Tankless Instant Wall Mounted Water Heater JW-QS7
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces pc
- Supply Capability:
- 30000 Pieces per Month pc/month
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Detailed Product Description
1/ quality steel used for housing & case.
2/ copper heat exchanger
3/ with various safety device
Features:
Model: JW-QS7 Series
* quality steel used for housing & case.
* environment-friendly coating finish if any.
* pure copper heat exchanger
* sealed burner box for high heat efficiency
* low or zero water pressure start-up
* with various safety device
* various coating color for panel optional
Specification:
Model | JW-QS7-12 | JW-QS7-16 | JW-QS7-20 | JW-QS7-24 | JW-QS7-32 | JW-QS7-40 |
Capacity (L) | 6 | 8 | 10 | 12 | 16 | 20 |
Exhaust type | forced exhaust | forced exhaust | forced exhaust | forced exhaust | forced exhaust | forced exhaust |
Burner type | 3 line harmonica | 4 line harmonica | 13 line T-shape | 15 line T-shape | 16 line T-shape | 18 line T-shape |
Ignition | automatic | automatic | automatic | automatic | automatic | automatic |
Applicable water pressure (MPa) | 0.02~0.8 | 0.02~0.8 | 0.02~0.8 | 0.02~0.8 | 0.02~0.8 | 0.02~0.8 |
Gas type | LPG(Liquefied Petroleum Gas) / NG(Natural gas) | |||||
Gas pressure | LPG: 2800Pa NG: 1274Pa & 2000Pa | |||||
Product size (mm) | 440x290x120 | 520x320x140 | 590x330x140 | 620x330x180 | 650x420x180 | 700x420x180 |
Packing size (mm) | 560x360x180 | 640x375x200 | 710x400x200 | 750x390x240 | 770x480x240 | 820x480x240 |
N.W. / G.W. (kg) | 4/5 | 7/8 | 9/10.5 | 9.5/11 | 13.5/15.5 | 18/20 |
Our advantage:
1/ make products in factory ourselves.
2/ strong manufacturing capacity for OEM service.
3/ flexible production for tailor-made service to client.
- Q:My company is using hobbing - shaving processing technology, the amount of shaving measurement, cross rod spacing and shaving teeth life size difference of 0.12mm-0.15mmThe accuracy level of the hob is related to the accuracy of the processing gear. The gears we processed require 7 levels of accuracy. The hob before each order is a class a precision, which is in conformity with the standardRecently a group of B level precision hob, no difference in other parameters, not on the bed test work, I would like to consult friends, what will the accuracy grade of hob parameters of gear, like our shaving, shaving is not able to correct these errors?
- It has something to do with smoothness! If shaving, the hobbing machine B will be enough! When we do not shave teeth, with double A knife shaving, then the series of knives will not affect too much
- Q:Grinding wheel for grinding hob
- LZ uses the five axis linkage tool grinding, the good machine tool certainly must match the good tool! The grinding wheel should be CBN, with a particle size of 100-120.
- Q:On the Y3150, ready to use left gear hob hobbing left gear. How to adjust machine tools? Thank you, heroes
- Not this meaning, specific point, and, the left and right knife processing, the gear hobbing machine work table whether to reverse, if reversed, the knife pole is also reversed, need to put the turret back loaded?...... Ask for expert advice...
- Q:What is the difference between worm gear hob and gear hob?
- There are many forms of worm gear and the parameters of hob are different. The common Archimedes cylindrical worm gear mechanism, the worm gear hob shaft surface tooth shape is the standard modulus, the standard pressure angle (common is 20 degrees), and the gear hob usually is the surface tooth shape as the standard value
- Q:How to adjust the torque of disc hob commonly used in TBM?
- Although this problem a long time ago, but still can answer, upstairs are not reliable. The torque of the disc hob is determined by adjusting the inside ring size. General choice of repair, after the experience is easy to handle, according to experience values often meet the requirements.
- Q:What are the main causes of hob breaking?
- (1) helical rolling wheel indexing hanging off, (Y38-1, Y3150) indexing hanging round off, the table does not turn, turn the cutter knife, broken teeth. The differential gear shedding (Y3150E, Y3180H) differential gear off the bench or turn. (2) head screw clearance large, in the processing process, the knife suddenly sank (inverse milling often), caused by the amount of feed is too large, not only from the sometimes broken tooth hob groove crack, the entire knife scrap (3) processing the material hardness is too high or too soft, also to the broken tooth cutter
- Q:I have not heard of the operation of grinding hob, I would like to ask you, the friend knows, please explain, the more detailed the better, thank you for a friend here.
- To use a special hob grinder, first open the power supply, install the hob, can not be used to open a nut tightly - hydraulic hob spindle extends to the hob and grinding wheel center line and then stop motion - wheel hob spindle will fall into the hob flute, to deep point, - Rotary hob, hob front the knife surface attached to the wheel surface, light, rake face and wheel plane is better - tighten the pressure of hob with nuts -- well, can the grinding hob.
- Q:If a pair of conjugate gears have different coefficients, can the hob be used in general? The addendum of the tooth is required
- If the basic parameters of the gear are the same (m * ha * C *), and the tip of the tooth has no trimming, the hob can be used in general. When the addendum of the gear tooth is required, it should be analyzed. If the coefficient of variation between the two coefficients is not large, and the margin of repair is not very strict, there is a general possibility. If the X difference is large, it can not be universal, there will be the top of the tooth repair margin is too small phenomenon. Even when x=0 is rolling with the same knife, the average number of rolls is less, and the gears are smaller at the time of repair, while the number of teeth rolled seems larger.
- Q:Hello everyone! I would like to ask about the difference between variable displacement hob and non variable hob First of all, is there any difference between the non - variable and modified gears in the design of hobs? If it's different, please give me more details, thank you!
- The design modulus of the shift gear hob is different from the product modulus!
- Q:When machining M3 worm gear on Y3150 hobbing machine, how to determine the rotation angle and direction of hob cutter head?
- When using worm gear hob, the tool holder is zero to zero. Sub gear: clutch to the straight gear processing position, differential open, hang 36 teeth fixed number wheel, but with fixed number wheel 24 than worm gear teeth number to calculate the number of 4 teeth.
1. Manufacturer Overview |
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Location | Guangdong,China |
Year Established | 2008 |
Annual Output Value | |
Main Markets | South America Eastern Europe Mid East Eastern Asia South Asia |
Company Certifications | ISO 9001:2000 |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Shunde |
Export Percentage | |
No.of Employees in Trade Department | 3-5 People |
Language Spoken: | English, Chinese |
b)Factory Information | |
Factory Size: | 1,000-3,000 square meters |
No. of Production Lines | 5 |
Contract Manufacturing | OEM Service Offered |
Product Price Range |
Send your message to us
Tankless Instant Wall Mounted Water Heater JW-QS7
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces pc
- Supply Capability:
- 30000 Pieces per Month pc/month
OKorder Service Pledge
OKorder Financial Service
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