Product Description
One machine for multiple purposes: Ingeniously designed with unparalleled versatility, this state-of-the-art vacuum boiler showcases dual hot water outputs, capable of delivering two streams of hot water at varying temperatures simultaneously. Whether you choose the dual-circuit or opt for a single-circuit system, each operates with flawless independence, perfectly catering to your wide array of heating requirements.
High thermal efficiency: Immerse yourself in an experience of unrivaled heat transfer within a meticulously sealed vacuum chamber. Crafted with high-grade imported stainless steel, renowned for its superior heat conduction, our heat exchanger not only maximizes efficiency but also ensures substantial energy savings-a hallmark of cutting-edge engineering excellence.
Absolute safety: At the core of operational excellence lies safety. This boiler, ingeniously maintained under negative pressure, inherently negates explosion risks. Outfitted with comprehensive safety features including precise temperature sensors, robust safety valves, overheat protection mechanisms, and vacuum control switches, this system thoroughly mitigates potential safety issues, delivering enduring peace of mind.
Intelligent control: Experience the future of digital control with a sophisticated, intuitive LCD interface available in Chinese. Seamlessly set desired temperatures, monitor furnace and vacuum parameters in real-time, and benefit from automatic logging of combustion durations and faults. Simplified operations usher in an era where human intervention is a thing of the past.
Eliminate the trouble of registration procedures: Engineered for simplicity, this boiler's innovative negative pressure operation eradicates risks of expansion or explosion, exempting it from rigorous regulatory oversight. Revel in the simplicity of hassle-free installation, effortlessly bypassing cumbersome registration procedures, thus optimizing cost efficiency and alleviating administrative burdens.
Energy saving: Achieve maximum energy efficiency through minimized heat medium water volume. Within ten minutes, the vacuum chamber's negative pressure steam ensures an extraordinary heat exchange, delivering water at set temperatures without preheating losses. Experience the exceptional outcome of significant energy savings.
Long life: Crafted from premium stainless steel, this heat exchanger promises rapid heat transfer coupled with robust corrosion resistance. Flange connections make maintenance straightforward, while the vacuum state prevents corrosion and scaling. The segregated heated tube bundle avoids direct flame contact, dramatically extending the service lifespan.
Insulation structure: With an advanced 100mm double-layer insulation, this boiler minimizes heat loss, keeping its surface comfortably at room temperature. This not only elevates safety but also significantly enhances thermal efficiency, epitomizing the pinnacle of insulation technology.
Imported low-nitrogen burner: Our burner shines with superb efficiency, guaranteeing that combustion remains both clean and tranquil. Emissions are minimized to align perfectly with the stringent standards expected by elite regions nationwide.
| Gas Vacuum Hot Water Boiler (120mg) Parameter Table |
| Modal |
Unit |
