Smart Photoelectric Smoke Detector, Intelligent Optical Smoke Sensor, Smart Photoelectric Smoke Alarm, WiFi Photoelectric Smoke Detector, IoT Smart Smoke Sensor
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Quick answer: For solvent stores and paint lines, the WL-FD3 watches a 90-degree cone of view, runs triple-IR sensing, drives volt-free fire relays directly, and ships with a 18-month warranty. Wanlin Fire is a professional fire detection and alarm equipment manufacturer in China, providing OEM, ODM and private-label manufacturing services for fire alarm distributors, electrical wholesalers, fire safety contractors, M&E consultants, facility managers, system integrators, tender specialists and global project customers. Key result: a 39% gross margin gain for importers and trading partners through factory-direct sourcing, per-model CE / RoHS documentation, EN 54 aligned test reports, CPR declaration-of-performance support where applicable and custom private-label programs. Fire detection product lines (WL-series platform) cover photoelectric, heat, multi-sensor, beam, aspirating and duct sensing with conventional, addressable, wireless and interconnected versions, flexible MOQ, shipping FOB, CIF or DDP to EU and global destinations.
Published by Wanlin Fire | Last updated: September 10, 2026 | Expertise: EN 54 aligned fire detection OEM manufacturing for EU and global markets
What started as a request for 500 replacement detectors from a Trading Company Sourcing Manager in Copenhagen became a 6,000-unit framework order after the first container passed inspection. The retrofit project was switching from conventional zones to an addressable loop, which changed both the panel budget and the wiring schedule the consultant had drawn.
After reviewing quotes from three countries, Petra Novak selected Wanlin Fire as their fire detection equipment manufacturing partner. Documentation decided it: EN 54 aligned files, the CE technical file and a declaration of conformity draft arrived with the samples, ready for the market authority.
Field engineers in Copenhagen mounted the units, labelled every address point, ran the walk-test, and left the facility team with a one-page maintenance checklist.
The fastest way to filter suppliers in Denmark is to ask for a smoke box test report, a CE technical file and a spare parts price list, not a brochure. A solvent store in Copenhagen relied on heat rise alone; by the time a sprinkler fused, the flash fire had already spread across the bunded area.
Field case: A chemical handler in Copenhagen mounted UV/IR flame detectors over the transfer bay; the response measured in the acceptance test was under a second, and the insurer accepted the scheme.
Why it matters for EU buyers:
Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own fire detection product lines for European markets. Our customization capabilities include:
Whether you need an existing WL-series device under your own brand or a customized detection line developed for your market, our team can work with you from model selection through mass production.
Each Wanlin Fire device pairs a calibrated sensing stage with a supervised circuit design, so installers can wire, test and hand over one platform instead of five different product families.
Core Features:
| Parameter | Wanlin Fire Specification |
|---|---|
| Detection principle | UV/IR dual-sensor |
| Response time | Under 500 milliseconds to a test flame |
| Cone of view | 120 degrees |
| False source rejection | Welding arcs, halogen lamps and sunlight flicker |
| Outputs | Fire relay plus fault relay, volt-free |
| Addressable option | Loop interface module for point reporting |
| Housing | Stainless steel housing with sight window |
| Enclosure rating | IP66 |
| Maintenance | Self-test with window contamination reporting |
| Applications | Solvent stores, paint shops, fuel transfer bays |
| Temperature range | -40 to 85 degrees Celsius |
| Warranty | 12-month |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Solvent stores | WL-FD3 | Optical response sees the flash before heat rises through the bund |
| Paint workshops | WL-FD3 | Arc and lamp rejection keeps the line running without taped-over heads |
| Fuel transfer bays | WL-FD3 | Sub-second relay outputs drive deluge and shutdown systems |
| Aerosol warehouses | WL-FD3 | The self-test flags window film before dust blinds the sensor |
Certification is one of the most important considerations when sourcing fire detection equipment for export. Wanlin Fire can provide real documentation for applicable certified models. Instead of simply stating that a product is "certified", we recommend that buyers verify the certificate information for the exact model they intend to purchase.
