MT/T 249-1997: Flameproof mining type double speed three-phase induction motorsDelivery: 9 seconds. Download (and Email) true-PDF + Invoice.Get Quotation: Click MT/T 249-1997 (Self-service in 1-minute)Newer / historical versions: MT/T 249-1997Preview True-PDF ScopeThis standard specifies the classification and nomenclature, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of flameproof mining type double speed three-phase induction motors. This standard applies to the flameproof mining type double speed three-phase induction motors as supported for the conveyors of the coal mine work face, AND it is also applicable to the flameproof mining type double speed three- phase induction motors as used on such mechanical equipment as plow (hereinafter shortly referred to as motor). Basic Data Standard ID MT/T 249-1997 (MT/T249-1997) Description (Translated English) Flameproof mining type double speed three-phase induction motors Sector / Industry Coal Industry Standard (Recommended) Classification of Chinese Standard K25 Classification of International Standard 29.160.30 Word Count Estimation 16,145 Date of Issue 9/20/1991 Date of Implementation 1/1/1992 Older Standard (superseded by this standard) MT 249-1991 Quoted Standard GB 191-1990; GB/T 755-1987; GB/T 997-1981; GB/T 1032-1985; GB 1971-1980; GB/T 1993-1993; GB/T 2423.4-1993; GB 3836.1-1983; GB 3836.2-1983; GB 3836.3-1983; GB/T 4772-1984; GB/T 4826-1984; GB/T 4942.1-1985; GB/T 10068-1988; GB/T 10069-1988; GB/T 10111-1988; GB/T 13384-1992; JB/Z 293-1987; JB/Z 294-1987 Summary This standard specifies the flameproof two-speed three-phase asynchronous motors product classification and nomenclature, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to coal mine face conveyor supporting the mine using flameproof two-speed three-phase asynchronous motors are also suitable for use flameproof two-speed three-phase asynchronous motors on the plow, and similar conditions of machinery and equipment (hereinafter referred to as the motor).
