Product Description
Gas Vacuum Hot Water Boiler
One machine for multiple purposes: Thanks to its innovative design and exceptional structure, our vacuum boiler excels in versatility. It features dual hot water outputs, providing two different temperature levels simultaneously. This is achieved through a sophisticated dual-circuit system, which can also function independently as a single-circuit system, catering to diverse needs with unmatched flexibility.
High thermal efficiency: Experience outstanding thermal transfer within a completely sealed vacuum chamber. Constructed using premium imported stainless steel with superior heat transfer capabilities, our heat exchanger delivers exceptional energy efficiency. Benefit from significant energy savings and optimal performance with each use.
Absolute safety: Our boiler operates under negative pressure, ensuring a zero-risk environment free from explosion hazards. It is equipped with cutting-edge safety features, including temperature sensors, safety valves, overheat protection, and vacuum control switches. These multi-layer protective measures address every potential safety concern for peace of mind.
Intelligent control: Equipped with a state-of-the-art digital control system, featuring an intuitive LCD screen with a Chinese display, this advanced system allows easy temperature settings. Real-time monitoring of furnace temperature, vacuum degree, and more is displayed, while combustion times and operational faults are automatically recorded. Experience effortless operation, even without manual intervention.
Eliminate the trouble of registration procedures: Our fully assembled boiler operates securely under negative pressure, eliminating risks of expansion and explosion. It is exempt from stringent supervision and inspection, simplifying installation by bypassing complex functional department registration procedures, helping you cut costs significantly.
Energy saving: Featuring minimal heat medium water usage, efficient heat exchange occurs in a vacuum chamber with negative pressure steam. Warm water reaches the desired temperature within just ten minutes, without preheating losses. Enjoy substantial energy savings with every use.
Long life: Crafted from top-quality stainless steel, our heat exchanger excels in rapid heat transfer and corrosion resistance. Flanged pipe ends ensure easy maintenance and replacement. Operating in a vacuum state prevents corrosion and scaling, and the heated tube bundle avoids direct contact with flame or flue gas, extending the product's lifespan impressively.
Insulation structure: Our cutting-edge 100mm double-layer insulation structure minimizes the boiler's external touch temperature to room level. This not only enhances safety but also significantly boosts the boiler's thermal efficiency, providing a superior user experience.
Imported low-nitrogen burner: Enjoy high-efficiency combustion with minimal noise and low emissions. Our burner meets the stringent requirements of top-tier regions nationwide, offering an eco-friendly and quiet operation.
| 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 version features a redesigned rear flue. With greener technology, it adheres to the 120 mg criteria without the need for additional drawings.
| 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. finds its esteemed headquarters gracefully nestled along Tieta Road, within the vibrant Guyang Town of Dantu District, Zhenjiang City.This pioneering company is dedicated to the seamless integration of boiler marketing resources across the vast expanse of mainland China. Through a dynamic marketing network, it eloquently communicates the esteemed Weifu brand's commitment to excellence in concept, superior quality, competitive pricing, and unparalleled service for its diverse range of oil, gas, and electricity boilers. Upholding the noble ethos of 'being a real person and doing things honestly,' the company strives to craft exquisite products that bring warmth to the world. In its visionary Weifu boiler market operations, customers are awarded value, employees witness remarkable improvement, shareholders enjoy lucrative benefits, the company experiences flourishing development, and the nation gains substantial tax revenue.
Boasting a talented workforce of over 200 dedicated employees, Jiangsu Weifu Special Equipment Co., Ltd. prides itself on having more than 40 highly skilled professional technicians specializing in various fields. Spanning over 20,000 square meters, the company's state-of-the-art factory buildings house cutting-edge manufacturing and testing equipment. Specializing in the innovative design and manufacture of versatile gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, the company is a leader in the industry.
Adhering to the customer-centric business philosophy of 'what customers need is what we make,' the company focuses on its core strength in boiler products. With an expansive product line featuring vertical and horizontal gas (oil) steam boilers, pressure and normal pressure hot water boilers, electric heating steam and hot water boilers, and thermal oil boiler series, it offers 7 comprehensive series with nearly 300 distinct specifications. Weifu's products proudly incorporate cutting-edge clean combustion technology, setting new standards in the industry. The innovative horizontal pressure boiler design employs superior structures like corrugated furnace, conical furnace, threaded smoke pipe, and the efficient wet back three-pass system. Equipped with globally recognized imported burners from renowned brands such as Riello, Aucma, Black & Decker, and Weishaupt, the boilers achieve exceptional efficiency, substantial energy savings, and impressive environmental protection. Enhanced with either pressure or normal pressure economizers and condensers, the boilers are optimized to significantly lower exhaust temperatures. This remarkable innovation also reduces dust, nitrogen oxides, and sulfur oxides emissions, rendering the boilers more energy-efficient and environmentally friendly. Weifu Boiler has proudly emerged as a national leader, supplying small and medium-sized oil, gas, and electric boilers throughout China, earning a reputation for reliability and excellence. Its extensive customer base strategically spans large and medium-sized cities across the mainland, ensuring broad accessibility and robust service delivery. The company's unwavering commitment to environmental protection and energy conservation has made a profound impact in mainland China, championing sustainability.
Certifications
With a prestigious National Class B manufacturing certificate under its belt, Jiangsu Weifu Special Equipment Co., Ltd. stands as a beacon of excellence in the competitive boiler market. Where opportunity meets challenge, Weifu Boiler thrives with a steadfast commitment to innovative development, fostering trust through cooperation, and relentlessly pursuing quality to secure significant market presence. We are excited to share the unparalleled value and excellence of Weifu Boiler with you, as we continue to set industry standards and drive forward with innovative solutions.
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
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