Product Description
Gas Vacuum Hot Water Boiler
One machine for multiple purposes: The ingeniously crafted vacuum boiler by Jiangsu Weifu Special Equipment Co., Ltd. is designed with an advanced dual-circuit and single-circuit system, offering the versatility of providing dual hot water outputs with distinct temperature settings simultaneously. This innovative feature allows independent operation for a variety of applications, ensuring maximum flexibility and efficiency.
High thermal efficiency: Engineered with a closed-loop heat exchange system within a completely sealed vacuum chamber, this state-of-the-art boiler utilizes imported stainless steel materials renowned for their exceptional thermal conductivity. This results in remarkable heat exchange efficiency, guaranteeing substantial energy savings while delivering unparalleled performance.
Absolute safety: Operating in a continuous negative pressure environment, this boiler from Jiangsu Weifu Special Equipment Co., Ltd. eliminates explosion risks. With a comprehensive suite of safety features, including temperature sensors, safety valves, overheat protection, and vacuum control switches, the system proactively addresses and mitigates potential hazards, ensuring peace of mind and robust safety for all users.
Intelligent control: Experience unparalleled convenience with an intelligent control system boasting a digital interface and LCD display with Chinese language support. This advanced system allows for easy temperature customization, real-time monitoring of furnace conditions, and automatic logging of operational data, such as combustion duration and fault alerts. With its user-friendly interface, the boiler is designed for flawless, autonomous operation.
Eliminate the trouble of registration procedures: Optimized for ease of installation and operation, this boiler's design operates under negative pressure, negating risks of expansion or explosion. Consequently, it bypasses the need for stringent regulatory supervision, liberating you from cumbersome registration protocols and significantly minimizing associated costs.
Energy saving: Harnessing the power of an efficient heat medium water system within the vacuum chamber, this boiler rapidly produces water at the desired temperature in under ten minutes, all while minimizing preheating energy losses. The result is an eco-friendly and highly efficient energy-saving operation that enhances performance and reduces your carbon footprint.
Long life: Constructed with premium stainless steel for optimal heat transfer efficiency, this heat exchanger offers rapid thermal conduction and robust corrosion resistance. With flange connections for effortless maintenance, the vacuum-sealed furnace body prevents corrosion and scaling, safeguarding the tube bundle from direct flame or flue gas exposure and significantly extending its lifespan.
Insulation structure: Featuring a robust 100mm double-layer insulation structure, this boiler minimizes external surface temperature to ambient levels, enhancing safety and dramatically boosting thermal efficiency. This thoughtful design choice ensures both operational safety and superior energy performance.
Imported low-nitrogen burner: Achieving high combustion efficiency, this imported burner produces low noise and emissions, complying effortlessly with stringent national environmental standards, especially those in first-class areas.
| 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 |
The 2024 edition adheres to the rear flue design specifications. The green label signifies compliance with the 120 mg limit, ensuring no additional drawings are necessary for verification.
| 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
Nestled in the heart of Tieta Road, Guyang Town, Dantu District, Zhenjiang City, Jiangsu Weifu Special Equipment Co., Ltd. stands as a beacon of innovation and excellence in the boiler industry.Embracing a dynamic and all-encompassing approach, the company skillfully integrates boiler marketing resources across the expanse of mainland China. Through its robust marketing network, Weifu delivers not just boilers, but a promise of unparalleled quality, competitive pricing, and exceptional service, encompassing oil, gas, and electricity variants, to its discerning clientele. Guided by the profound ethos of 'being a real person and doing things honestly', Jiangsu Weifu is a testament to crafting superior products designed to bring warmth to the world. Our philosophy champions the creation of immense value for customers, enhancement of skills for employees, lucrative returns for shareholders, robust growth for the company, and significant tax contributions to the nation.
With a thriving team of over 200 dedicated employees, the company boasts more than 40 skilled professional technicians, each bringing unparalleled expertise to the table. Spanning over an impressive 20,000 square meters, our state-of-the-art factory is equipped with cutting-edge manufacturing and testing facilities. We specialize in the innovative design and production of a comprehensive range of boilers including gas, oil, and electricity hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, setting new benchmarks in the industry.
Driven by the principle 'what customers need is what we make', our business philosophy centers around fulfilling customer requirements with precision-engineered boiler products. Our portfolio has expanded to feature seven diverse series with nearly 300 specifications, encompassing vertical and horizontal steam and hot water boilers in both pressure and normal pressure configurations, along with electric heating and thermal oil boiler series. Every product in our line-up proudly integrates cutting-edge clean combustion technology, setting the standard for efficient energy use. Our horizontal pressure boiler designs are testament to innovation, incorporating advanced structures such as corrugated furnaces, conical furnaces, threaded smoke pipes, and the superior wet back three-pass system, ensuring optimal performance and longevity. Equipped with world-class imported burners from Riello, Aucma, Black & Decker, and Weishaupt, our boilers achieve a harmonious blend of high efficiency, energy conservation, and environmental stewardship. Engineered with both pressure and normal pressure economizers and condensers, our boilers significantly lower exhaust temperatures. This not only enhances energy efficiency but also drastically reduces flue gas pollutants, including dust, nitrogen, and sulfur oxides, thereby promoting a greener planet. Weifu Boiler has proudly emerged as a leading national supplier, catering to small and medium-sized oil, gas, and electric boilers throughout China. Our esteemed clientele spans across the thriving landscapes of large and medium-sized cities in mainland China, attesting to our expansive reach and trusted reputation. Jiangsu Weifu's commitment to environmental protection and energy efficiency has made a significant impact on the sustainable development of mainland China.
Certifications
The company holds a prestigious national Class B manufacturing certificate. In the dynamic boiler market, where opportunities abound alongside challenges, Weifu Boiler remains steadfast in its commitment to innovation for growth, integrity for collaboration, and superior quality to secure market leadership. We warmly invite you to discover and share in the exceptional value that Weifu Boiler offers.
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}