TL;DR: Water on the fire is the only thing that changes the outcome in a lithium battery shelter fire, so the Solenoid Valve and Pump Set is specified from the nozzle layout rather than picked from a catalogue. Wanlin Fire is an e-bike shelter fire suppression manufacturer and export supplier in China, covering solenoid valve and pump linkage unit plus the flame detection, wireless control, valve and pump, nozzle layout and monitoring parts that a two-wheeler parking shelter needs. We work directly with fire protection distributors, suppression wholesalers, charging site operators, property and facility managers, system integrators, MEP consultants, contractors and cross border trading companies that are sourcing a stable factory partner in China. The outcome: project pricing has been leaving roughly 31% of headroom after freight and duty through factory direct sourcing, per-model documentation, layout drawings with stated duties and flexible MOQ with long-term partner stock programs. Evaluation took 14 days and covered a detection test in a real shelter, a discharge test with the zone isolated, and a review of the pump duty against the measured supply.
Published by Wanlin Fire | Last updated: September 18, 2026 | Expertise: e-bike and e-scooter shelter fire detection, wireless actuation, water based suppression, pump sizing and export manufacturing

What brought this buyer to us was an insurance renewal, not a project. The surveyor had walked the parking area, written one line about battery charging, and left the client with a condition to clear.
The insurers had started asking for evidence of testing rather than evidence of purchase, and that change is what moved this project.
Two suppliers offered detection. Only one offered to state the delay to actuation as a settable value, which is what the consultant had asked for. Kwame Mensah signed off the first Solenoid Valve and Pump Linkage Unit order covering 10 shelter sites in Egypt, and the specification was rebuilt around detection logic, coverage and the measured water supply rather than around a brand name.
A 14 day trial on one bay block settled the detection question faster than every email exchange before it. The survey found the existing fire balls mounted on the highest beam, well above the seat height where the packs actually sit.
Battery fires in parking shelters fail on time, not on fuel. The gap between the first cell venting and the row going up is measured in seconds, and no manual response fits inside it.
Zoning decides whether one shelter fire floods the whole compound, and it is a design decision rather than a device feature.
Field case: A Cairo site specified a pump from the shelter area and discovered at commissioning that it could not feed half the nozzles in the layout.
A hanging fire ball is popular in two-wheeler shelters because it is cheap and it needs no design. It functions when flame reaches the sphere. That single condition is the problem, because a lithium pack fails at seat height under a seat, and the fire has to travel to the device before anything happens. A shelter fire does not wait for that trip.
We sell water based systems, so we have an interest in this comparison and we state it plainly. The honest argument is not that powder does nothing. It is that a one shot device with no cooling and a short reach does not fit a fire that propagates along a row of fuel.
The sequence is short on purpose, because the whole argument for automatic suppression in a shelter is that it happens before anyone can be involved.
The delay to actuation and the run period are configuration values, not factory defaults nobody has checked. Both are stated in writing with the project drawings, and both can be set to what the local code expects.
Supply is the part of a shelter design that decides whether the layout is real. A drawing that the water cannot feed is a drawing, and the most common specification error in this category is a pump selected from the shelter floor area instead of from the nozzle count and the spray duty.
Wanlin Fire is recruiting local partners for two-wheeler shelter protection. Our cooperation models are written for three kinds of buyer: the distributor holding stock and service in their own market, the trading company consolidating across several product lines, and the project buyer answering a performance clause on a tender. Because detection, control, valve and pump and the nozzle set ship from one factory, a partner can fill a container with a complete shelter configuration under a single bill of lading.
Partners across North America, Europe, Asia-Pacific, the Middle East, Africa and Latin America run this model today. Cross border trading companies looking for a source factory are welcome to start with a sample shelter kit and move to container volume once their own market testing is done.
What follows is the actual specification, written as the values we confirm in writing for a project rather than as a range of numbers. Water on the fire is the only thing that changes the outcome in a lithium battery shelter fire, so the Solenoid Valve and Pump Set is specified from the nozzle layout rather than picked from a catalogue.
