Product Description

Gas Vacuum Hot Water Boiler
One machine for multiple purposes: Marvel at the innovative engineering of our vacuum boiler, exquisitely crafted for versatility and efficiency! Its unique design features a sophisticated dual hot water output system, enabling seamless provisioning of hot water at varied temperatures simultaneously. With the smart choice between dual-circuit or single-circuit systems, it offers you the freedom to operate them independently, ensuring a tailor-made solution for your heating needs.
High thermal efficiency: Experience unparalleled thermal performance with our cutting-edge heat exchanger technology, housed in a meticulously sealed vacuum chamber. Constructed from premium imported stainless steel, this marvel of engineering boasts exceptional heat transfer efficiency, driving significant energy savings and maximizing thermal output.
Absolute safety: Engineered for peace of mind, our boiler maintains a perpetual negative pressure state during operation, completely negating explosion risks. It is fortified with an array of safety features, including precision temperature sensors, robust safety valves, advanced overheat protection, and sophisticated vacuum control switches. Every conceivable safety measure is implemented to mitigate potential hazards, ensuring unrivaled operational security.
Intelligent control: Embrace the future of boiler operation with our state-of-the-art digital control system! Featuring a sleek LCD display and user-friendly Chinese interface, the system offers unprecedented convenience. Effortlessly set your desired temperature, and monitor critical parameters like furnace temperature and vacuum degree in real-time. With automatic recording of combustion times and operational faults, it simplifies operation so thoroughly that it virtually runs itself, requiring no manual oversight.
Eliminate the trouble of registration procedures: Enjoy hassle-free installation with our fully assembled boiler, operating under safe negative pressure. Free from the constraints of expansion or explosion risks, it bypasses the need for regulatory supervision and inspection. This advantage liberates you from cumbersome registration procedures, significantly cutting down on installation costs and administrative burdens.
Energy saving: Our vacuum chamber's ingenious design ensures swift and efficient heat exchange with minimal heat medium water. By utilizing negative pressure steam, it achieves rapid warm water production at your set temperature in under ten minutes, eliminating preheating losses. This results in a strikingly efficient system that boasts remarkable energy savings.
Long life: Crafted for durability, our heat exchanger, made from top-tier stainless steel, excels in rapid heat transfer and resists corrosion. Flanged pipe connections facilitate effortless maintenance and replacement. With its vacuum-sealed furnace body, the system remains corrosion and scale-free, while the absence of direct flame or flue gas contact with the heated tube bundle extends its service life significantly.
Insulation structure: Our advanced 100mm double-layer insulation system is a testament to superior design, reducing the boiler's external touch temperature to room temperature. This not only enhances safety but also significantly boosts the thermal efficiency, ensuring optimal performance.
Imported low-nitrogen burner: Our state-of-the-art low-nitrogen burner ensures efficient combustion with impressively low noise levels and minimal exhaust emissions. It adheres to the stringent standards of the nation's first-class environmental requirements, reflecting our commitment to sustainable innovation.
| 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 latest specifications, with the rear flue designed to meet green standards without drawings, conforming to an output of 120 mg.
| 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 Tieta Road, Guyang Town, Dantu District, Zhenjiang City, Jiangsu Weifu Special Equipment Co., Ltd. emerges as a beacon of innovation and quality.With a steadfast commitment to excellence, Weifu seamlessly unites boiler marketing resources across mainland China. Through an intricate marketing network, the company delivers on its promise of superior quality, competitive pricing, and unparalleled service for its range of oil, gas, and electricity boilers, right into the hands of discerning customers. Driven by the guiding principle of 'authenticity and integrity', Jiangsu Weifu Special Equipment Co., Ltd. crafts exceptional products that warm the world. Throughout the journey of expanding Weifu's market reach, the company ensures that customers derive genuine value, employees experience growth, shareholders enjoy returns, the company thrives, and the nation reaps tax benefits.
The company proudly employs a dynamic workforce of over 200 professionals, with a remarkable team of more than 40 skilled technicians leading the charge. Spanning an impressive 20,000 square meters, Weifu's state-of-the-art facilities house cutting-edge manufacturing and testing equipment. The company specializes in the innovative design and production of an array of gas, oil, and electricity hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers.
Underpinning its business philosophy of 'creating what customers need', the company has adeptly developed a diverse catalog of boiler products. This includes vertical and horizontal gas and oil steam boilers, normal and pressure hot water boilers, electric heating steam and hot water boilers, and the robust gas and oil thermal oil boiler series, culminating in a comprehensive suite of 7 series and nearly 300 tailored specifications. Embracing the forefront of eco-friendly innovation, Weifu's entire product range incorporates groundbreaking clean combustion technology. The sophisticated design of the horizontal pressure boiler incorporates advanced features such as corrugated and conical furnaces, threaded smoke pipes, and a wet back three-pass system, setting new standards in efficiency. Equipped with imported burners from renowned brands like Riello, Aucma, Black & Decker, and Weishaupt, the boiler systems are engineered for peak efficiency, remarkable energy savings, and unmatched environmental responsibility. Augmenting the boiler's capabilities, pressure or normal pressure economizers and condensers work diligently to minimize exhaust temperatures and dramatically reduce emissions of dust, nitrogen oxides, and sulfur oxides, making these boilers paragons of energy efficiency and environmental stewardship. Weifu Boiler stands proudly as a national leader, supplying expertly engineered small to medium-sized oil, gas, and electric boilers throughout China. Its robust clientele spans the expanse of bustling large and medium-sized cities across mainland China. In its unyielding quest for sustainability, Weifu has made significant strides in bolstering environmental protection and promoting energy conservation across the region.
Certifications
Jiangsu Weifu Special Equipment Co., Ltd. proudly holds a prestigious national Class B manufacturing certificate. In the dynamic landscape of the boiler market, where opportunities are vast and challenges are formidable, Weifu Boiler stands resolute. We adhere unwaveringly to our guiding principles: fostering development through creativity, nurturing cooperation through creditworthiness, and capturing market share through superior quality. Join us on a journey of excellence as we share the unmatched value and innovation of Weifu Boiler. Discover how our commitment to quality and ingenuity sets us apart in the competitive world of boiler manufacturing.
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