| Customization: | Available |
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| After-sales Service: | Return and Replacement |
| Warranty: | 1year |
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Typical applications
Thin and compact air duct heaters, designed to be used in industrial or commercial air conditioning systems. Their design allows to mount them at the end of 125mm dia. air duct on existing circuits. One of their applications is to allow, without costly work, to boost air/air type heat pumps whose power is insufficient in extreme weather conditions. They are intended to be used by integrators in ventilated air ducts.
They are made of a stainless steel sheathed tubular heating element, mounted on an electro-galvanized steel or stainless steel frame. They can be supplied with or without electrical connection box.
They are supplied with 2 levels of temperature overheat protection
Main features
Frame: Galvanized steel sheet or 304 stainless steel
Safety thermostat N°1: automatic reset, open at 50°C, reset at 40
Safety thermostat N°2: Open at 95. Manual reset
Heating element: 8mm diameter sheathed tubular heating element, stainless steel 304L. (Other features, see page 7)
Power vs Heater surface loads and minimum flow :
-For 400W the surface load is 1.2W/cm², and minimum air velocity must be 0.5 m/s, i.e. a rate equal to or greater than 28m3/h in a dia. 125mm duct.
-For 600W the surface load is 1.8W/cm², and minimum air velocity must be 1.5 m/s, i.e. a rate equal to or greater than 84m3/h in a dia. 125mm duct.
-For 1200W the surface load is 3.6W/cm², and minimum air velocity must be 2.5 m/s, i.e. a rate equal to or greater than 140m3/h in a dia. 125mm duct.
Indicative values. Calculated so that the surface temperature of the heating elements does not exceed 300. It is up to the integrator to perform the appropriate checks and flow and temperatures reached in the application, so that they conform to the regulations and safety standards.
Voltage: 220/240V, 50/60Hz (110-120V on request)
Connection box(in models supplied with it): IP40 with M20 cable gland in PA66
Connection: ceramic terminal block 3x2.5mm²
Mounting: on flat surface, with 8 screws. Also allows the mounting on a 125mm dia. metal duct with a collar lip diameter 144mm to 150mm. (See accessories hereunder)
Options: other surface load, other thermostats set point temperatures (MOQ apply)
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References with zinc |
References with |
Power |
Connection |
Surface load |
Surface load |
Accessory
Bracket and collar tube for 125mm dia. duct (zinc plated steel) |
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9NNL128G23400BJ0 |
9NNL128423400BJ0 |
400 |
No |
1.2 |
7.7 |
||
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9NNL188G23600BJ0 |
9NNL188423600BJ0 |
600 |
No |
1.8 |
11.6 |
||
|
9NNL368G23A20BJ0 |
9NNL368423A20BJ0 |
1200 |
No |
3.6 |
23.2 |
||
|
9NNL188G23600BJC |
9NNL188423600BJC |
400 |
Yes |
1.2 |
7.7 |
||
|
9NNL368G23A20BJC |
9NNL368423A20BJC |
600 |
Yes |
1.8 |
11.6 |
||
|
9NNL188G23600BJC |
9NNL188423600BJC |
1200 |
Yes |
3.6 |
23.2 |
Reference |
9NNCT125 |
Company profile:
Established in China since 2000, with French technology and investment, our company is proud to have more than 60 years experience in manufacturing electromechanical components and 30 years experience in manufacturing safety component for Spas, swimming pools and hot tubs. This experience, combined with high tech equipment and high tech raw materials let us develop the new components needed by rapid expansion of Asian and Chinese market.
In our new factory, on more than 8000 square meters production lines, we have two manufacturing divisions:
Division one is producing components:
Thermostats, energy regulators pressure switches, level switches, flow switches, fire detection fusible links, heating elements and ceramic connection blocks.
Division two is producing complete assemblies and sub assemblies on customer specifications:
Swimming pools heaters, heat pumps backup heaters, spas heaters, small water heaters, immersion heaters, aluminum foils heaters, baseboard and convection heaters sub assemblies
Our R&D team develops new products upon customer specification, taking care of international safety standard (UL, CE, etc.).
We produce our own stamping, bending, plastic injection, zinc alloy injection, and machining.
We are equipped with up to date automatic and CNC TIG welding and laser welding equipment and ultrasonic welding checking.
We have our own climatic room, corrosion testing loops, salt spray testing, and more than 30 specific equipments for products life testing.
Our income quality control laboratory is equipped to check raw material (plastics, metals) physical characteristics and dimensions.
Our finished product control laboratory has more than 200 machines to calibrate and check temperature, pressure, level and flow controls.
From the raw material to the finished product we control every production step. Meet your control equipment demand rapidly and safely is our consistent promises.
Basic Information
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Product/Service Sell): |
Flow switches, level switch,pressure switch, thermostat,heating elements, back up heaters for heat pumps |
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Number of Employees: |
200 to 300 People |
Trade & Market
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Main Markets: |
North America |
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Total Annual Sales Volume: |
US$2.5 Million - US$5 Million |
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Export Percentage: |
60% |
Factory Information
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Factory Size (Sq.meters): |
10,000 square meters |
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Factory Location: |
Datian Cunkou, Fuwan industrial zone,Gaoming of Foshan, Guangdong province,China. |
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Number of Production Lines: |
15 |
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Number of R&D Staff: |
5-10 |
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Number of QC Staff: |
more than 15 People |
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Management Certification: |
ISO9001/14001 |
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Contract Manufacturing: |
Customized products on request (MOQ apply), OEM developments welcome. |
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