LWMPF Middle Pressure Blower

Get a Fast Quote from an Engineer Send your airflow, static pressure & voltage — we reply within one working day with a matching model.
✓ 1-day reply ✓ STEP / CAD on request ✓ Factory-direct

Your specifications go straight to a sales engineer — no spam, never shared.

Prefer a datasheet?
Download Product Catalog (PDF)
Need the exact model with a measured or digitised curve? This page describes the Industrial Centrifugal Fans range. The Fan Selector lists every LONGWELL industrial centrifugal fan model with airflow, static pressure, power, noise, drawing and datasheet.
Search industrial centrifugal fan models →
Have your duty point?

See every LONGWELL model whose P-Q curve covers it — margins, noise and power included. No login.

Library: Ø25–1,000 mm, single units up to about 52,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer

Description

LWMPF Middle Pressure Blower | LONGWELL
LWMPF Series

Middle Pressure Blower

Designed for industrial equipment requiring concentrated airflow, reliable pressure and easy system integration.

🔇
Low Noise
💨
High Airflow
📊
High Pressure
LWMPF middle pressure blower with aluminum alloy housing and protective inlet mesh
2800 r/minRated Speed
≥1.17 - 3.26 KpaAir Pressure Range
90 - 1100 WPower Rating Range
≥4 - 19 m³/hAir Volume Capacity

Why Choose the LWMPF Series

Engineered with durable aluminum alloy housings, aerodynamic volute casings, and high-performance all-copper motors.

Features overview of LWMPF middle pressure blower
🪶

Aluminum Alloy Housing

Lightweight construction with excellent corrosion resistance and reliable long-term structural integrity.

🌀

Aerodynamic Volute Casing

Streamlined housing guides airflow smoothly from inlet to outlet, improving pressure performance and reducing turbulence.

All-Copper Motor

Thickened copper windings deliver stable power output, lower temperature rise, and extended service life.

🛡️

Protective Inlet Mesh

Metal inlet guard prevents accidental contact with internal rotating components and blocks foreign debris.

Product Specifications

Installation dimensions and technical specifications for LWMPF middle pressure blowers.

LWMPF middle pressure blower technical specifications and installation dimensions diagram
Installation Dimension Sheet
Model ABCDE FF1F2GH KLMND1 D2D34-φdWeight (kg)
LWMPF-0.6A-0.12-2P-1-00180121471161613014529732918310825163151066392186.5
LWMPF-0.63A-0.18-2P-1-00180121471161613014529732918310823263151066392186.5
LWMPF-0.67A-0.25-2P-1-00180121471161613014529732918310825163151066392186.5
LWMPF-0.76A-0.37-2P-1-00113718460149194301823884352431612877015134751081810
LWMPF-0.76A-0.55-2P-1-00213718460149194302024214632551782837115137751081812.5
LWMPF-0.80A-0.75-2P-1-00113718460149194302024214632551783027115137751081812.5
LWMPF-0.96A-1.1-2P-1-001139192641802295121345849527018531483151371001381814
Technical Specifications
Model Air outlet diameter (mm) Air Volume (m³/h) Air pressure (Kpa) Noise [dB(A)] Power (W) Voltage (V) Frequency (Hz) Speed (r/min)
LWMPF-0.4A-0.09-2P-1-00140≥4≥1.17<5590220502800
LWMPF-0.4A-0.12-2P-1-00240≥5≥1.3<55120220502800
LWMPF-0.45A-0.16-2P-1-00145≥6≥1.3<55160220502800
LWMPF-0.45A-0.18-2P-1-00245≥8≥1.43<55180220502800
LWMPF-0.6A-0.12-2P-1-00160≥5≥1.3<60120220502800
LWMPF-0.63A-0.18-2P-1-00163≥8≥1.3<60180220502800
LWMPF-0.67A-0.25-2P-1-00167≥9.5≥1.43<60250220502800
LWMPF-0.76A-0.37-2P-1-00176≥13≥1.95<65370220/380502800
LWMPF-0.76A-0.55-2P-1-00276≥15≥2.21<70550220/380502800
LWMPF-0.80A-0.75-2P-1-00180≥17≥2.73<75750220/380502800
LWMPF-0.96A-1.1-2P-1-00196≥19≥3.26<801100220/380502800

Aluminum Alloy Housing

Durable aluminum alloy housing offers lightweight construction, corrosion resistance and reliable long-term performance.

Designed to withstand rigorous industrial environments while keeping total equipment weight down for easier integration.

  • Lightweight construction — reduces overall equipment load
  • Corrosion resistance — ideal for humid or demanding plants
  • Long service life — robust structural durability
Aluminum alloy housing of LWMPF middle pressure blower

Aerodynamic Volute Casing

The streamlined volute casing guides airflow smoothly from the inlet to the outlet, helping improve pressure performance and reduce internal turbulence.

Optimized internal geometry ensures high pressure output and concentrated air delivery across systems.

  • Streamlined volute design — guides airflow smoothly
  • Improved pressure performance — maintains strong static head
  • Reduced internal turbulence — minimizes energy loss
Aerodynamic volute casing of LWMPF middle pressure blower

All-Copper Motor

Thickened copper windings provide stable power output, lower temperature rise and dependable operation, helping extend the blower's service life.

