Product Description

Gas Vacuum Hot Water Boiler - A Testament to Innovation
Versatile Functionality, One Machine, Limitless Purposes: Thanks to its uniquely engineered design, the vacuum boiler boasts dual hot water outputs, delivering dual water supplies at varying temperature gradients simultaneously. This is achieved either through a dual-circuit system or a standalone single-circuit system, each functioning independently to meet diverse needs.
Exceptional Thermal Efficiency: Inside a fully sealed vacuum chamber, the heat exchange process is ingeniously cyclical. Crafted from premium imported stainless steel, the heat exchanger boasts superior thermal transfer capabilities, ensuring top-level efficiency and marked energy conservation.
Unmatched Absolute Safety: Operating under a constant negative pressure state, the risk of explosion is eliminated. Equipped with a suite of safety features—temperature sensors, safety valves, overheat protection, and vacuum control switches—this boiler prioritizes comprehensive safety against potential hazards.
Intelligent Control at Your Fingertips: With cutting-edge digital controls and an LCD interface featuring a Chinese display, the advanced system allows for adjustable temperature settings. Real-time displays of furnace temperature, vacuum levels, and other critical parameters are featured, alongside automatic logging of combustion times and operational errors, ensuring effortless, user-free operation.
Simplified Registration Process Eliminated: Factory-ready, operating under negative pressure, this boiler negates the risk of expansion or explosion, exempting it from regular supervisory inspections. This exemption streamlines installation, bypassing cumbersome registration procedures and minimizing your costs significantly.
Energy Conservation Revolution: Utilizing minimal heat medium water, the vacuum chamber facilitates heat exchange via negative pressure steam, achieving exceptional efficiency. The result is warm water at desired temperatures within a swift ten-minute window, without preheating losses, showcasing a remarkable energy-saving performance.
Durability and Longevity Redefined: Crafted from stainless steel for optimal heat transfer and corrosion resistance, the heat exchanger ensures rapid heat conduction. With flanged pipe ends for effortless maintenance, the vacuum-state furnace body avoids corrosion and scaling. The heated tube bundle remains untouched by flame or flue gas, significantly prolonging its lifespan.
Advanced Insulation Structure: Incorporating a 100mm double-layer insulation design, this boiler minimizes external touch temperatures to ambient conditions, enhancing safety and significantly boosting overall thermal efficiency.
Premium Imported Low-Nitrogen Burner: Experience high-efficiency combustion with minimal noise and low exhaust emissions, meeting the stringent standards of premier national regions.
| 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 |
2024 Boiler Flue Statistics Insight
| |
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, featuring a rear flue design, is depicted in green to indicate no drawing requirements adhering to the 120 mg standard.
| 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
Jiangsu Weifu Special Equipment Co., Ltd. is strategically nestled at the heart of Tieta Road in the picturesque Guyang Town, Dantu District, within Zhenjiang City. This prime location enhances our logistical capabilities and accessibility to our esteemed clientele.Our company is passionately dedicated to the comprehensive integration of boiler marketing resources across mainland China. Through our extensive and robust marketing network, we seamlessly deliver the unparalleled concept, superior quality, competitive pricing, and exceptional service of Weifu's oil, gas, and electricity boilers to our valued customers. Guided by the philosophy of 'being a real person and doing things honestly,' we pride ourselves on crafting exquisite products that bring warmth to the world. In our pursuit of excellence in the Weifu boiler market operations, we ensure that customers receive substantial value, employees achieve growth, shareholders reap rewards, our company experiences development, and we contribute positively to national tax revenue.
Our thriving company boasts a dedicated workforce exceeding 200 talented employees, among whom are over 40 highly skilled professional technicians, each an expert in their respective fields. Occupying more than 20,000 square meters, our state-of-the-art factory houses cutting-edge manufacturing and testing equipment. We specialize in the innovative design and production of a diverse array of gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, all engineered to meet modern-day demands.
Adhering to the customer-centric business philosophy of 'what customers need is what we make,' our focus on boiler products has led to the development of an impressive portfolio. This includes vertical/horizontal gas (oil) steam boilers, pressure and normal pressure hot water boilers, electric heating steam and normal pressure boilers, and the gas (oil) thermal oil boiler series—totaling 7 comprehensive series with nearly 300 distinct specifications. Each of our meticulously crafted products is equipped with state-of-the-art clean combustion technology, ensuring optimal performance and minimal environmental impact. Our horizontal pressure boiler designs feature cutting-edge elements such as corrugated furnaces, conical furnaces, threaded smoke pipes, and the wet back three-pass system, all contributing to enhanced efficiency and effectiveness. To achieve unparalleled levels of efficiency and environmental stewardship, our boilers are integrated with imported burners from renowned brands like Riello, Aucma, Black & Decker, and Weishaupt, ensuring high performance and significant energy savings. Our innovative boilers come equipped with either pressure or normal pressure economizers and condensers. These features significantly lower exhaust temperatures while effectively reducing dust, nitrogen oxides, and sulfur oxides in flue gases, making our boilers an exemplar of energy efficiency and environmental sustainability. Weifu Boiler proudly stands as a distinguished national supplier of small and medium-sized oil (gas, electric) boilers in China, recognized for our commitment to quality and innovation. Our esteemed clientele is widespread, encompassing major and medium-sized cities throughout mainland China, a testament to our expansive reach and trusted reputation. Through our innovative solutions and dedicated operations, we have made significant contributions to environmental protection and energy conservation efforts across mainland China.
Certifications
The company holds a prestigious national Class B manufacturing certificate. In the dynamic boiler market, where opportunities and challenges coexist, Weifu Boiler steadfastly adheres to its guiding principles of 'creativity for development, credit for cooperation, quality for market share.' By leveraging these values, Weifu Boiler stands at the forefront of innovation and reliability, consistently delivering excellence. We are excited to share the exceptional value and innovative spirit of Weifu Boiler with you, ensuring that our solutions not only meet but exceed your expectations.
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