Efficient Hot Water Solution: Sustainable Low Nitrogen Boiler Unit

Product Description

Product Description

One machine for multiple purposes: Ingeniously designed with versatility at its core, this vacuum boiler flaunts dual hot water outputs. Experience simultaneous provision of dual hot water streams with differing temperatures. Whether opting for a dual-circuit or single-circuit system, each circuit operates independently, seamlessly catering to diverse heating needs.
High thermal efficiency: Indulge in exceptional heat transfer with this vacuum chamber, flawlessly sealed for maximum performance. Crafted from premium imported stainless steel, revered for its superb heat conduction, our heat exchanger elevates efficiency, ensuring significant energy savings—exemplifying the pinnacle of modern engineering prowess.
Absolute safety: Excellence in operation fortifies safety with this boiler, perpetually maintained under negative pressure to eliminate explosion risks. Equipped with comprehensive safety features: precise temperature sensors, reliable safety valves, overheat protection, and vacuum control switches, it meticulously addresses potential safety concerns, granting you complete peace of mind.

Intelligent control: Revolutionize control with advanced digital technology and an intuitive LCD interface in Chinese. Seamlessly set temperatures, monitor furnace and vacuum parameters in real-time, with automatic logging of combustion times and faults. Experience simplified operations in a world where human intervention becomes obsolete.
Eliminate the trouble of registration procedures: Engineered for seamless operation, this boiler's negative pressure system eradicates expansion or explosion risks, exempting it from stringent oversight. Revel in a hassle-free installation process, steering clear of tedious registration procedures, optimizing cost efficiency, and alleviating administrative burdens.

Energy saving: Optimize energy efficiency through minimized heat medium water volume. The vacuum chamber's negative pressure steam offers unparalleled heat exchange, delivering set-temperature warm water in under ten minutes, with zero preheating losses. Experience remarkable energy-saving results.
Long life: Fabricated from the finest stainless steel, this heat exchanger ensures swift heat transfer and formidable corrosion resistance. Flange connections simplify maintenance, while the vacuum state averts corrosion and scaling. The isolated heated tube bundle remains untouched by flames, significantly extending its service life.
Insulation structure: Incorporating a 100mm double-layer insulation, this boiler drastically reduces heat loss, maintaining its surface at ambient temperature. This not only bolsters safety but also substantially increases thermal efficiency, representing the zenith of cutting-edge insulation technology.
Imported low-nitrogen burner: Our burner operates with outstanding efficiency, ensuring combustion is both clean and quiet. Emissions are kept to a minimum, perfectly aligning with the stringent standards set by leading regions nationwide.

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

For the 2024 edition, rear flue statistics highlight environmental consciousness, with green indicating compliance to 120 mg standards without necessitating 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

Welcome to Jiangsu Weifu Special Equipment Co., Ltd., a beacon of innovation and precision located at Tieta Road, Guyang Town, Dantu District, Zhenjiang City. Here, engineering prowess meets the art of excellence.Jiangsu Weifu is passionately dedicated to harmonizing boiler marketing resources throughout mainland China. Our vast marketing network guarantees that the esteemed Weifu boilers—covering oil, gas, and electricity—reach our valued customers, providing them with unmatched quality, competitive pricing, and outstanding service that sets industry standards. Driven by the philosophy of 'being a real person and doing things honestly,' Jiangsu Weifu excels in crafting superior products that warm the world. Within our Weifu boiler markets, we prioritize customer satisfaction, elevate employee progress, enhance shareholder value, drive corporate growth, and contribute significantly to national tax obligations.
Our team is comprised of over 200 dedicated professionals, including more than 40 expert technicians, all collaboratively striving towards engineering excellence and innovation. Occupying a vast 20,000 square meters of cutting-edge factory space, we excel in crafting and designing high-performance gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, all supported by the latest in manufacturing and testing technology.
Living by the credo 'what customers need is what we make,' we engineer a diverse array of boiler products. Our offerings include vertical/horizontal gas (oil) steam boilers, pressure hot water boilers, electric heating steam boilers, and gas (oil) thermal oil boiler series, encompassing 7 series with nearly 300 specifications. Our products are leaders in innovation, harnessing clean combustion technology to ensure a sustainable future and set new green standards. Our horizontal pressure boilers are a testament to sophisticated design with features like corrugated furnaces, conical furnaces, threaded smoke pipes, and a robust wet back three-pass configuration, demonstrating unmatched engineering capabilities. Incorporating imported burners from top-tier brands such as Riello, Aucma, Black & Decker, and Weishaupt, our boilers achieve outstanding efficiency, energy conservation, and environmental protection, setting a global benchmark. Equipped with pressure or normal pressure economizers and condensers, our boilers are designed to reduce exhaust temperatures and minimize emissions of dust, nitrogen oxides, and sulfur oxides, thus being both energy-efficient and environmentally responsible. Weifu Boiler is proud to stand as a leading national supplier of small and medium-sized oil (gas, electric) boilers throughout China, acclaimed for excellence. Our prestigious client roster spans major cities across mainland China, underscoring our extensive reach and influence. We are devoted to leading environmental protection and energy conservation initiatives across mainland China, inspiring meaningful change.

Certifications

The company proudly holds a prestigious national Class B manufacturing certificate, standing resilient in a dynamic boiler market where opportunities and challenges are ever-present. At Weifu Boiler, we are steadfast in our commitment to 'creativity for development, credit for cooperation, and quality for market share,' ensuring we remain at the forefront of the industry. Join us on a transformative journey as we unveil the exceptional value and pioneering spirit that define Jiangsu Weifu Special Equipment Co., Ltd. We invite you to experience unmatched excellence in every facet of our offerings, from cutting-edge products to unparalleled services. Discover the ethos that drives us and the innovations that set us apart in the world of sustainable low nitrogen boiler 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