Elctronic Ignition Tankless Instant Gas Water Heater JW-QS2

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100 Pieces pc
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30000 Pieces per Month pc/month

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Product Description:

Detailed Product Description

1/ copper heat exchanger

2/ automatic ignition

3/ with various safety device



Model: JW-QS2 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



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
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:What is the number of hob head?
The number or number of teeth in the same law
Q:Gleason hob material marked as: G30 what material?
The estimate is similar to M35, because there is a higher grade of G70, which is equivalent to powder metallurgy high speed steel! I have seen their material introduction, and now I forgot
Q:Hobbing machine hob installation angle is wrong, what will happen?Go to work in the middle of the hob stopped, and then use the manual to hob vertical movement, and then start the workpiece and why card and the card hob is bad? And the consequences?
The general accuracy, generally a twice fine, roll into half in the dynamic angle (angle between the roll angle transform, gear hob axis and a position transform) cutter and gear blank is not the tooth socket overlap, serious breakage, the workpiece is not serious waste.
Q:The circular cutter mould heating cutting pearl cotton machine, mainly to do with the machine last name? Where can I get it?
Electric heating cutter, round hob, mould, heating, cutting, pearl cotton machine
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: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: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:What grinding wheel do we use to grind HSS HSS hobs?
Choose 60-70 purpose CBN grinding wheel. Instant coating is not too big a problem
Q:Known gear hobbing machine speed, knife, and hob modulus, the number of teeth of the workpiece, the processing thickness (Chi Kuan), how to calculate the processing hours?
The thickness is divided by the speed divided by the number of teeth multiplied by the knife.. Minutes.. It doesn't matter the size of the module..
Q:What is the reason that the double gear hob changes the gear line of public gear too big?
N1Z1=N2Z2, your machine tool is really high-speed machine tools, not only hob can high-speed, and even the workbench is so high speed, running HIGH
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  
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