Wannan motor flameproof products through the national safety review
Wannan motor flameproof products by State Administration of work safety review Wannan Yb3 series motor applies to: containing gases such as methane or coal dust in coal mine (non mining working face) (ex I d) and plant (ex D II at4, D II BT4) containing class II A, B grade T1 ~ T4 group of flammable gas or vapor and air mixture explosive place.
Features: explosion proof mark Exd I, Exd II at4, Exd II BT4, class I, the maximum surface temperature not exceeding 150 DEG C (when motor surface may accumulate dust), not more than 450 DEG C (when the surface of the motor will not accumulate or measures can be taken to prevent the accumulation of coal dust); class II of the maximum surface temperature shall not exceed: (450 DEG C) T1, T2 (300 DEG C), T3 (200 DEG C), T4 (135 DEG C); junction box can be respectively made into three or six terminals for rubber sheathed cable (or plastic cable and steel pipe wiring structure. Ambient temperature: ambient temperature is ~35 DEG C 15 (mine) or 15 ~40 OC (factory).
Industry focus:
In October 18th, the National Center of the National Center for the assessment of two people on the production conditions of our company's security conditions for the supervision and assessment. The expert group listened to the production and operation of the company in recent years, the on-site inspection of the product quality management, testing equipment, production machinery processing equipment operation, etc., the audit team reviewed the quality management system documents, process documents, procurement documents, inspection documents and the relevant standards of the current validity. Finally, the water pressure test was carried out in the field.
Through on-site verification and data review, the expert review group that Wannan motor main body qualifications meet the requirements, and improve the quality management system and normal operation, technical documents and safety standard, the National Center for examination and confirm the consistent, complete basic work instruction documents, perfect production equipment, testing equipment improved, technical force to meet the needs of production, inspection and skilled personnel to operate the; overall production conditions and quality management system conforms to the related assessment criteria, have the production including YB3-355L1-2, 4, 6, 8, 10 660/1140 flame-proof type three-phase asynchronous motor 116 species products, agreed to by the B level supervision and evaluation.
