Product Description
One machine for multiple purposes: Ingeniously designed with versatility at its core, this cutting-edge vacuum boiler showcases a brilliant engineering feat with its dual hot water outputs. Revel in the ability to simultaneously supply dual hot water streams at varying temperatures. Whether you're utilizing a dual-circuit or single-circuit setup, each circuit functions autonomously, flawlessly accommodating a wide array of heating requirements.
High thermal efficiency: Immerse yourself in the world of superior heat transfer with our impeccably sealed vacuum chamber. Meticulously crafted from premium imported stainless steel, celebrated for its exceptional heat conduction, our state-of-the-art heat exchanger optimizes efficiency, ensuring remarkable energy savings—a stellar representation of modern engineering excellence.
Absolute safety: Operational excellence is the cornerstone of safety with this boiler, consistently maintained under negative pressure to eliminate explosion risks. Equipped with a comprehensive suite of safety features: from temperature sensors and safety valves to overheat protection and vacuum control switches, it thoroughly mitigates potential safety concerns, delivering unparalleled peace of mind.
Intelligent control: Unleash the power of advanced digital control with an intuitive LCD interface elegantly displaying in Chinese. Effortlessly set temperatures, monitor furnace and vacuum parameters in real-time, and rely on the automatic logging of combustion times and faults. This streamlined operation paves the way for a world where manual intervention becomes obsolete.
Eliminate the trouble of registration procedures: Designed for ultimate streamlining, this boiler's negative pressure operation obliterates expansion or explosion risks, liberating it from rigorous supervision. Enjoy a hassle-free installation experience, seamlessly bypassing cumbersome registration procedures, thus optimizing cost efficiency and alleviating administrative burdens.
Energy saving: Achieve unparalleled energy efficiency with minimized heat medium water volume. The vacuum chamber's negative pressure steam delivers exceptional heat exchange, providing set-temperature warm water within a mere ten minutes, completely devoid of preheating losses. Witness the extraordinary outcomes of energy conservation.
Long life: Built from the finest stainless steel, this heat exchanger ensures rapid heat transfer paired with robust resistance to corrosion. Flange connections simplify maintenance, while the vacuum state effectively prevents corrosion and scaling. The isolated heated tube bundle avoids flame contact, dramatically extending the service life.
Insulation structure: Boasting a 100mm double-layer insulation, this boiler significantly minimizes heat loss, maintaining its surface at a comfortable room temperature. This not only enhances safety but also substantially increases its thermal efficiency, embodying the pinnacle of advanced insulation technology.
Imported low-nitrogen burner: Our burner operates with exceptional efficiency, ensuring combustion remains clean and whisper-quiet. Emissions are kept to a bare minimum, perfectly aligning with the rigorous standards set by leading 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 |
In the 2024 edition, rear flue statistics highlight a commitment to environmental responsibility, with green signifying adherence to the stringent 120 mg standards, all achieved without the need 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., the beacon of innovation and precision, nestled on Tieta Road in the bustling Guyang Town, Dantu District, Zhenjiang City.At Jiangsu Weifu, we are passionately dedicated to harmonizing boiler marketing resources across mainland China. Our expansive and robust marketing network ensures that the distinguished Weifu line of boilers—spanning oil, gas, and electricity—reaches our valued customers with unmatched quality, competitive pricing, and stellar service. Steered by our core philosophy of 'being a real person and doing things honestly,' Jiangsu Weifu crafts premium quality products that bring warmth to the world. Within our vibrant Weifu boiler markets, we relentlessly pursue customer delight, employee growth, shareholder satisfaction, corporate expansion, and national tax contributions.
Our workforce comprises over 200 committed professionals, inclusive of more than 40 expert technicians, all collaborating seamlessly to achieve engineering brilliance. Spread across an impressive 20,000 square meters of cutting-edge factory space, we specialize in the design and creation of advanced gas, oil, and electric hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, all enhanced by state-of-the-art manufacturing and testing equipment.
Guided by our business ethos 'what customers need is what we make,' we offer a wide array of boiler products. We develop vertical and horizontal gas (oil) steam boilers, pressure hot water boilers, electric heating steam boilers, and gas (oil) thermal oil boiler series, encompassing 7 series with nearly 300 specifications. Our products lead the charge in innovation, employing clean combustion technology to pave the way for a sustainable future. Our horizontal pressure boilers are a testament to engineering expertise, featuring advanced design components like corrugated furnaces, conical furnaces, threaded smoke pipes, and a sophisticated wet back three-pass configuration. Fitted with high-performing imported burners from renowned brands such as Riello, Aucma, Black & Decker, and Weishaupt, our boilers excel in efficiency, energy conservation, and environmental protection. With the integration of either pressure or normal pressure economizers and condensers, our boilers reduce exhaust temperatures while significantly curbing emissions of dust, nitrogen oxides, and sulfur oxides, affirming their energy efficiency and environmental friendliness. Weifu Boiler proudly stands as a leading national supplier, delivering small and medium-sized oil, gas, and electric boilers across China with excellence. Our distinguished clientele spans major cities throughout mainland China, underscoring the significant and widespread impact of our products. We are steadfast in leading initiatives for environmental protection and energy conservation across mainland China, making a meaningful and lasting difference.
Certifications
Jiangsu Weifu Special Equipment Co., Ltd. is a distinguished leader in the boiler industry, possessing a highly coveted national Class B manufacturing certificate. In a marketplace full of both vast opportunities and formidable challenges, Weifu Boiler stands unwavering. Our guiding principle, 'creativity for development, credit for cooperation, and quality for market share,' propels us to excel and stay ahead of our competitors. We are dedicated to maintaining our position at the industry's cutting edge. Embark on a journey with Weifu Boiler, where we deliver exceptional value and embody a pioneering spirit. Our commitment to excellence is evident in every product and service we provide, ensuring that our offerings are second to none. Discover the unmatched quality and innovation that define Weifu Boiler.
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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