This standard specifies the general technical conditions for the design and manufacture of coal mine machinery hydraulic systems. This standard applies to hydraulic systems of coal mining machinery and equipment that use hydraulic oil (liquid) as the working medium and the nominal pressure is not higher than 31.5 MPa.
MT/T 827-2005 Referenced Document
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres-Part 1: General requirements
GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres-Part 2: Flameproof enclosure "d"
GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres. Part 4: Intrinsic safety“i”
GB/T 3766-2001 Hydraulic fluid power--General rules relating to systems
GB/T 786.1-1993 Fluid power systems and components. Graphic symbols and circuit diagrams. Part 1: Graphic symbols
MT/T 827-2005 history
2006MT/T 827-2005 Coal mining machine hydraulic fluid power-General rules relating to system
1999MT/T 827-1999 Coal mine machinery hydraulic fluid power.General rules for the application of equipment to transmission and control systems