The key specifications of the Fan Assembly, 630 Ø SuctionType are — Descripition: Motor Fan ø630 (AD 630S); Poles: 4; Airflow: 12420 m³/hr; Speed: 1320 rpm. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.