ZKW0.35-65/55-Q.Y |
ZKW0.47-65/55-Q.Y |
ZKW0.58-65/55-Q.Y |
ZKW0.7-65/55-Q.Y |
ZKW0.94-65/55-Q.Y |
ZKW1.05-65/55-Q.Y |
ZKW1.2-65/55-Q.Y |
| Rated thermal power |
KW |
350 |
480 |
580 |
700 |
940 |
1050 |
1200 |
| Rated heat output |
Kcal/h |
300,000 |
400,000 |
500,000 |
600,000 |
800,000 |
900,000 |
1,000,000 |
| Boiler design thermal efficiency |
% |
94~96 |
| Rated working pressure |
Mpa |
-0.085 |
| Heat exchanger working pressure |
Mpa |
1.25 |
| Rated heating supply t=10 |
Outlet/return water temperature |
ºC |
65/55 |
| Circulating water volume |
t/h |
30 |
40 |
50 |
60 |
80 |
90 |
100 |
| Water supply and return diameter |
DN |
65 |
80 |
80 |
100 |
125 |
125 |
125 |
| Fuel consumption |
0# Light diesel |
kg/h |
32.5 |
53.7 |
53.7 |
64.5 |
85.6 |
95.6 |
154.5 |
| Natural gas |
Nm³/h |
38.4 |
64.5 |
64.5 |
77.1 |
102.7 |
114.5 |
129.5 |
| Flue size |
mm |
φ250 |
350*220 |
350*220 |
φ320 |
φ330 |
φ350 |
φ412 |
| Shipping Weight |
KG |
2600 |
3000 |
3000 |
3300 |
4500 |
4200 |
4500 |
| Dimensions |
Length |
mm |
2620 |
3000 |
3000 |
3200 |
3640 |
3700 |
3650 |
| Width |
mm |
1350 |
1600 |
1600 |
1470 |
1770 |
1840 |
1860 |
| Height |
mm |
2040 |
2000 |
2000 |
2220 |
2250 |
2160 |
2250 |
Statistics by boiler flue in 2024
| |
Modal |
Unit |
ZKW1.4-65/55-Q.Y |
ZKW1.75-65/55-Q.Y |
ZKW2.1-65/55-Q.Y |
ZKW2.8-65/55-Q.Y |
ZKW3.5-65/55-Q.Y |
ZKW4.2-65/55-Q.Y |
ZKW4.9-65/55-Q.Y |
ZKW7.0-65/60-Q.Y |
| |
Rated thermal power |
KW |
1400 |
1750 |
2100 |
2800 |
3500 |
4200 |
4900 |
7000 |
| |
Rated heat output |
Kcal/h |
1,200,000 |
1,500,000 |
1,800,000 |
2,400,000 |
3,000,000 |
3,600,000 |
4,200,000 |
6,000,000 |
| |
Boiler design thermal efficiency |
% |
94~96 |
| |
Rated working pressure |
Mpa |
-0.085 |
| |
Heat exchanger working pressure |
Mpa |
1.25 |
| |
Rated heating supplyt=10 |
Outlet/return water temperature |
ºC |
65/55 |
| Circulating water volume |
t/h |
120 |
150 |
180 |
240 |
300 |
360 |
420 |
600 |
| Water supply and return diameter |
DN |
125 |
200 |
200 |
150 |
200 |
200 |
250 |
300 |
| |
Fuel consumption |
0# Light diesel |
kg/h |
137.6 |
166.9 |
197.7 |
316.5 |
316.5 |
392.6 |
442.3 |
627.1 |
| Natural gas |
Nm³/h |
152.9 |
200.2 |
230.3 |
305.6 |
379.7 |
471.2 |
530.7 |
752.5 |
| |
Flue size |
mm |
420*300 |
440*300 |
600*280 |
460*460 |
640*430 |
760*380 |
760*460 |
760*550 |
| |
Shipping Weight |
KG |
5150 |
5800 |
7300 |
7350 |
11100 |
11100 |
15100 |
17100 |
| |
Dimensions |
Length |
mm |
3750 |
4000 |
4600 |
5000 |
5220 |
5400 |
6050 |
6800 |
| Width |
mm |
1700 |
2000 |
2100 |
1900 |
2300 |
2300 |
2500 |
2700 |
| Height |
mm |
2380 |
2420 |
2550 |
2660 |
2900 |
2900 |
3180 |
3660 |
| Gas vacuum hot water boiler (30 mg) parameter table |
| Modal |
Unit |
ZKW0.35-65/55-Q.Y |
ZKW0.47-65/55-Q.Y |
ZKW0.58-65/55-Q.Y |
ZKW0.7-65/55-Q.Y |
ZKW0.94-65/55-Q.Y |
ZKW1.05-65/55-Q.Y |
ZKW1.2-65/55-Q.Y |
| Rated thermal power |
KW |
350 |
480 |
580 |
700 |
940 |
1050 |
1200 |
| Rated heat output |
Kcal/h |
300,000 |
400,000 |
500,000 |
600,000 |
800,000 |
900,000 |
1,000,000 |
| Boiler design thermal efficiency |
% |
94~96 |
| Heat exchanger working pressure |
Mpa |
1.25 |
| Rated working pressure |
Mpa |
-0.085 |
| Rated heating supply t=10 |
Outlet/return water temperature |
ºC |
65/55 |
| Circulating water volume |
t/h |
30 |
40 |
50 |
60 |
