CE Certified Roots Blower

A CE certified roots blower meets the European Union's health, safety, and environmental protection standards. CE marking is mandatory for equipment sold in the EU and demonstrates compliance with Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and EMC Directive 2014/30/EU. For roots blowers used in potentially explosive atmospheres, ATEX certification is also required.

Based on export experience across European markets, CE certification is not just a regulatory requirement – it's a mark of quality and safety. Manufacturers who invest in CE certification typically have better quality control and documentation. But not all CE markings are equal. Understanding what CE certification actually requires helps you verify genuine compliance.

This guide covers CE requirements for roots blowers, key directives, documentation, and procurement considerations for European projects.

Table of Contents

• What Is a CE Certified Roots Blower?

• Key EU Directives for Roots Blowers

• CE Marking Requirements

• ATEX Certification for Hazardous Areas

• Documentation and Technical File

• Verification of CE Compliance

• Benefits of CE Certification

• Common Problems and Troubleshooting

• Selection Guide

• Cost Factors and Pricing

• Procurement Considerations

• Frequently Asked Questions

• Final Thoughts

What Is a CE Certified Roots Blower?

A CE certified roots blower is a rotary lobe machine that complies with European Union directives and carries the CE marking. CE marking indicates that the equipment meets EU health, safety, and environmental protection standards.

CE certification involves:

• Compliance with Machinery Directive (2006/42/EC)

• Compliance with Low Voltage Directive (2014/35/EU)

• Compliance with EMC Directive (2014/30/EU)

• Technical documentation and risk assessment

• Declaration of Conformity

• CE marking on the equipment

Based on export records, CE certification is required for roots blowers sold in the EU, EEA, and many other markets that accept CE marking. It is not optional – equipment without CE marking cannot be legally placed on the EU market.

Key EU Directives for Roots Blowers

Machinery Directive 2006/42/EC:

• Applies to all machinery, including roots blowers

• Requires risk assessment and hazard analysis

• Requires technical documentation

• Requires Declaration of Conformity

• Requires CE marking

Low Voltage Directive 2014/35/EU:

• Applies to electrical equipment (50–1000V AC)

• Requires electrical safety compliance

• Requires proper insulation and protection

• Requires documentation

EMC Directive 2014/30/EU:

• Applies to electromagnetic compatibility

• Requires emission limits

• Requires immunity testing

• Requires documentation

ATEX Directive 2014/34/EU (for hazardous areas):

• Applies to equipment in potentially explosive atmospheres

• Requires explosion-proof design

• Requires certification by notified body

• Requires marking and documentation

CE Marking Requirements

For a roots blower to carry CE marking:

1. Risk assessment.
Manufacturer must identify all hazards associated with the blower:

• Mechanical hazards (rotating parts, high pressure)

• Electrical hazards (motor, wiring)

• Thermal hazards (high temperature)

• Noise hazards (high sound level)

• Ergonomic hazards (maintenance access)

2. Compliance with harmonized standards.
The blower must meet relevant harmonized standards:

• EN 1012-1: Compressors and vacuum pumps (safety requirements)

• EN 60204-1: Electrical equipment of machines

• EN ISO 12100: Risk assessment and risk reduction

• EN 809: Pumps and pump units (safety)

3. Technical documentation.
Manufacturer must prepare a technical file:

• General description of the blower

• Design and manufacturing drawings

• Risk assessment

• Test reports

• Installation and maintenance instructions

• Declaration of Conformity

4. Declaration of Conformity.
Manufacturer must issue a Declaration of Conformity:

• Identifies the manufacturer

• Identifies the equipment

• Lists applicable directives and standards

• Signed by authorized representative

5. CE marking.
CE marking must be affixed to the equipment:

• Visible, legible, and indelible

• Minimum height 5mm

• Must include the notified body number (if applicable)

ATEX Certification for Hazardous Areas

When is ATEX required?
ATEX certification is required when roots blowers are used in potentially explosive atmospheres:

• Gas groups: IIA (propane), IIB (ethylene), IIC (hydrogen, acetylene)

• Dust groups: IIIA (combustible dust), IIIB (conductive dust), IIIC (non-conductive dust)

• Zones: Zone 1, Zone 2 (gas); Zone 21, Zone 22 (dust)

ATEX equipment categories:

• Category 2: Zone 1 (gas) or Zone 21 (dust) – high level of protection

• Category 3: Zone 2 (gas) or Zone 22 (dust) – normal level of protection

ATEX requirements for roots blowers:

• Explosion-proof motor (Ex d, Ex e, Ex n)

• Spark-resistant rotors (aluminum, bronze)

• Grounding of all components

• Temperature monitoring (T-class)

• Gas-tight seals (for gas applications)

• Documentation (ATEX certificate from notified body)

Based on chemical plant records, ATEX certification adds 15–30% to blower cost but is mandatory for hazardous area applications.

