... as following:1. The main component are high precision and high worm-gear pairs.2. The material of housing ... are aluminium alloy EN1706-AB-AISI10MgT6 and spheroidal graphite cast iron EN1561-GJL-250.3. Model: ... parts: Motor, hand wheel, rubber bellows, steel cover, frequency inverter and brake.8. Application: Metallurgy, construction, irrigation, chemical industry, healthecare ...