The shelter range covers the flame detection camera, the wireless control module, the zoned solenoid valve with the pump set or the tank and booster arrangement, the rotary nozzles, the bracket and pipe set, and the monitoring option, so one shelter is protected by one configuration rather than by parts assembled from several suppliers. Part numbers are issued per configuration and stated on the datasheet supplied with the quotation.
| Parameter | Wanlin Fire Specification |
|---|---|
| System reference | Solenoid Valve and Pump Set |
| Product category | Solenoid valve and pump linkage unit for shelter sprinkler supply |
| Detection method | Actuated by the control module on a confirmed flame event, with manual release input retained |
| Wireless link | Controlled by the wireless control module, no field wiring between shelter and pump position |
| Water supply and actuation | Pump draws from a municipal main where one is available, or from a tank and booster set where it is not |
| Alarm and reporting behaviour | Valve open, pump running, low pressure and power fault supervision reported to the control module |
| Housing and mounting | Pump set installed in a plant position or a locked cabinet, with the shelter valve on the riser |
| System topology | Wireless link between camera, control module and pump set, with a wired route used where the site already has conduit in place |
| Configuration and firmware | Detection zone, sensitivity band, delay to actuation and test interval set at commissioning, with firmware update path per configuration |
| Export documentation support | Technical file prepared to support local code submittals and national registration by the importer of record, including CE, UKCA, UL and FM route file sets where they apply |
| Certification documents | CE and RoHS documentation per applicable model, certificate number provided on request |
| OEM and ODM options | Logo, part number, packaging, manual languages and label artwork configurable |
| Full datasheet | Complete electrical, hydraulic and radio data provided per model on request |
| Warranty | 36-month |
| Scenario | Recommended unit | Key benefits |
|---|---|---|
| Shelter with a municipal main at the boundary | Solenoid Valve and Pump Set | Direct connection keeps the tank, the refill and the frost protection out of the design |
| Shelter with no reliable mains pressure | Solenoid Valve and Pump Set | Tank and booster set hold the flow for the full discharge period the layout needs |
| Compound serving several scattered shelters | Solenoid Valve and Pump Set | One pump set feeds zoned valves, so each shelter discharges only where the flame is |
| Cold climate site with a long freezing season | Solenoid Valve and Pump Set | Pipe route and valve position are planned for drainage and frost protection at design stage |
Documentation decides whether a shipment clears customs and whether a consultant accepts the installation. Wanlin Fire supplies real documents for applicable models instead of a generic statement, and we recommend that every buyer verifies the certificate information for the exact configuration they intend to purchase. Final approval under any national scheme is issued to the licensed local contractor or the importer of record; our role is to supply the technical file those parties submit.
| Information | Details |
|---|---|
| Product | Solenoid Valve and Pump Linkage Unit |
| System Reference | Solenoid Valve and Pump Set |
| Standard | fixed fire pump and valve practice with local code submittal support, referenced to the water based suppression standard in force in the destination market, CE / RoHS / REACH on applicable models, radio compliance support for wireless configurations |
| Product family routes | Fire detection and alarm standards, water based suppression and sprinkler installation standards, fire pump standards and alarm transmission standards where the device class applies |
| European and international routes | EN 54 series and EN 12259 series aligned construction papers where the device class applies, CE and CPR documentation, RoHS and REACH files, ISO 9001 and ISO 14001 manufacturing |
| North American routes | NFPA 13, NFPA 20, NFPA 72 and UL listing routes where the project names them, with FCC radio documentation for wireless configurations |
| National registration support | local code submittal support with per-configuration technical files, hydraulic calculations and national registration support for the importer of record, with UL, FM, VdS, LPCB, UKCA, SASO and SABER, SIRIM, TISI, SNI, BIS, EAC and CCCF routes where the destination names them |
| Test Reports | Detection response, valve actuation, pump duty and radio function reports available per model, with calibration records where the project asks for them |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body or issuing authority per certificate |
| Target Market | Egypt and wider export: North America, Europe, Asia-Pacific, Middle East, Africa and Latin America |
| Importer Registration | National registration completed by the importer of record with our technical file support |
| Certificate Status | Valid for applicable models |
| Certificate Document | View and download on request |
Every export kit ships with the documentation set for the destination: declarations per model, hydraulic calculations for the issued layout, radio compliance files for the band plan in use, and labelling in the language the market expects. Final acceptance always rests with the market authority having jurisdiction, and we recommend the importer of record verifies the exact configuration before ordering.
