Premium High Thermal Efficiency Vacuum Furnace for Modern Needs

• Customization: Available
• Function: Water Boiler, Steam Boilers, Hot Water Boiler
• Fuel: Oil-Fired
• Model NO.: ZKW series
• Installation: Bulk Boiler
• Structure: Fire Tube
• Media: Hot Water
• Water Circulation: Forced Circulation
• Drum Placement: Horizontal Boiler
• Pressure: Pressure
• Manufacturing Level: B
• Burning Style: Chamber Combustion Boiler
• Usage: Industrial, Power Station
• Wooden Packaging: 1
• Delivery Time: 30 Days
• Free Samples: No
• Feature: Customized
• Transport Package: Wooden Packaging
• Specification: Customized
• Trademark: Weifu
• Origin: Jiangsu

Product Description

Product Description

One machine for multiple purposes: Harness cutting-edge design with our vacuum boiler, offering multiple hot water outputs with diverse temperature settings simultaneously. This innovative dual-circuit or independent single-circuit system adapts seamlessly to your heating needs, providing unparalleled flexibility and efficiency.
High thermal efficiency: Experience superior thermal performance with our heat exchanger, crafted from premium imported stainless steel. Its closed-loop vacuum chamber ensures optimal heat circulation, delivering remarkable heat transfer efficiency and substantial energy savings for any application.
Absolute safety: Engineered for peace of mind, our boiler operates under a constant negative pressure that eliminates explosion risks. Equipped with state-of-the-art safety features-temperature sensors, safety valves, overheat protection, and vacuum control switches-every potential risk is meticulously managed for total operational security.

Intelligent control: Experience the future of control with our advanced digital system, complete with an LCD screen and intuitive Chinese display. Easily set temperatures while monitoring real-time furnace conditions. Simplify operations with automatic recording of combustion times and faults to allow seamless, unattended operation.
Eliminate the trouble of registration procedures: Simplify your setup with our pre-assembled boiler, eliminating expansion and explosion worries. Its negative pressure operation exempts you from burdensome registration and inspections, effectively reducing installation costs and administrative hassles.

Energy saving: Benefit from impressive energy efficiency with minimal heat medium water. Our vacuum chamber's negative pressure steam ensures rapid heat exchange, delivering water at set temperatures swiftly without preheating losses, resulting in substantial energy savings.
Long life: Our heat exchanger, crafted from top-tier stainless steel, accentuates rapid heat transfer and boasts impressive corrosion resistance. With flanged pipe connections for easy upkeep, and a vacuum-protected chamber preventing corrosion or scaling, enjoy an extended operational lifespan without contact with flame or flue gases.
Insulation structure: Stay safe and efficient with our 100mm double-layer insulation that maintains the boiler's exterior at room temperature. This thoughtful design enhances safety while significantly boosting thermal efficiency, underscoring our commitment to superior engineering.
Imported low-nitrogen burner: Experience eco-friendly heating with our high-efficiency, low-nitrogen burner, designed for quiet operation and minimal exhaust emissions. Perfectly aligned with top-tier national environmental standards, it's the ideal choice for sustainable performance.

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 model features an innovative design with rear flue arrangements, ensuring compliance with 120 mg standards without the need for additional blueprints, marking a leap forward in clean energy technology.

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 on Tieta Road, Guyang Town in the vibrant Dantu District of Zhenjiang City, Jiangsu Weifu Special Equipment Co., Ltd. stands as a beacon of industrial excellence.Jiangsu Weifu Special Equipment Co., Ltd. is passionately dedicated to weaving a seamless tapestry of boiler marketing resources across mainland China. Our robust marketing network ensures the delivery of Weifu's esteemed concept, unparalleled quality, competitive pricing, and exceptional service for our oil, gas, and electricity-powered boilers directly to our valued customers. Adhering to the profound principle of 'being genuine and conducting business with integrity,' we've embarked on a mission to craft superior products that warm the world. We strive for a symbiotic ecosystem where Weifu's market activities bring tangible value to customers, growth opportunities for employees, rewarding returns for shareholders, promising development for the company, and vital tax revenues for our nation.
Our team comprises an impressive workforce of over 200 dedicated professionals, including more than 40 highly skilled technicians proficient in various fields. Spanning over 20,000 square meters, our state-of-the-art factory is equipped with cutting-edge manufacturing and testing equipment. We specialize in the innovative design and production of gas, oil, and electricity-driven hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers, showcasing our technical prowess.
Guided by the philosophy of crafting solutions exactly to customer demands, Weifu has positioned boiler products as its focal offerings. Our diverse portfolio includes vertical/horizontal gas or oil steam boilers, normal pressure or pressure hot water boilers, electric heating steam boilers, and thermal oil boiler series-totaling 7 distinct series with nearly 300 stunning specifications. Every Weifu product is engineered with clean combustion technology, setting a benchmark for environmental stewardship. Our horizontal pressure boiler designs feature advanced structures like corrugated and conical furnaces, threaded smoke pipes, and the wet-back three-pass system for unrivaled performance. Equipped with high-end imported burners from Riello, Aucma, Black & Decker, and Weishaupt, our boilers deliver outstanding efficiency, energy savings, and environmentally friendly operations. Fitted with pressure or normal pressure economizers and condensers, our boilers significantly cut exhaust temperatures while minimizing dust, nitrogen oxides, and sulfur oxides in the emissions, thereby enhancing both energy efficiency and eco-friendliness. Weifu Boiler has proudly emerged as a key national supplier of small to medium oil, gas, and electric boilers across China. Our esteemed clientele spans the vibrant urban landscapes of large and medium-sized cities throughout mainland China. We are proud contributors to fostering environmental preservation and energy efficiency throughout mainland China.

Certifications

Jiangsu Weifu Special Equipment Co., Ltd. proudly holds a prestigious national Class B manufacturing certificate. As we navigate the vibrant boiler market, where opportunities and challenges intertwine, Weifu Boiler remains steadfast in its commitment to innovation as a catalyst for growth, integrity as the foundation for collaboration, and unparalleled quality as the cornerstone for capturing market share. We invite you to partake in the exceptional value that Weifu Boiler offers, a value rooted in excellence and innovation.

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