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ATEX Explosion Proof API 610 High Speed Centrifugal Pump Zone 1 Hazardous Area

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ATEX Explosion Proof API 610 High Speed Centrifugal Pump Zone 1 Hazardous Area

IECEx Certification : Ex h IIB T3 Gb

Supply Ability : 8 Sets per Month

Maximum Head : 914 m (3,000 ft)

Maximum Flow : 85 m³/h (375 GPM)

Motor Certification : Ex d IIB T3 (Flameproof)

Design Standard : API 610 OH6

Seal System : API 682 Plan 53B Pressurized Dual

Payment Terms : T/T,L/C

Certification : ISO 9001:2015, ATEX II 2G Ex h IIB T3 Gb, API 610

NACE Compliance : MR0175/ISO 15156 Available

Packaging Details : Export Plywood Case, ATEX Documentation Package, Nitrogen-Purged

Hazardous Zone Rating : Zone 1 and Zone 2

Price : Negotiation

ATEX Certification : II 2G Ex h IIB T3 Gb

MOQ : 1 Set

Brand Name : Sunstrand

Temperature Class : T3 (200°C Maximum Surface)

Model Number : ATEX-HSCP-610

Place of Origin : China

Delivery Time : 75 Days

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ATEX Explosion Proof API 610 High Speed Centrifugal Pump Zone 1 Hazardous Area
ATEX Explosion Proof API 610 High Speed Centrifugal Pump for Hazardous Area Service

Our journey into ATEX-certified rotating equipment manufacturing began in 2014 when a major European refinery operator challenged us to develop an API 610 OH6 pump package with full ATEX Directive 2014/34/EU compliance for a Zone 1 classified hydroprocessing unit. Since delivering that first certified unit—which has now accumulated over 40,000 operating hours without a single safety-related incident—we have expanded our hazardous area pump portfolio through systematic investment in ATEX competency training for our engineering, manufacturing, and quality assurance teams.

Our current ATEX-certified pump program is supported by a dedicated hazardous area compliance engineer holding CompEx Foundation certification, a documented ignition hazard assessment methodology, and an established relationship with an EU-notified body (SGS Baseefa) for conformity assessment and ongoing surveillance audits.

The explosion proof pump certification process follows a rigorous technical file compilation procedure that we have refined through 8 years of continuous notified body interaction. Each pump variant undergoes a formal ignition hazard assessment per EN 80079-36 evaluating 13 potential ignition sources identified in the standard—including hot surfaces, mechanically generated sparks, static electricity, stray electric currents, and adiabatic compression—under both normal operation and reasonably foreseeable malfunction conditions.

