This standard specifies the basic parameters, technical requirements, test methods, inspection rules and packaging of hydraulic sequence valves (including internal control sequence valves, external control sequence valves, internal control one-way sequence valves, external control one-way sequence valves, hereinafter referred to as sequence valves) Wait for the request. This standard applies to sequence valves with threaded connections, plate connections and stacked connections that use mineral oil type hydraulic oil or other liquids with equivalent performance as the working medium.
JB/T 10370-2013 Referenced Document
GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
GB/T 17446 Fluid Transmission Systems and Components Glossary*, 2024-03-15 Update
GB/T 17489 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system*, 2022-10-12 Update
GB/T 2346 Fluid power systems and components--Nominal pressures
GB/T 2514 Hydraulic fluid power.Four-port directional control valves_Mounting surfaces
GB/T 2828.1-2012 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 786.1 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1: Graphical symbols*, 2021-05-21 Update
GB/T 7935 Hydraulic fluid power.General requirements for hydraulic components