Dianbida Power Equipment (Jiangsu) Co., Ltd.
+86 18112146366
Contact Us

    Address: No. 23, Nanhuan Road, Jiangdu District, Yangzhou City, Jiangsu Province

    Phone: +86 18112146366

    Fax : +8618112146366

    Email:dianbidapower@gmail.com

 

Silent Diesel Generator Set with Low Noise Engineering Design

 

Silent diesel generator sets are designed for applications where noise control is critical. Compared with open-type generators, they are equipped with acoustic enclosures and optimized airflow systems to significantly reduce operating noise while maintaining stable industrial power output.

 

They are widely used in urban construction, commercial buildings, hospitals, data centers, and residential backup power systems where environmental noise restrictions are required.

 

 
 

Noise Engineering Classification

 

STANDARD SILENT TYPE (70–75 DB @ 7M)

 

Designed for general industrial and commercial backup applications where noise limitation is required but not strict.
Engineering Characteristics:
Single-layer acoustic enclosure structure
Basic intake/exhaust silencing system
Standard vibration-damping base
Natural ventilation cooling system
Best Suited For:
Construction auxiliary power
Small factories and workshops
Temporary commercial installations

LOW NOISE TYPE (65–70 DB @ 7M)

 

Designed for environments with moderate noise restrictions and urban operation requirements.
Engineering Characteristics:
Reinforced double-layer soundproof canopy
Optimized airflow noise suppression channel
Improved exhaust muffler system
Enhanced vibration isolation mounting
Best Suited For:
Urban construction sites
Hotels and office buildings
Small hospitals and clinics
Night-time operation projects

ULTRA SILENT TYPE (60–65 DB @ 7M)

 

Designed for strict noise control environments and long-hour operation in sensitive areas.
Engineering Characteristics:
Multi-layer composite acoustic insulation structure
Labyrinth-type air inlet/outlet system
Industrial-grade low-noise muffler system
High-density vibration isolation base frame
Best Suited For:
Residential backup power
Data centers and IT facilities
High-end commercial complexes
Government and public infrastructure

 

Silent vs Open Type Comparison

 

Feature

Silent Diesel Generator

Open Type Generator

Noise Level

60–75 dB

90–110 dB

Structure

Acoustic enclosure system

Open steel frame

Application

Urban / sensitive areas

Industrial open sites

Installation

Enclosed, protected

Open access design

Cost Level

Higher

Lower

Customization Options

 

Item

Options

Noise Level

70 / 65 / 60 dB (design-based enclosure levels)

Enclosure Type

Standard silent canopy / Reinforced / Ultra-silent

Protection Level

IP23 / IP44 / IP54

Engine Type

4-cylinder / 6-cylinder / V-type (power-based selection)

Alternator

Brushless alternator (matched to power rating)

Starting System

Electric start / ATS automatic transfer

Control System

Standard panel / PLC control system

Cooling System

Standard radiator / High-temperature reinforced system

Fuel Tank

Base tank / Extended fuel tank

Voltage Output

400V / 380V / 11kV

System Integration

Standalone / ATS / Parallel operation

 

Technical Parameters

 

Item

Specification

Power Range

10 kW – 1500 kW

Noise Level

Low-noise design (customizable)

Voltage

220V / 380V / 400V / 415V

Frequency

50 Hz / 60 Hz

Operating Mode

Standby / Prime

Cooling System

Radiator cooling

Starting Method

Electric start

Note: Specifications can be customized based on project requirements.

 

Comparing Noise Levels

 

Generator Type

Noise Level (dB)

Quiet Diesel Generator

50–60 dB

Standard Diesel Generator

70–80 dB

Conventional Diesel Generator

80–100 dB

 

Packaging & Shipping

 

Lead Time

15–25 working days

Packaging

Generators are packed with shockproof, plywood, and waterproof materials to prevent damage during transportation

Payment Method

T/T, Trade Assurance, Paypal, Western Union, Credit Card, L/C etc.

Shipping

Sea freight, air freight, and express delivery options are available

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Our Certificates

 

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FAQ

 

Q: What noise level should I choose for my project?

A: The selection depends on the installation environment and local noise restrictions. Standard silent types are typically around 70–75 dB, low noise types around 65–70 dB, and ultra silent types can reach 60–65 dB. The final noise level is determined by the acoustic enclosure design rather than engine adjustment.

Q: Does the silent enclosure affect cooling or performance?

A: No. Silent generator sets are designed with structured airflow channels and ventilation openings to ensure engine cooling is maintained while sound is absorbed and redirected through the enclosure design.

Q: Can silent diesel generators run continuously at night?

A: Yes. Ultra-silent models are suitable for long-hour operation in low-noise environments such as residential areas, hospitals, and urban construction sites where night operation is required under noise control regulations.

Q: What is the difference between the standard silent and the ultra silent types?

A: The difference is mainly in the enclosure structure and sound insulation level. Standard silent types use a single-layer acoustic design, while ultra-silent types use multi-layer insulation and enhanced airflow noise control for stricter noise reduction requirements.

Q: Can this generator be used in residential or urban areas?

A: Yes. Silent diesel generators are specifically designed for environments close to people or buildings, where noise restrictions are required. Lower noise configurations are commonly used in these scenarios to meet regulatory limits.

Q: How is noise reduction achieved in silent generators?

A: Noise reduction is achieved through acoustic enclosure structure, airflow path design, vibration isolation between engine and frame, and exhaust silencing systems, all working together as a complete engineering solution.

Q: Can multiple units operate together in one system?

A: Yes. Silent generator sets can be configured with parallel operation systems, allowing multiple units to share load and operate as a combined power system for higher capacity applications.

Q: What should be considered when selecting a silent generator?

A: Selection is mainly based on required noise level, installation environment, operating time (day or night use), distance from sensitive areas, and total load requirement to ensure compliance and stable operation.

We're well-known as one of the leading silent diesel generator set manufacturers and suppliers in China. We warmly welcome you to buy advanced silent diesel generator set at competitive price from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.

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