Technical Specifications
Parameter Specification Certification Reference
ATEX Marking (Pump Assembly) II 2G Ex h IIB T3 Gb EU-Type Examination Certificate
IECEx Certification Ex h IIB T3 Gb IECEx Certificate of Conformity
Applicable Zones Zone 1 (Category 2G) and Zone 2 (Category 3G) Per ATEX Directive Annex I
Temperature Class T3 (200°C maximum surface temperature) Verified by temperature rise testing
Gas Group IIB (Representative gas: ethylene) EN 80079-36 Clause 5.2
Pump Design Standard API 610 12th Ed., OH6 Category Design per API 610 Annex A
Maximum Flow Rate 85 m³/h (375 GPM) Performance test on record
Maximum Differential Head 914 m (3,000 ft) Deadweight-tested transmitters
Motor Certification Ex d IIB T3 Gb (Flameproof Enclosure) Separate motor ATEX certificate
Coupling ATEX-Certified, Anti-Static, Spark-Free Manufacturer's ATEX Declaration
NACE Sour Service Option MR0175/ISO 15156 Compliant Material certification per NACE
Hazardous Area Compliance Engineering
  • Systematic Ignition Hazard Assessment Process: Our documented ignition hazard assessment methodology—developed in consultation with our notified body and refined through application on over 60 ATEX pump projects—systematically evaluates each potential ignition source using a structured checklist aligned with EN 80079-36 Table 2. For hot surface hazards, we perform a worst-case temperature rise analysis considering maximum process fluid temperature, bearing friction heat generation under degraded lubrication, and mechanical seal face heat generation under dry running conditions.
  • Component-Level ATEX Compliance Management: Based on our practical experience managing ATEX supply chains, every component incorporated into the explosion proof pump assembly—motor, coupling, instruments, cable glands, seal support system components—is sourced with its own valid ATEX or IECEx certificate. Our quality assurance team maintains a controlled register of component certificates with expiration date tracking, ensuring that production units always incorporate currently certified components.
  • ATEX-Specific Manufacturing Controls: Our production procedures for ATEX-certified pumps include specific controls that we developed based on lessons learned from notified body audit findings: critical flamepath dimensions on bearing housings and seal chambers are measured and recorded on dimensional inspection reports; all non-metallic components are verified to have surface resistivity below 1 GΩ to prevent static charge accumulation; and the complete pump assembly undergoes a final ATEX compliance verification checklist signed by our hazardous area compliance engineer.
  • Lifetime ATEX Compliance Support: Recognizing that ATEX certification validity extends throughout the equipment's operational life, we provide a comprehensive user manual with specific maintenance procedures, approved spare parts listings, and inspection intervals required to maintain the validity of the ATEX certification. Our service engineers are trained in ATEX maintenance requirements, and we offer post-overhaul re-certification inspection services.
Frequently Asked Questions
Q1: Does your ATEX certification cover the complete pump package including motor, coupling, and instrumentation?
A1: Yes, this is a critical point based on our experience with end-user HSE acceptance processes. Our ATEX certification covers the complete pump assembly, not just the bare pump. The technical file submitted to and approved by our notified body includes the pump casing and rotating assembly, the flameproof motor (with its own ATEX certificate incorporated by reference), the anti-static flexible coupling (with manufacturer's ATEX declaration), the API 682 seal support system, and all instrumentation and sensors mounted on the pump package. A single EU Declaration of Conformity is provided covering the complete assembly, which simplifies the end-user's hazardous area equipment register documentation and eliminates the need to manage multiple separate certificates for individual components.
Q2: What happens if we need to replace a component during the pump's operational life—does this affect the ATEX certification?
A2: This is a question we address proactively in our user manual based on our understanding of ATEX lifecycle requirements. Replacement of consumable wear components with genuine manufacturer-supplied spare parts manufactured to the same specifications documented in the technical file does not affect the ATEX certification validity. The critical requirement is that replacement components must be identical in material, dimensions, and surface finish to the originally certified components. We maintain a controlled spare parts list in the user manual identifying which parts are ATEX-critical and must only be replaced with genuine manufacturer parts versus standard industrial components that may be sourced locally provided they meet the material and dimensional specifications documented in the manual.
Q3: Can the pump be supplied with IIB+H2 or IIC gas group certification for hydrogen-containing atmospheres?
A3: Based on our engineering assessment and discussions with our notified body, the standard IIB T3 certification can be upgraded to IIB+H2 (suitable for atmospheres containing hydrogen) or IIC (suitable for acetylene and carbon disulfide) through supplementary assessment. The upgrade requires: re-evaluation of flamepath gap dimensions on all flameproof enclosures against the more restrictive IIC requirements; additional temperature monitoring points with lower alarm thresholds to maintain the required temperature class; and specific material selection for components exposed to hydrogen to address hydrogen embrittlement concerns per API 941. We have supplied IIC-certified pumps for hydrogen recycle service in hydroprocessing units and can provide a detailed technical proposal including the modified certification scope, cost impact, and schedule extension during the project engineering phase.

Product Tags:

ATEX Explosion Proof Pump

      

API 610 High Speed Centrifugal

      

Hazardous Area Process Pump

      
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