Industrial Roots Wastewater Treatment Aeration System High Pressure Airflow Oxygen Supply Blower

• Customization: Available
• Material: High Quality Carbon Steel
• Usage: for Manufacture, Wastewater Treatment / Aeration / Gas Supply
• Model NO.: LFSR125G
• Flow Direction: Positive Displacement Rotary Machine
• Pressure: High Pressure
• Certification: RoHS, UR, ISO, CE, CCC, Export Standard
• Air Flow: 10.9 M³/Min
• Total Pressure: 70 Kpa
• Structure Type: Soundproof Cabinet Type
• Motor Power: 4-18.5 Kw
• Motor Type: Explosion Proof Motor
• Application: Industrial Aeration System
• Application2: Pneumatic Conveying System
• Noise Control: Soundproof Housing System
• Safety Devices: Safety Valve Installed
• Control System: Pressure Switch Equipped
• Coating Color: Ral7037 Grey
• Surface Treatment: Sandblasted + Painted
• Connection Type: DN100 Outlet Flange
• Packaging: Export Wooden Case with Bubble Wrap
• Transport Package: Steel Frame and Wooden Crate
• Specification: high-pressure explosion-proof
• Trademark: LINFENG
• Origin: China
• HS Code: 841459
• Production Capacity: 20000sets /Year
• Package Size: 200.00cm * 150.00cm * 190.00cm
• Package Gross Weight: 3000.000kg

Product Description

 Integrated soundproof cabinet design significantly reduces operating noise
High pressure Roots structure ensures stable airflow output (70kPa)
Explosion-proof motor suitable for dust and hazardous environments
Equipped with safety valve, pressure switch, and check valve system
Multi-stage silencing system: inlet filter + outlet silencer
Anti-corrosion coating with RAL7037 industrial-grade finish
Fully sealed cable entry design improves dust and moisture protection
Ideal for wastewater aeration and pneumatic conveying systems

Specification

Parameter	Specification	Note
Air Flow	0.5 - 300 m³/min	Small/Medium/Large available
Pressure	9.8 - 98 kPa	High-pressure: up to 196 kPa
Motor Power	0.75 - 400 kW
Port Size	DN40 - DN400	DN50/80/100/150 common
Casing Material	HT250 Cast Iron	Resin sand casting
Rotor Material	QT500 Ductile Iron	Wear-resistant
Shaft	45# Carbon Steel
Gear	20CrMnTi Alloy Steel	Carburized, Grade 5+
Bearing	NSK / SKF / FAG	Imported
Oil Seal	FKM / NBR	Taiwan TTO
Motor Class	IP54 / IP55, Class F
Efficiency Class	IE3 / IE4 / YE5	YE5 Grade 1 available
Rotor Type	Tri-lobe	Helical/Straight
Drive Mode	Belt / Direct
Lubrication	Splash + Grease	Gear/Bearing
Seal Type	Piston Ring / Labyrinth	Oil-free
Vibration	≤0.04mm	Factory test
Machine Life	≥10 Years
Warranty	12-18 Months

Comprehensive Industrial Fan Solutions – Customization Available

LINFENG can design and manufacture fans and blowers for various industrial applications.
for customized solutions.

Packing & Delivery

Packing

Shipping

1.Steel Frame:Reinforced steel structure for heavy-duty equipment
2.Wooden Case:Standard export fumigation-free wooden case for impact protection
3.Anti-corrosion Treatment:Rust-proof oil applied to exposed metal parts
4.Waterproof Treatment:Moisture-proof packaging at motor connections and key areas

1.By Sea:From Qingdao Port to major ports worldwide
2.By Rail:China-Europe Railway ExpressCentral Asia and Europe
3.By Land:Via Alashankou / Khorgos ports to Central Asian countries

4.Product Certificate,Test Report,Installation and Operation Manual Provided

5.Over 200 shipments globally every year, rich shipping experience,

Delivering every machine safely to every corner of the world.

Certifications

Company Profile

Our advantage

47 Years | The Source Manufacturer for Fans

Full Industry Chain Manufacturing: With 40 years of expertise, we integrate research and developing, design, and production serving as your one-stop solution as a source factory for fans.
Dual-Mode Cooperation: We fully support both OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing) to meet all of your needs.
International Compliance Certifications: Our products are certified with ISO 9001, CE, SGS, and more, ensuring quality meets  global market standards.
Customized Solutions: We focus on providing efficient, reliable, and tailored fan solutions for you.
Cost-Effectiveness Guarantee: Leveraging large-scale production and supply chain advantages, we ensure you receive exceptional products at the most competitive cost.

 We provide Standard and customized fan solutions for heavy industries including steel, chemical, building materials, power, and environmental protection.Contact us for your customized solution!

After Sales Service

Pre-Sales Service

In-Sales Service

After-Sales Service

Free fan selection, parameter matching, solution design

Test samples available before mass order

Welcome to visit our factory and see the production process

Real-time progress updates from order to shipment

Key process photos for confirmation, third-party inspection available

Voltage, frequency, material, discharge position customized as required

Warranty: 12 months warranty for the whole machine (consumables excluded)
Technical Support: Lifetime technical consultation
Installation Guidance: Drawings and video guidance provided; on-site technician available
Spare Parts Supply: Original parts always available for continuous operation
Fault Response: Response within 24 hours, solution within 48 hours

FAQ

1.Q: Are your fans certified with international standards like CE, AMCA, or ATEX?

A: Yes. Our standard range is CE certified. We also offer AMCA-rated fans for performance assurance and ATEX/IECEx certified models for explosive atmospheres. Relevant certificates can be provided upon request.

2.Q: What is your Minimum Order Quantity (MOQ)? Can I order a single unit for testing?

A: MOQ for standard fans is 1 unit. Sample orders are welcome. Please note that samples are charged and shipping costs apply. Customized designs may have higher MOQs.

3.Q: Do you support OEM/ODM manufacturing? Can we use our own logo and packaging?

A: Absolutely. We are experienced in OEM/ODM projects. All details including branding, packaging, and technical specifications can be customized under a confidentiality agreement.

4.Q: How do you handle customization requests? What information do I need to provide?

A: Please provide: 1) Required air flow & pressure; 2) Operating medium and temperature; 3) Voltage & frequency (e.g., 480V/60Hz); 4) Installation environment; 5) Any special standards. We will then offer a tailored quotation and design drawing for approval.

5.Q: What is your warranty policy for international buyers? How do you handle technical support or repairs?

A: We offer a standard 18-month warranty from shipment date. We provide remote video support and can dispatch replacement parts promptly via international courier. For major issues, we can arrange for local service partners or engineer visits (terms apply).