of 3600-4300 PSI and a maximum flow rate of 21 GPM. Designed to control the opening and disconnection of hydraulic oil by connecting to the oil line.Automatically Reset: The standard spool is spring-returned to the neutral position, ensuring automatic reset. A spring at the bottom of the handle enhances joystick control for smooth operation.Great Inner Valve: The integrated check valve prevents hydraulic oil from returning, while the built-in overflow valve adjusts the working pressure of the hydraulic system for stable performance.Compact Structure: Constructed from aluminum and iron for durability, the compact design enables easy installation in confined spaces while maximizing control efficiency.Widely Used: Ideal for hydraulic systems in agriculture, forestry, construction, and industrial applications. Compatible with various machines, including tractors, loaders, sprayers, excavators, sweepers, and other hydraulically controlled equipment.Key Differences:Max Operating Pressure: Available in 4300 PSI, 3625 PSI, and 3600 PSI models.Port Type: The 4300 PSI model features 1/2"-12" NPTF A, B ports and 3/4"-14" NPTF P, T, N ports, while the 3625 PSI and 3600 PSI models use 1/2" BSPP A, B, P ports and 3/4" BSPP T, N ports.Model Variations: The 4300 PSI model is labeled 121GPM4300, the 3625 PSI model is 121GPM3625, and the 3600 PSI model is 121GPM3600.Specifications:Model Options: 121GPM4300 / 121GPM3625 / 121GPM3600Max Operating Pressure: 4300 PSI / 3625 PSI / 3600 PSIFlow Rating: 21 GPMRelief Valve: AdjustableCenter System: OpenSpool Count: 1-SpoolValve Operation: ManualPort Specifications:4300 PSI Model: A, B Ports: 1/2"-12" NPTF | P, T, N Ports: 3/4"-14" NPTF3625 PSI & 3600 PSI Models: A, B, P Ports: 1/2" BSPP | T, N Ports: 3/4" BSPPPackage Contents:1 x 1 Spool Hydraulic Directional Control Valve (Varies by model selection)
