This standard specifies the model, basic parameters and markings, technical requirements, test methods, inspection rules and packaging requirements of hydraulic pressure relays (hereinafter referred to as pressure relays). This standard applies to pressure relays with threaded connections and plate connections that use mineral oil-type hydraulic oil or other liquids with equivalent performance as the working medium.
JB/T 10372-2014 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 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 7935-2005 Hydraulic fluid power.General requirements for hydraulic components
JB/T 2184 Hydraulic fluid power.Method for coding the typeof hydrauIic components
JB/T 7858 Method to determine cleanliness and acceptance criterions for hydraulic components