Product Description
One machine for multiple purposes: Ingeniously crafted with versatility at its core, this vacuum boiler offers a marvel of engineering sophistication with dual hot water outputs. Revel in the luxury of simultaneous dual hot water streams, each at different temperatures, tailored to your precise needs. Choose between a dual-circuit or a single-circuit system, where each operates independently, ensuring flawless service for diverse heating requirements.
High thermal efficiency: Discover the pinnacle of heat transfer excellence within our impeccably sealed vacuum chamber, where cutting-edge design meets superior functionality. Engineered from premium imported stainless steel, celebrated for its outstanding heat conduction capabilities, our heat exchanger stands as a beacon of efficiency, maximizing energy savings and epitomizing the ingenuity of modern engineering.
Absolute safety: Safety is paramount in this boiler, operating with unparalleled excellence under negative pressure to eliminate explosion risks. It comes fully equipped with an array of safety features, including temperature sensors, safety valves, overheat protection, and vacuum control switches. These comprehensive safety measures address every conceivable safety concern, providing unparalleled peace of mind.
Intelligent control: Embrace the future with our advanced digital control system, featuring an intuitive LCD interface that displays in Chinese. Effortlessly manage temperature settings, and monitor furnace and vacuum parameters with real-time precision. Benefit from automatic logging of combustion times and fault detection, creating a seamless operational experience that requires no human intervention.
Eliminate the trouble of registration procedures: Take advantage of a design that simplifies your experience. The negative pressure operation of this boiler effectively eliminates expansion or explosion risks, freeing it from stringent regulatory supervision. Enjoy a seamless installation process, bypassing cumbersome registration procedures, thus enhancing cost efficiency and minimizing administrative burdens.
Energy saving: Achieve pinnacle energy efficiency with minimized heat medium water volume. The innovative vacuum chamber's negative pressure steam facilitates extraordinary heat exchange, delivering warm water at set temperatures within a swift ten minutes, with zero preheating losses. Witness the unparalleled energy-saving benefits firsthand.
Long life: Built to last with superior stainless steel, this heat exchanger promises rapid heat transfer coupled with robust corrosion resistance. Flange connections ensure easy maintenance, while the vacuum state protects against corrosion and scaling. By isolating the heated tube bundle from flame contact, it significantly extends the product's service life.
Insulation structure: Boasting a 100mm double-layer insulation, this boiler expertly minimizes heat loss, keeping its surface comfortably at room temperature. This not only elevates safety but also enhances thermal efficiency, embodying the pinnacle of advanced insulation technology.
Imported low-nitrogen burner: Our burner is engineered for outstanding efficiency, ensuring clean and quiet combustion. Emissions are kept to a bare minimum, meeting and exceeding the rigorous standards set by leading regions nationally.
| 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 showcase environmental mindfulness, with green indicating adherence to the 120 mg standards, eliminating the necessity for additional schematic illustrations.
| 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., a place where innovation seamlessly blends with precision, located on Tieta Road, Guyang Town, Dantu District, Zhenjiang City. This is where our passion for excellence truly comes to life.Jiangsu Weifu is steadfastly committed to integrating boiler marketing resources throughout mainland China. Our expansive and robust marketing network ensures that our prestigious Weifu (oil, gas, electricity) boilers are accessible to customers, offering them unmatched quality, competitive pricing, and extraordinary service. Guided by our steadfast philosophy of 'being a real person and doing things honestly,' at Jiangsu Weifu, we are dedicated to crafting superior products that bring warmth to the world. Within our Weifu boiler markets, we relentlessly pursue customer satisfaction, employee development, shareholder gain, corporate expansion, and contributions to national tax revenues.
Our dynamic team comprises over 200 passionate professionals, including more than 40 expert technicians, all united in the pursuit of engineering excellence. With a vast and modern factory space spanning 20,000 square meters, we specialize in the innovative design and production of advanced gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, backed by state-of-the-art manufacturing and testing infrastructure.
Embracing the core belief 'what customers need is what we make,' we focus on a diverse range of boiler products. Our offerings include vertical/horizontal gas (oil) steam boilers, pressure hot water boilers, electric heating steam boilers, and gas (oil) thermal oil boiler series, encompassing 7 series and nearly 300 different specifications. Our groundbreaking products stand at the pinnacle of innovation, harnessing clean combustion technology to pave the way for a sustainable future. Our horizontal pressure boilers are exemplars of advanced engineering, featuring design innovations such as corrugated furnaces, conical furnaces, threaded smoke pipes, and a robust wet back three-pass configuration. Fitted with imported burners from world-renowned brands like Riello, Aucma, Black & Decker, and Weishaupt, our boilers deliver exceptional efficiency, promote energy conservation, and uphold environmental protection. Integrated with either pressure or normal pressure economizers and condensers, our boilers significantly reduce exhaust temperatures and emissions of dust, nitrogen oxides, and sulfur oxides, making them both energy-efficient and eco-friendly. Weifu Boiler is proud to be recognized as a premier national supplier of small and medium-sized oil (gas, electric) boilers throughout China. Our distinguished clientele spreads across major cities throughout mainland China, highlighting our extensive impact and reach. We are dedicated to leading initiatives in environmental protection and energy conservation across mainland China, making a significant and positive impact.
Certifications
Jiangsu Weifu Special Equipment Co., Ltd. takes immense pride in possessing a distinguished national Class B manufacturing certificate. This accolade underscores our unwavering commitment to excellence in the ever-evolving and competitive boiler industry. At Weifu Boiler, we stand firm with our guiding principles: 'creativity for development, credit for cooperation, and quality for market share.' These core values drive us to stay at the cutting edge, ensuring that we consistently lead the industry with innovation and integrity. We warmly invite you to experience the unparalleled value and groundbreaking ingenuity of Weifu Boiler. With a dedication to delivering unmatched excellence, every product and service we provide reflects our pioneering spirit. Discover how our commitment to quality and innovation sets us apart, offering a superior level of performance and reliability.
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
Audited Supplier 
){kind=link}