Engineered for continuous 2800 r/min duty cycles under demanding industrial conditions.

  • Thickened copper windings — stable and efficient power output
  • Lower temperature rise — ensures reliable long-term running
  • Extended service life — robust motor durability
All-copper motor construction of LWMPF middle pressure blower

Large-Diameter Outlet

The enlarged round outlet enables smoother airflow discharge with less resistance, helping maintain stable air pressure and efficient air delivery.

Allows easy connection to industrial ducts and equipment for dust control and pneumatic transport.

  • Enlarged round outlet — smoother discharge with minimal resistance
  • Stable air pressure — efficient air delivery across duct networks
  • Easy duct connection — fits standard industrial interfaces securely
Large-diameter outlet of LWMPF middle pressure blower

Protective Inlet Mesh

The metal inlet guard helps prevent accidental contact with rotating components and blocks larger foreign objects from entering the blower.

Enhances operational safety without restricting the incoming airflow rate.

  • Metal inlet guard — blocks larger debris effectively
  • Enhanced operator safety — prevents contact with moving parts
  • Unrestricted intake — maintains high suction efficiency
Protective inlet mesh of LWMPF middle pressure blower

Wide Industrial Applications

Designed for industrial equipment requiring concentrated airflow, reliable pressure and easy system integration.

Industrial Equipment Cooling

Industrial Equipment Cooling

Targeted heat dissipation for heavy industrial machinery and equipment.

Drying & Heating Equipment

Drying & Heating Equipment

Maintains high-temperature resistant airflow circulation in drying systems.

Printing & Packaging Machinery

Printing & Packaging Machinery

Supplies precise cooling and drying air jets for high-speed automated production.

Packaging Machinery

Packaging Machinery

Reliable air supply and pneumatic assistance for automated packaging lines.

Textile Equipment

Textile Equipment

Effective fiber collection and ventilation in high-speed textile machinery.

Plastic Processing Machinery

Plastic Processing Machinery

Cooling and material feeding support for plastic extrusion and molding.

Air Conveying Systems

Air Conveying Systems

Pneumatic transport of lightweight materials, particles, and chips.

Automated Production Lines

Automated Production Lines

Steady auxiliary air supply and cooling across smart factory assembly lines.

LONGWELL engineered ventilation and drive systems for mission-critical environments worldwide

LONGWELL — Trusted Industrial Fan Manufacturer Since 1990

Founded in 1990 in Yuyao, Ningbo — the heart of China’s advanced manufacturing belt — LONGWELL has grown from a precision fan component workshop into a vertically integrated ventilation technology group. Today we engineer AC, DC and EC fan and motor systems with 4,000 m²+ of manufacturing floor, dedicated aerodynamics and CFD simulation labs, and a global export network spanning Europe, the Americas and Asia-Pacific.

From material selection to final balancing, every LONGWELL fan is built on automated lines, computer-balanced impellers and 100% run-test before shipment. We are certified to ISO 9001:2015 and ISO 14001, with CE, UL/ETL, RoHS and EAC compliance, and performance tested to the AMCA 210/211 method.

35+Years of Engineering
30+Countries Served
60+In-House R&D Engineers
5M+Fan Units Shipped / Year

Production & Delivery

Automated lines, computer-balanced impellers and 100% run-test ensure every LWMPF blower ships ready for installation.

LONGWELL production line and quality control — fan housings, motor assembly and computer-balanced impellers
LONGWELL export packaging and container loading — fans wrapped, crated and loaded into containers for global shipment

Global Market & Client Preference

LWMPF series is the preferred middle pressure blower for HVAC distributors, equipment manufacturers and OEM clients across Europe, the Middle East, Southeast Asia, and South America.

LONGWELL global presence — regional offices and partners in USA, Germany, Spain, Poland, Russia, Turkey, China and Dubai
LONGWELL exhibition displays at international HVAC trade fairs with clients and partners

Trusted by Leading Global HVAC Brands

24+ HVAC OEMs and equipment builders rely on LONGWELL for industrial blowers every year.

LONGWELL trusted global HVAC brand partner logos including Carrier, York, Daikin, Siemens, BYD, TCL, AUX, Gree, Stadler, Systemair, Frico, Kampmann

Complete Range of Professional & Certified

LONGWELL blowers are independently certified to international quality, safety and energy-efficiency standards.

LONGWELL certification badge ribbon: CE, RoHS, ETL, CCC, UL, LVD, EAC, ISO, BSCI
LONGWELL certificate grid: BSCI, CE, UL/ETL, FCC, ISO 45001:2018, ISO 9001:2015, ISO 14001:2015

Frequently Asked Questions

Quick technical answers regarding the LWMPF series middle pressure blower.

What are the main design features of the LWMPF middle pressure blower?

The LWMPF series features a lightweight and corrosion-resistant aluminum alloy housing, an aerodynamic volute casing to reduce turbulence, an all-copper motor for stable power output, and a protective inlet mesh for safety.

