Tankless Instant Wall Mounted Water Heater JW-QS7

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China Main Port
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TT or LC
Min Order Qty:
100 Pieces pc
Supply Capability:
30000 Pieces per Month pc/month

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Product Description:

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:

ModelJW-QS7-12JW-QS7-16JW-QS7-20JW-QS7-24JW-QS7-32JW-QS7-40
Capacity (L)6810121620
Exhaust typeforced exhaustforced exhaustforced exhaustforced exhaustforced exhaustforced exhaust
Burner type3 line   harmonica4 line   harmonica13 line                 T-shape15 line                     T-shape16 line                     T-shape18 line                       T-shape
Ignitionautomaticautomaticautomaticautomaticautomaticautomatic
Applicable water pressure (MPa)0.02~0.80.02~0.80.02~0.80.02~0.80.02~0.80.02~0.8
Gas typeLPG(Liquefied Petroleum Gas)   /     NG(Natural gas)
Gas pressureLPG: 2800Pa                                    NG: 1274Pa     &     2000Pa
Product size (mm)440x290x120520x320x140590x330x140620x330x180650x420x180700x420x180
Packing size (mm)560x360x180640x375x200710x400x200 750x390x240 770x480x240 820x480x240 
N.W. / G.W. (kg)4/57/89/10.59.5/1113.5/15.518/20

 

Our advantage:

1/ make products in factory ourselves.

2/ strong manufacturing capacity for OEM service.

3/ flexible production for tailor-made service to client.

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Q:Grinding wheel for grinding hob
A plain white disc grinding wheel should be fine. Basically, the wheels are standard parts
Q:Hobbing machine hob shaft strange ring, what's the matter?
This situation is generally caused by heavy load, please focus on the following conditions:1, the transmission shaft transmission less oil, to be added. 2, hob wear a large amount, or hob grinding is not correct, causing chip power increases, sharpening. 3, eat too much, over load rolling gear machine, adjust the cutting depth to the right. 4, whether the hardness of the workpiece material is too high?.
Q:How to judge the direction of hob rotation?
Pay attention to the direction of his stroke
Q:What are the main causes of hob breaking?
In my opinion, there are many reasons for the broken teeth of the hob. In addition to the above analysis, it is also related to the regrinding of the tool, such as grinding the front face of the knife and grinding cracks
Q:When machining M3 worm gear on Y3150 hobbing machine, how to determine the rotation angle and direction of hob cutter head?
Wenling Kaiyuan tool factory to solve; processing turbine is not to turn the angle and direction
Q:The influence of hob accuracy grade on gear machining
Class a hob and B grade hob as you have the final shaving process hobbing to use, both can, technically, economically speaking, B is more reasonable. If the hobbing process is finished, it should be A or AA. The tooth profile error of gear hobbing process mainly originates from the precision, accuracy, hob cutter hob and gear blank datum correction, and hobbing process accuracy, tooth pitch accumulated mainly depends on the precision of hobbing machine precision and gear blank correction accuracy. Hob different levels of error in the 0.05MM level, so instead of using B hob, shaving allowance as far as possible to stay, that is, 0.15MM can. Pay attention to the roughness of the gear surface as it was before.
Q:Hob mainly used for processing what?
Ordinary monolithic hob can cut the pizza, a high precision hob can cut softer materials such as rubber, patchwork, cutting. Mechanical hob is used in lathe processing, the type is not clear.
Q:What is the number of hob head?
What is a single head hob? What is the number of hob heads: the number of heads (the head number or the number of teeth in the same law)Roll vortex due to vortex with a single head, double head, three head, it should also have the corresponding hob single head, double head, three points, often double or three units lack of hob can only use single head instead, how may be close to the workpiece in drawings is a technology problem.What is the fixed number: the amount of the call is only the quantitative numberIn hobbing adjustment, need to compute three gears, namely indexing hanging round I, feed, hanging wheel i: and differential gear i:. formula i_1=A_1 - Z_1/ (Z+ Z)...... (1) i_2=A_2 & f...... (2) i_3= (n - A_3 (+) /Z_1 (| Delta Z|) + /f (sin beta) / (n - m_n))...... (3) in the formula: A_1 - rolling gear machine indexing set number; A_2 rolled into a given number of gear machine; A_3 hobbing machine differential number; F hob vertical feed amount (mm/r); Z_1 - hob; Z - gear tooth number; Z supplement (micro workpiece tooth number the number of teeth), | Delta Z|
Q:How about adjusting the machine tool by using left-hand hob to cut left gear?
The angle of the gear subtracts the angle of the knife, the table reverses, and the knife is still turning
Q:The circular cutter mould heating cutting pearl cotton machine, mainly to do with the machine last name? Where can I get it?
Electric knife, but you said hob all heating, I really don't know. Should be generally punch processing. There are also hot knife processing, but not hob. A cold knife can also heat it. Cold hob heating, you can try....
With many years' experience in this field, we set up independent R & D center, testing centers, quality control centers inside factory ourselves. We carry out ISO9001 system in the company, all staffs constantly follow advanced managing & strict quality control process, quality-oriented is a constant guidance for our work here. We organize an experienced team in sales department, to ensure customers a prompt & efficient response, we are at customer's service anytime.

1. Manufacturer Overview

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

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

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