7-41 series centrifugal ventilation blower
The 7-41 series is engineered to meet the dust-emission requirements of electric arc-furnace exhaust purification systems and improve workshop air quality so dust concentration meets industrial hygiene standards. It is an enhanced version of the 5-11 medium-pressure blower, delivering larger airflow for similar duties and suitable for a wide range of industrial gases and hard particulate materials.
Specifications:
Impeller diameter: 400–3300 mm
Speed: ≤ 4000 rpm
Pressure range: 684–8687 Pa
Flow range: 590.4–700,735 m³/h
CONFIGURATION OPTIONS
1. CONSTRUCTION & MATERIALS
Impeller: Carbon steel; optional FRP, stainless steel, rubber lining, wear-resistant or ceramic coating.
Casing / Damper: Standard carbon steel; optional FRP or stainless steel.
Main Shaft: High-strength alloy steel.
Bearings: ZWZ / SKF / FAG / NSK.
2.SYSTEM & ACCESSORIES
Motor: High-efficiency Chinese brand or ABB / Siemens / WEG.
Optional Parts: Base frame, silencer, flexible joint, damper, rain cover, shock absorber, temperature & vibration sensors, inverter / soft starter, monitoring instruments.
Professional Support Throughout Every Stage — From Selection to After-Sales Maintenance
At Dajing blower, we are dedicated to providing clients with a comprehensive, one-to-one service experience.
Our process covers every stage — pre-sale technical consultation, in-sale production tracking, and after-sale “Private Manager” support — ensuring efficiency, safety, and customer satisfaction.
Expert Technicians for Your Equipment Needs
Each customer is assigned a professional engineer responsible for model selection and technical consultation. We use advanced CAD and CAPP software to provide accurate blower designs and simulate performance for various working conditions.
In-Sale: Full-Process Tracking Service
Your designated project manager monitors the entire process — from material selection, manufacturing, and testing, to shipment and installation. We ensure every blower meets strict quality standards and delivery deadlines.
After-Sale: Private Manager Service
After delivery, Dajing provides 24/7 “Private Butler” after-sales support. Our service follows the “1224 Standard”: respond within 1 hour, provide feedback within 2 hours, and resolve within 24 hours.