Documentation and Technical File

A complete CE technical file includes:

1. General documentation:

• Product name and description

• Intended use and operating conditions

• Technical specifications

• Dimensional drawings

2. Risk assessment:

• Hazard identification

• Risk evaluation

• Risk reduction measures

• Residual risk assessment

3. Compliance documentation:

• Declaration of Conformity

• Test reports (ISO 1217, etc.)

• Electrical schematics

• Component certifications (motor, etc.)

4. User documentation:

• Installation instructions

• Operating instructions

• Maintenance instructions

• Safety warnings

• Spare parts list

5. Manufacturer information:

• Manufacturer name and address

• Authorized representative (if applicable)

• Contact information

Verification of CE Compliance

How to verify a CE certified roots blower:

1. Check the CE marking.

• Is it on the equipment?

• Is it visible and legible?

• Is it at least 5mm high?

• Does it look genuine? (not a sticker that could be counterfeit)

2. Request the Declaration of Conformity.

• Is it provided?

• Does it list the correct directives?

• Is it signed by the manufacturer?

• Does it identify the equipment correctly?

3. Request the technical file.

• Is it available?

• Does it include risk assessment?

• Does it include test reports?

• Does it include drawings?

4. Check certification bodies.

• Is ATEX certification included (if applicable)?

• Is the notified body listed?

• Is the certificate current?

5. Verify with the manufacturer.

• Is the manufacturer reputable?

• Can they provide references?

• Have they exported to Europe before?

Based on procurement experience, genuine CE certification is backed by complete documentation. Zhanggu and other established manufacturers provide full CE documentation with their blowers.

Benefits of CE Certification

For buyers:

• Legal compliance for EU market

• Reduced liability

• Safety assurance

• Quality indicator

• Easier installation and commissioning

• Reduced risk of accidents

For manufacturers:

• Market access to EU and many other markets

• Reduced liability

• Demonstrated quality

• Competitive advantage

• Increased customer confidence

For projects:

• Faster customs clearance

• Easier plant acceptance

• Simplified insurance

• Reduced project risk

Common Problems and Troubleshooting

Selection Guide

Step 1 – Determine EU market requirements.
CE marking mandatory for all EU applications. ATEX required for hazardous areas. Verify specific requirements with local authorities.

Step 2 – Verify manufacturer CE compliance.
Request Declaration of Conformity and technical file. Verify with notified body if ATEX required.

Step 3 – Check application requirements.
Pressure, flow, temperature, gas composition. ATEX zone if hazardous. Noise limits. Environmental conditions.

Step 4 – Specify CE requirements in purchase order.
CE marking, Declaration of Conformity, technical file, ATEX certificate (if required). List all directives and standards.

Step 5 – Verify documentation before shipment.
Request documentation before payment. Verify all certificates are current and correct.

Common selection mistakes for CE certified roots blower:

• Assuming all manufacturers provide genuine CE certification

• Not verifying ATEX requirements

• Accepting incomplete documentation

• Not requesting technical file

• Ordering without CE requirements specified

Cost Factors and Pricing

CE certification cost impact (100 HP class, 2026):

Complete CE certified package (100 HP blower):

• CE certified blower: $9,000–12,000

• IE3 motor (CE certified): included

• CE documentation: included

• Silencers (CE certified): $1,200–1,800

• VFD (CE certified): $4,000–6,500

• Total FOB: $14,500–20,500

ATEX certified package (100 HP blower):

• ATEX blower: $12,000–19,000

• ATEX motor: included

• ATEX documentation: included

• Silencers: $1,500–2,500

• Total FOB: $16,000–25,000

Procurement Considerations

When requesting quotes for CE certified roots blower:

1. Specify CE marking requirements.
Machinery Directive, Low Voltage Directive, EMC Directive. List all applicable directives.

2. Specify ATEX requirements (if applicable).
Zone classification, gas group, temperature class. ATEX Category 2 or 3.

3. Request Declaration of Conformity.
Verify directives and standards. Check signature and date.

4. Request technical file.
Risk assessment, test reports, drawings, manuals.

5. Verify notified body (ATEX).
Check certification body is recognized. Verify certificate is current.

6. Specify documentation language.
English or local language. Request translations if needed.

7. Verify with manufacturer.
Check references. Verify export experience to Europe.

Red flags when sourcing CE certified roots blower:

• Manufacturer cannot provide Declaration of Conformity

• CE marking looks counterfeit

• Cannot provide technical file

• ATEX certificate from unknown notified body

• Unfamiliar with European directives

Frequently Asked Questions

1. What does CE certification mean for a roots blower?
CE certification means the roots blower meets European Union health, safety, and environmental protection standards. It demonstrates compliance with Machinery Directive, Low Voltage Directive, and EMC Directive. CE marking is mandatory for equipment sold in the EU and many other markets.