80 |
90 |
100 |
| Water supply and return diameter |
DN |
65 |
65 |
80 |
100 |
100 |
125 |
125 |
| Fuel consumption |
0# Light diesel |
kg/h |
30.2 |
40.2 |
49.8 |
60.5 |
80.6 |
95.6 |
127.6 |
| Natural gas |
Nm³/h |
34.5 |
48.2 |
56.5 |
68.4 |
91.2 |
114.5 |
106.3 |
| Flue size |
mm |
φ250 |
350*220 |
350*220 |
φ320 |
380*280 |
380*280 |
φ412 |
| Shipping Weight |
KG |
2030 |
3500 |
3500 |
3800 |
4000 |
4500 |
4600 |
| Dimensions |
Length |
mm |
2500 |
3100 |
3100 |
3400 |
3400 |
3700 |
3480 |
| Width |
mm |
1600 |
1800 |
1800 |
1670 |
2000 |
1670 |
1670 |
| Height |
mm |
2160 |
2200 |
2200 |
2520 |
2550 |
2450 |
2410 |
For 2024, the rear flue statistics epitomize environmental responsibility, with a green marker indicating compliance with 120 mg standards, eliminating the necessity for additional documentation.
| Modal |
Unit |
ZKW1.4-65/55-Q.Y |
ZKW1.75-65/55-Q.Y |
ZKW2.1-65/55-Q.Y |
ZKW2.8-65/55-Q.Y |
ZKW3.5-65/55-Q.Y |
ZKW4.2-65/55-Q.Y |
ZKW5.6-65/55-Q.Y |
ZKW7.0-65/60-Q.Y |
| Rated thermal power |
KW |
1400 |
1750 |
2100 |
2800 |
3500 |
4200 |
5600 |
7000 |
| Rated heat output |
Kcal/h |
1,200,000 |
1,500,000 |
1,800,000 |
2,400,000 |
3,000,000 |
3,600,000 |
4,800,000 |
6,000,000 |
| Boiler design thermal efficiency |
% |
94~96 |
| Heat exchanger working pressure |
Mpa |
1.25 |
| Rated working pressure |
Mpa |
-0.085 |
| Rated heating supply t=10 |
Outlet/return water temperature |
ºC |
65/55 |
| Circulating water volume |
t/h |
120 |
150 |
180 |
240 |
300 |
360 |
480 |
600 |
| Water supply and return diameter |
DN |
150 |
200 |
150 |
150 |
250 |
250 |
300 |
300 |
| Fuel consumption |
0# Light diesel |
kg/h |
128.2 |
160.2 |
193.5 |
252.7 |
317.8 |
380.3 |
483.84 |
627.1 |
| Natural gas |
Nm³/h |
152.6 |
190.7 |
227.33 |
304.4 |
381.3 |
456.4 |
547.2 |
752.5 |
| Flue size |
mm |
420*300 |
580*400 |
500*330 |
460*460 |
640*430 |
686*430 |
|
760*550 |
| Shipping Weight |
KG |
6600 |
7200 |
7300 |
10040 |
11100 |
12100 |
13800 |
17100 |
| Dimensions |
Length |
mm |
3850 |
4050 |
4400 |
5000 |
5470 |
5610 |
6250 |
6800 |
| Width |
mm |
1760 |
1920 |
2100 |
2100 |
2250 |
2400 |
2650 |
2700 |
| Height |
mm |
2540 |
2660 |
2750 |
2920 |
2980 |
3060 |
2150 |
3660 |
Main Products
Company Profile
Welcome to Jiangsu Weifu Special Equipment Co., Ltd., ideally situated on Tieta Road, Guyang Town, Dantu District, Zhenjiang City, where precision meets innovation. Immerse yourself in a realm of excellence where state-of-the-art technology harmonizes with visionary craftsmanship.Jiangsu Weifu is unwaveringly devoted to unifying boiler marketing resources across mainland China. Our expansive and strategically positioned network ensures that Weifu's esteemed oil, gas, and electricity boilers reach discerning customers, delivering not only unparalleled quality and competitive pricing but also exceptional, personalized service that sets industry standards. Guided by the profound philosophy of 'being a real person and doing things honestly,' Jiangsu Weifu takes immense pride in crafting superior products that warm the world. In our vibrant Weifu boiler markets, we relentlessly pursue customer satisfaction, employee advancement, shareholder benefits, corporate growth, and significant national tax contributions, embodying our commitment to excellence and integrity.
