GY5-51 Centrifugal Blower
The fan is designed for the air intake system of steam boilers ranging from 2 to 670 t/h in thermal power plants.
It can also be widely applied in dust removal, mine ventilation, and general industrial ventilation systems, providing stable performance and high efficiency across diverse working conditions.
Specifications:
Pressure range: 1 771 – 8 836 Pa
Air volume: 9 900 – 2 500 000 m³/h
Impeller diameter: 400 – 1 800 mm
Speed: 480 – 1 450 r/min
Drive type: Direct / Coupling / Belt driven
Power: 15 – 900 kW
Cooling: Air / Water / Oil cooling (optional)
CONFIGURATION OPTIONS
1. CONSTRUCTION & MATERIALS
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Impeller: Carbon steel; optional FRP, stainless steel, rubber lining, wear-resistant or ceramic coating.
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Casing / Damper: Standard carbon steel; optional FRP or stainless steel.
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Main Shaft: High-strength alloy steel.
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Bearings: ZWZ / SKF / FAG / NSK.
2.SYSTEM & ACCESSORIES
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Motor: High-efficiency Chinese brand or ABB / Siemens / WEG.
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Optional Parts: Base frame, silencer, flexible joint, damper, rain cover, shock absorber, sensors, inverter, soft starter, monitoring instruments.
| Machine number | Speed (r/min) | Full Pressure (Pa) | Air Volume (m³/h) | Power (kW) |
|---|---|---|---|---|
| 8D | 1450 | 2525–1771 | 9900–23100 | 15, 18.5 |
| 9D | 1450 | 3195–2241 | 14100–33900 | 30, 37 |
| 10D | 1450 | 3944–2767 | 19300–45100 | 45, 55 |
| 11D | 1450 | 4772–3348 | 25700–60100 | 75, 90 |
| 12D | 1450 | 5679–3984 | 33400–77900 | 110, 132 |
| 13D | 1450 | 6666–4676 | 42800–99600 | 160, 200 |
| 14D | 1450 | 7729–5423 | 53000–124000 | 220–280 |
| 15D | 1450 | 10095–7083 | 71000–188000 | 430, 560 |
| 16D | 960 | 4426–3105 | 52400–122000 | 152, 160 |
| 17D | 960 | 4996–3505 | 59800–147000 | 185, 200 |
| 18D | 960 | 5601–3929 | 74600–174000 | 220–315 |
| 19D | 960 | 6233–2778 | 87700–206000 | 110, 132 |
| 20D | 960 | 3691–2532 | 66700–154000 | 132–185 |
| 21D | 960 | 4262–3348 | 71600–176000 | 220–280 |
| 22D | 960 | 8366–5780 | 136000–310000 | 630–800 |
| 23.5D | 730 | 5519–3873 | 126000–294500 | 355–500 |
| 25D | 730 | 6248–4383 | 152000–355000 | 500–710 |
| 26.5D | 730 | 7020–4925 | 181000–422000 | 630–900 |
| 28D | 730 | 4948–3471 | 149000–376000 | 455–630 |
| 29.5D | 480 | 3762–2639 | 164000–383000 | 355–500 |
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.