2. Which directives apply to roots blowers?
Machinery Directive 2006/42/EC (safety), Low Voltage Directive 2014/35/EU (electrical safety), and EMC Directive 2014/30/EU (electromagnetic compatibility). For explosive atmospheres, ATEX Directive 2014/34/EU also applies.

3. What documents are required for CE certification?
Declaration of Conformity, technical file (risk assessment, test reports, drawings), installation and maintenance instructions, and CE marking on the equipment. For ATEX, a certificate from a notified body is required.

4. Is ATEX certification required for all CE certified blowers?
No – ATEX is only required when the blower is used in potentially explosive atmospheres (gas or dust). For standard industrial applications, ATEX is not required. Check your application for explosive hazards.

5. How do I verify CE certification?
Request the Declaration of Conformity and technical file. Check the CE marking on the equipment. Verify with the manufacturer or notified body. For ATEX, verify the certificate with the notified body.

6. What is the Declaration of Conformity?
The Declaration of Conformity is a legal document issued by the manufacturer stating that the equipment meets all applicable EU directives. It must identify the manufacturer, equipment, directives, standards, and be signed by an authorized representative.

7. How much does CE certification cost?
CE certification adds 5–10% to blower cost (documentation, testing). ATEX certification adds 15–30% (notified body certification, explosion-proof components). The cost depends on the manufacturer and complexity.

8. Can a non-CE blower be used in the EU?
No – CE marking is mandatory for equipment placed on the EU market. Equipment without CE marking cannot be legally installed or operated in the EU. Importers and end users are responsible for compliance.

9. What is the technical file?
The technical file is the documentation that demonstrates CE compliance. It includes risk assessment, design drawings, test reports, installation instructions, and maintenance instructions. It must be kept for at least 10 years after the last equipment is manufactured.

10. How do I check if a manufacturer is CE certified?
Request the Declaration of Conformity. Check the manufacturer's website for CE certification. Ask for references from European customers. Zhanggu and other established manufacturers provide CE documentation.

11. What is the difference between CE and ATEX?
CE is general safety certification for the EU market. ATEX is specific certification for equipment used in potentially explosive atmospheres. ATEX is required in addition to CE for hazardous area applications.

12. How long does CE certification take?
Depends on the manufacturer and complexity. Standard CE certification: 4–8 weeks. ATEX certification: 8–16 weeks (notified body involvement). Plan ahead for EU projects.

13. Is CE certification accepted outside the EU?
Many countries accept CE marking as evidence of compliance (e.g., EFTA countries, Turkey, some Middle East countries). Check with local authorities for specific requirements. CE marking is not universally accepted.

14. What is the notified body?
A notified body is an organization designated by an EU member state to assess conformity of equipment. For ATEX, the notified body issues the certificate. The notified body number appears on the ATEX certificate and CE marking.

15. How do I handle CE certification for custom blowers?
Custom blowers must also be CE certified. The manufacturer must include custom components in the risk assessment and technical file. Specify CE requirements in the purchase order. Verify documentation before shipment.

Final Thoughts

After sourcing CE certified roots blowers for European projects, here is my practical advice:

CE certification is mandatory for EU projects. Do not accept equipment without CE marking. The liability for non-compliant equipment falls on the importer and end user. Request the Declaration of Conformity and technical file before shipment.

Verify, don't assume. Not all CE markings are genuine. Some manufacturers affix CE marking without proper certification. Request documentation and verify with notified bodies. Zhanggu and other established manufacturers provide complete CE documentation.

Plan for ATEX if needed. Hazardous area applications require ATEX certification. ATEX adds 15–30% to cost and 8–16 weeks to lead time. Plan ahead. Specify ATEX requirements clearly in the purchase order.

Documentation is as important as the equipment. The technical file, Declaration of Conformity, and ATEX certificate (if applicable) are required for installation and operation. Without documentation, the equipment cannot be legally operated in the EU.

The bottom line. CE certified roots blowers are the only option for European projects. The certification demonstrates safety and quality compliance. Work with established manufacturers who understand the requirements. Specify CE requirements clearly. Verify documentation. The extra effort ensures legal compliance and project success.