Product Description

Gas Vacuum Hot Water Boiler
One Machine for Multiple Purposes: Thanks to its revolutionary design and structure, our vacuum boiler masterfully delivers dual hot water outputs, offering different temperature levels simultaneously. Whether you choose a dual-circuit system or opt for a single-circuit system, each can stand independently, catering to diverse user needs with seamless efficiency.
High Thermal Efficiency: Our advanced heat exchanger operates within a fully sealed vacuum chamber, ensuring optimal heat circulation. Constructed from premium imported stainless steel, it boasts exceptional heat transfer capabilities. Experience unparalleled energy savings as our heat exchanger excels in efficiency, turning your energy costs into substantial savings.
Absolute Safety: Engineered for utmost safety, this boiler consistently runs under negative pressure, completely eliminating explosion risks. Equipped with sophisticated features like temperature sensors, safety valves, overheat protection, and vacuum control switches, every potential safety concern is meticulously addressed, ensuring peace of mind for all users.
Intelligent Control: Experience cutting-edge control with our digital interface featuring an intuitive LCD screen and Chinese display. Tailor the temperature settings effortlessly, view real-time furnace temperatures, vacuum levels, and more. With automatic logging of combustion times and operating faults, the simplicity of operation means it can run efficiently even without constant human oversight.
Eliminate the Trouble of Registration Procedures: Shipped fully assembled and ready to operate under negative pressure, our boiler circumvents the risk of expansion or explosion, freeing you from the intricate registration processes typically required by oversight bodies. This strategic advantage not only simplifies installation but also significantly reduces your administrative costs.
Energy Saving: Tailored for energy efficiency, our boiler uses minimal heat medium water, conducting heat exchange within a negative pressure vacuum chamber. Achieving the desired water temperature in under ten minutes without preheating loss, the energy-saving outcomes are remarkably impactful, maximizing your resource utilization.
Long Life: Crafted from superior stainless steel for optimal heat transfer and corrosion resistance, our heat exchanger promises rapid heat conduction. Featuring flange-connected pipe ends for straightforward maintenance, the vacuum-sealed furnace body ensures no corrosion or scaling. With the heated tube bundle shielded from direct flame and flue gas exposure, the lifespan is impressively prolonged.
Insulation Structure: Our innovative 100mm double-layer insulation structure effectively reduces surface temperature to ambient levels, enhancing safety while boosting the boiler's thermal efficiency. Experience heightened safety and superior heat retention, ensuring your boiler performs at its peak.
Imported Low-Nitrogen Burner: Enjoy superior combustion efficiency with our imported low-nitrogen burner. Operating with low noise and minimal exhaust emissions, it meets the stringent requirements of first-class areas nationwide, ensuring compliance and eco-friendliness.
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 |
Our 2024 version statistics, based on the rear flue performance, demonstrate our commitment to eco-friendly practices with emission standards below 120 mg, underscoring our green initiative and superior environmental compliance.
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 bustling heart of Zhenjiang City, Jiangsu Weifu Special Equipment Co., Ltd. stands proudly on Tieta Road, Guyang Town, Dantu District, as a beacon of engineering excellence and innovation.With unwavering dedication, Jiangsu Weifu Special Equipment Co., Ltd. seamlessly integrates an extensive array of boiler marketing resources across mainland China. Through a robust and expansive marketing network, the essence of Weifu's exceptional oil, gas, and electricity boilers is delivered to customers nationwide, reflecting our steadfast commitment to excellence in concept, quality, pricing, and service. Guided by the philosophy of 'being a real person and doing things honestly,' Jiangsu Weifu Special Equipment Co., Ltd. is driven to craft exceptional products that warm the world. Our holistic approach ensures that customers gain value, employees experience growth, shareholders enjoy returns, the company achieves remarkable development, and the nation benefits from enhanced tax revenues during our thriving Weifu boiler market operations.
Boasting a richly talented workforce exceeding 200 individuals, Jiangsu Weifu Special Equipment Co., Ltd. prides itself on having more than 40 skilled professional technicians, each contributing their unique expertise to drive the company's success. Encompassing over 20,000 square meters of state-of-the-art factory facilities, Jiangsu Weifu Special Equipment Co., Ltd. is equipped with cutting-edge manufacturing and testing equipment. We specialize in the design and production of premium quality gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, ensuring reliability and innovation in every product.
Embracing the core philosophy of 'what customers need is what we make,' Jiangsu Weifu Special Equipment Co., Ltd. places boiler products at the forefront of its offerings. We have meticulously developed an impressive lineup of vertical and horizontal gas (oil) steam boilers, normal pressure and pressure hot water boilers, electric heating steam boilers, and thermal oil boiler series, spanning 7 distinct series and nearly 300 specifications that cater to diverse needs. All products from Jiangsu Weifu Special Equipment Co., Ltd. proudly incorporate advanced clean combustion technology, ensuring efficiency and sustainability with every use. Our meticulously engineered horizontal pressure boiler bodies boast sophisticated designs, incorporating features such as corrugated furnaces, conical furnaces, threaded smoke pipes, and the efficient wet back three-pass system, delivering unparalleled performance and reliability. Equipped with top-tier imported burners from renowned brands like Riello, Aucma, Black & Decker, and Weishaupt, our boilers achieve remarkable feats of high efficiency, energy conservation, and superior environmental protection. Our innovative boiler designs are enhanced with pressure or normal pressure economizers and condensers. These features not only lower exhaust temperatures but also significantly reduce dust, nitrogen oxides, and sulfur oxides in flue gases, making our boilers a paragon of energy efficiency and environmental stewardship. Jiangsu Weifu Boiler has proudly emerged as a premier national supplier, specializing in small to medium-sized oil, gas, and electric boilers throughout China, setting benchmark standards for quality and reliability. Our esteemed clientele spans across the vast expanse of mainland China, flourishing in both large and medium-sized cities, as we continue to deliver exceptional products and services. Through our unwavering commitment to technological innovation and sustainable practices, Jiangsu Weifu Special Equipment Co., Ltd. has made significant strides in promoting environmental protection and energy conservation across mainland China.
Certifications
Jiangsu Weifu Special Equipment Co., Ltd. holds the prestigious national Class B manufacturing certificate. In a dynamic boiler market teeming with both exhilarating opportunities and formidable challenges, Weifu Boiler stands as a beacon of innovation and reliability. We firmly uphold the principle of 'creativity for development, credit for cooperation, quality for market share,' ensuring that our products not only meet but exceed industry standards. Join us on an exciting journey as we unfold the value and excellence of Weifu Boiler, where innovation meets integrity and quality paves the path to success.
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