What performance ranges do LWMPF blowers offer?

Power ratings range from 90W to 1100W at 2800 r/min, delivering air volumes from ≥4 to ≥19 m³/h and static air pressure from ≥1.17 to ≥3.26 Kpa.

What is the advantage of the aluminum alloy housing?

The durable aluminum alloy housing provides a lightweight construction, excellent corrosion resistance, and reliable long-term performance in demanding industrial settings.

How does the aerodynamic volute casing improve efficiency?

The streamlined volute casing guides airflow smoothly from the inlet to the outlet, helping improve pressure performance and reduce internal flow turbulence.

What is the noise level of the LWMPF series?

Noise levels range from under 55 dB(A) for smaller 90W models up to under 80 dB(A) for the largest 1100W models, ensuring controlled acoustics during operation.

Does LONGWELL support custom voltage or mounting configurations?

Yes. LONGWELL offers comprehensive OEM/ODM support including custom voltage requirements, mounting dimensions, outlet sizing, and private label branding.

Need a Quote or Custom Specs?

Tell us your airflow, static pressure, and installation requirements — our engineers will size the right LWMPF model and quote within 24 hours.

More in this series

LONGWELL EC Centrifugal Blower Fan, Industrial Centrifugal Fan, 110V, Galvanized Steel, for Telecom Cooling, AHU, FFULONGWELL EC Centrifugal Blower Fan, Industrial Centrifugal Fan, 110V, Galvanized Steel, for Telecom Cooling, AHU, FFU110v /220v 24VDC/ 48VDCAC/EC/DC external motorView & InquireLONGWELL 12mm AC Centrifugal Blower Fan, Industrial Centrifugal Fan, 230V, 750 WLONGWELL 12mm AC Centrifugal Blower Fan, Industrial Centrifugal Fan, 230V, 750 W12-12 mm230 V830 rpmSee matching models →LONGWELL 355mm EC Centrifugal Blower Fan, Industrial Centrifugal Fan, PWM Control, Stainless Steel, PWM Control, for Cold Storage, Air Purifiers, HVAC SystemsLONGWELL 355mm EC Centrifugal Blower Fan, Industrial Centrifugal Fan, PWM Control, Stainless Steel, PWM Control, for Cold Storage, Air Purifiers, HVAC SystemsView & InquireLONGWELL AT 10-8L2 Belt-Driven Forward-Curved Centrifugal Blower — 400–9,000 m³/h, up to 1,400 PaLONGWELL AT 10-8L2 Belt-Driven Forward-Curved Centrifugal Blower — 400–9,000 m³/h, up to 1,400 Pa425×443 mm400–9Motor selected to duty — 220/380/415 V availableSee matching models →LONGWELL AT 10-10L Belt-Driven Forward-Curved Centrifugal Blower — 800–10,000 m³/h, up to 1,100 PaLONGWELL AT 10-10L Belt-Driven Forward-Curved Centrifugal Blower — 800–10,000 m³/h, up to 1,100 Pa430×446 mm800–10Motor selected to duty — 220/380/415 V availableSee matching models →LONGWELL 190mm Centrifugal Blower Fan, Industrial Centrifugal Fan, 220V, for AHU, Air Purifiers, HVAC Systems – LWBE3G355LONGWELL 190mm Centrifugal Blower Fan, Industrial Centrifugal Fan, 220V, for AHU, Air Purifiers, HVAC Systems – LWBE3G355220V 230V 400V2800rpmEC external rotor motorView & InquireLONGWELL AT 15-15L2 Belt-Driven Forward-Curved Centrifugal Blower — 1,500–18,000 m³/h, up to 1,500 PaLONGWELL AT 15-15L2 Belt-Driven Forward-Curved Centrifugal Blower — 1,500–18,000 m³/h, up to 1,500 Pa569×609 mm1 m³/hMotor selected to duty — 220/380/415 V availableSee matching models →LONGWELL 630mm EC Centrifugal Blower Fan, Industrial Centrifugal Fan, 400V, Stainless Steel, for Cold Storage, Air Purifiers, HVAC SystemsLONGWELL 630mm EC Centrifugal Blower Fan, Industrial Centrifugal Fan, 400V, Stainless Steel, for Cold Storage, Air Purifiers, HVAC SystemsView & InquireLONGWELL AT 12-9R2 Belt-Driven Forward-Curved Centrifugal Blower — 800–10,500 m³/h, up to 1,250 PaLONGWELL AT 12-9R2 Belt-Driven Forward-Curved Centrifugal Blower — 800–10,500 m³/h, up to 1,250 Pa494×527 mm800–10Motor selected to duty — 220/380/415 V availableSee matching models →LONGWELL AT 12-12R Belt-Driven Forward-Curved Centrifugal Blower — 1,500–13,000 m³/h, up to 1,000 PaLONGWELL AT 12-12R Belt-Driven Forward-Curved Centrifugal Blower — 1,500–13,000 m³/h, up to 1,000 Pa494×527 mm1 m³/hMotor selected to duty — 220/380/415 V availableSee matching models →
Explore related
Free engineering calculators for this fan