Buyers comparing suppliers in this category end up weighing the same things: whether the document matches the configuration, whether the drawings exist before the order, and whether anyone answers a pump duty question in writing.
Shelter projects add their own requirements. Parking density has grown faster than the structures were designed for, batteries are charged overnight by people who are asleep, and the sites are usually managed by whoever holds the keys rather than by a fire engineer. Buyers comparing European, North American and Japanese brands, or weighing a local trading supplier against a factory, usually end up judging the same things we are judged on: whether the drawings exist before the deposit, whether the duty is calculated from a measured supply, and whether anyone answers a pump question in writing.
| Factor | Wanlin Fire | Typical Trading Supplier | Brand Name Distributor |
|---|---|---|---|
| Manufacturing depth | Batch inspection covers detection response, valve actuation, pump duty and radio function before the kit is packed | Trading office, outsourced production | Brand owner, no project work |
| Document transparency | Submittal drawings and duties issued for the local code route, so the consultant submits a design rather than a catalogue cut | Family level PDF files, customs risk | Brand level only, no model files |
| Design support | Detection plan, nozzle layout and pump duty issued in writing from your drawing | Price list only, layout left to the installer | Standard package, no site layout |
| Supply realism | Pump duty calculated from a supply measured at the worst hour | Duty assumed from floor area | Fixed package, no supply check |
| Customization | Private label housings, part numbers, packaging and manuals in the language your market expects, with label artwork handled at order stage | Limited to stock models | No customization, fixed SKUs |
| Price (factory direct) | Tiered factory pricing with 31% margin headroom typical for repeat partners | Low unit price, unstable sourcing | Brand markup of 2 to 4 times |
| Delivery reliability | Confirmed production slots, batch inspection photos, 25 to 40 day lead times | Unpredictable, no line access | Stock dependent, allocation risk |
| Spare parts | Spares list per ten shelters with a repeat order path | No spares program | Brand spares at brand pricing |
| After-sales | After-sales technical support answering radio, valve and pump questions in writing, with the response kept in the project file | No after-sales, high failure risk | Limited, ticket based support |
Our export programs suit fire protection distributors, suppression wholesalers, charging site operators, property and facility managers, municipal housing buyers, system integrators, MEP consultants, contractors, insurance risk surveyors and tender coordinators.
A shelter project follows a fixed order of work, and skipping the survey is the usual reason a kit arrives that does not fit the site. A standard shelter project then follows 8 steps:
These comments came back after the first discharge test and the first audit, which is when opinions are worth having.
A: Where the municipal main at the site boundary can deliver the flow and the pressure the nozzle layout needs, a direct connection is the simpler design and it removes the tank, the refill line and the frost protection. Where it cannot, a tank and booster set is specified, and we size that from the nozzle count in your layout rather than from a rule of thumb.
A: Pump selection follows the nozzle count and the nozzle duty from the layout drawing, plus the available supply at the boundary. Send the shelter area, the supply condition and the nozzle layout and we state the pump duty in writing. We do not quote a pump from the shelter area alone, because two shelters of the same size can need different duties.
A: Zoning. The valve is at the shelter, so a confirmed flame in one shelter opens that zone and not the others. That is also why the pump duty is calculated for a single zone rather than for every nozzle on the site at once, which keeps the pump and the tank smaller.
A: The run period is set at commissioning against the spray density the layout needs and the supply available, and it is one of the values we confirm in writing for your project. It is not left as a factory default that nobody has checked against the water supply.
A: The scheduled items are the pump run test, the valve exercise, the strainers and the supply check, and the interval is set by your local code and your insurer. We supply the maintenance schedule with the equipment so the site team has something to work to rather than discovering the task during an audit.
The outcome: By working directly with manufacturer Wanlin Fire, Cairo Government Tender Coordinator Kwame Mensah gained 31% margin headroom while keeping competitive installed pricing. With verified per-model documentation, layout drawings with stated duties, fixed fire pump and valve practice with local code submittal support, referenced to the water based suppression standard in force in the destination market, detection matched to an open sided shelter, private label branding, a supply survey done before the quote and after-sales spare programs, Wanlin Fire became their long-term e-bike shelter suppression supply partner in Egypt. We are a source factory actively recruiting local partners, and cross border trading companies are welcome to start with a sample shelter kit and grow into container programs.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com