Our exceptional team comprises over 200 dedicated professionals, including more than 40 expert technicians, all united in the pursuit of engineering excellence and innovation, ensuring that every boiler we produce is a masterpiece of precision and reliability. Spanning an impressive 20,000 square meters, our cutting-edge factory is where advanced gas, oil, and electricity hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers are crafted with precision. Equipped with state-of-the-art manufacturing and testing equipment, we ensure superior quality and performance in every product.
Embracing the business credo 'what customers need is what we make,' we specialize in a diverse array of boiler products. We develop vertical/horizontal gas and oil steam boilers, pressure hot water boilers, electric heating steam boilers, and gas/oil thermal oil boiler series, showcasing 7 series and nearly 300 specifications that cater to every need. Our innovative products lead the industry, utilizing clean combustion technology to ensure a sustainable future, combining efficiency with environmental stewardship. Our horizontal pressure boilers stand as a testament to engineering prowess, featuring advanced design elements like corrugated furnaces, conical furnaces, threaded smoke pipes, and a robust wet back three-pass configuration, setting new standards in boiler design. Equipped with top-tier imported burners from renowned brands such as Riello, Aucma, Black & Decker, and Weishaupt, our boilers achieve outstanding efficiency, unparalleled energy conservation, and superior environmental protection. Integrated with pressure or normal pressure economizers and state-of-the-art condensers, our boilers excel in lowering exhaust temperatures and minimizing emissions of dust, nitrogen oxides, and sulfur oxides, setting a benchmark for energy efficiency and environmental friendliness. Weifu Boiler proudly stands as a premier national supplier of small and medium-sized oil, gas, and electric boilers across China, recognized for our commitment to quality and innovation. Our esteemed clientele, spread across major cities throughout mainland China, is a testament to our widespread impact and the trust placed in us by discerning customers. We are passionately committed to spearheading environmental protection and energy conservation efforts across mainland China, making a significant and tangible difference in the pursuit of a greener future.
Certifications
We proudly possess the esteemed national Class B manufacturing certificate, which underscores our unwavering commitment to excellence in the ever-evolving boiler market. At Jiangsu Weifu Special Equipment Co., Ltd., we embrace a philosophy centered on 'creativity for development, credit for cooperation, and quality for market share.' This dedication propels us to the vanguard of the industry, ensuring that we consistently deliver innovative solutions and maintain our competitive edge. We invite you to embark on a journey with Jiangsu Weifu Special Equipment Co., Ltd., where the exceptional value and pioneering spirit of our Eco-Friendly Low Nitrogen Boilers redefine excellence. Experience our unparalleled dedication to quality and innovation, as we provide not just products, but transformative solutions that elevate your water heating needs sustainably.
Packaging & Shipping
FAQ
1. How to buy a good boiler?
A: Choose a good supplier.
B: Specification is clear, steam or hot water, capacity,fuel,pressure and so on
C:Price is not the only problem, quality and service also important.
2. What is your main product?
A:Steam boiler, hot water boiler and thermal oil boiler.Gas fired boiler, oil fired boiler, diesel fired boiler, coal fired boiler, biomass fired boiler,Industry boiler and so on.
3. Q: How long is your lead time?
A: Generally it is 30 days, depends on your needs and project scales
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