| Information | Details |
|---|---|
| Product | Fire Detection and Alarm Equipment (WL-series Platform) |
| Model Number | WL-FD3 |
| Standard | EN 54 parts aligned per device class (EN 54-2 / -3 / -4 / -5 / -7 / -11 / -12 / -17 / -18 / -20 / -23 / -25 as applicable), EN 14604 and EN 50291 for domestic alarms, CE / RoHS / REACH on applicable models, UKCA option |
| CPR / DoP Support | Declaration of performance templates and technical file support where EU 305/2011 applies to the product class |
| Test Reports | EN 54 aligned smoke box, heat chamber and panel soak test reports per batch |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | EU / EEA / United Kingdom / global export |
| Certificate Status | Valid for applicable models |
| Certificate Document | View / download on request |
For customers importing fire detection equipment, Wanlin Fire supports CE, RoHS and REACH documentation with per-model files, EN 54 aligned test reports for the applicable device classes, and CPR declaration-of-performance support where EU 305/2011 applies. UKCA options follow the UK route on request. Final acceptance always rests with the market authority having jurisdiction for each product class, and we recommend the importer of record verifies the exact model before ordering.
Wanlin Fire is a Shenzhen-based manufacturer of EN 54 aligned fire detection equipment that combines factory-direct pricing with CE / RoHS documentation, CPR support where applicable and export documentation service.
| Factor | Wanlin Fire | Typical Trading Supplier | European Brand Distributor |
|---|---|---|---|
| Manufacturing depth | China-based factory, in-house SMT, chamber assembly, smoke box and panel soak tests | Trading company, outsourced assembly | Brand owner, no custom work |
| Document transparency | Real CE files, EN 54 aligned test reports, DoP support for applicable models | Incomplete or missing, customs risk | Brand-level only, no project docs |
| Customization | Custom logo, part numbers, sensitivity grades, languages, packaging, private label from low MOQ | Limited to stock models, higher MOQ | No customization, fixed SKUs |
| Price (factory direct) | Competitive factory pricing with tiered discounts | Low price but quality risk | Brand markup of 2-4x |
| Delivery reliability | Confirmed production slots, batch inspection photos, 25-40 day lead times | Unpredictable, no QC access | Stock-dependent, allocation risk |
| After-sales | Spare sensing chambers, sounder cones, panel boards, firmware support | No after-sales, high failure risk | Limited, ticket-based support |
Wanlin Fire's fire detection OEM services are suitable for: fire alarm distributors, electrical wholesalers, fire safety contractors, M&E consultants, facility management buyers, system integrators, building services engineers, property portfolio managers, security systems resellers, electrical contractors, housing associations, hotel group facilities teams, data center engineers and trading company sourcing managers across the EU, EEA, UK and global markets.
The OEM process for a Denmark importer starts with a market and standard survey, then moves to samples, container QC and documentation onboarding. A standard OEM project then follows 8 steps:
Importers who moved from brand reselling to factory-direct supply in Denmark usually mention the same shift.
A: Open-flame risk areas need response in the first seconds, before smoke and heat fill the space. Optical flame sensing answers that window; smoke and heat devices answer the room afterwards.
A: The dual UV/IR or triple IR logic matches the flicker and spectral signature of a real hydrocarbon flame. Welding arcs and sunlight carry the wrong pattern and fail the test.
A: The detector runs an internal source check and reports window contamination, so the maintenance visit replaces the lens before dust blinds the sensor instead of after a missed event.
A: Yes, through the loop interface module the detector appears as a point address with fire and fault states, while the volt-free relays drive local shutdown equipment directly.
A: Ex-rated variants follow project review and are quoted per site with the applicable documentation; buyers confirm the zone classification during the specification call.
Key result: By working directly with manufacturer Wanlin Fire, Copenhagen Trading Company Sourcing Manager Petra Novak achieved 39% higher margins while offering competitive pricing. With verified documentation support, honest specifications, EN 54 aligned device classes, custom private-label configurations and after-sales spare programs, Wanlin Fire has become their trusted fire detection OEM and ODM manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com