Hot Water Boilers with Wooden Packaging - 30 Days for Delivery

• 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: Thanks to an innovative design and structure, our vacuum boiler offers dual hot water outputs. It can provide hot water at varying temperatures simultaneously, utilizing either a dual-circuit or a single-circuit system that operates independently, ensuring flexibility and efficiency for your needs.
High thermal efficiency: The heat exchange process occurs within a completely sealed vacuum chamber. Crafted from high-quality imported stainless steel, the heat exchanger boasts exceptional heat transfer efficiency, delivering remarkable energy savings with its superior thermal performance.
Absolute safety: Operating under a constant negative pressure, the boiler eliminates explosion risks. Equipped with advanced safety features like temperature sensors, safety valves, overheat protection, and vacuum control switches, it ensures comprehensive safety and peace of mind.

Intelligent control: Experience state-of-the-art digital control with an LCD screen that displays in Chinese. The advanced control system allows customizable temperature settings. Real-time displays of furnace temperature, vacuum levels, and automatic recording of operation times and faults, ensure simplicity and hands-free operation.
Eliminate the trouble of registration procedures: Delivered fully assembled and operating under negative pressure, the boiler bypasses the risk of expansion or explosion, exempting it from regulatory supervision and inspection. This significantly simplifies installation and reduces costs by eliminating complex registration procedures.

Energy saving: Featuring a minimal heat medium water quantity, the vacuum chamber conducts efficient heat exchange using negative pressure steam. This process rapidly produces warm water at the desired temperature within minutes, eliminating preheating losses and offering substantial energy savings.
Long life: Crafted from stainless steel known for excellent heat transfer and corrosion resistance, the heat exchanger guarantees rapid thermal conduction. Flange connections on the pipe ends facilitate easy maintenance. The vacuum state prevents corrosion and scaling, extending the lifespan as heated tubes avoid direct flame or flue gas contact.
Insulation structure: Utilizing a robust 100mm double-layer insulation structure, the boiler maintains its exterior at room temperature, enhancing safety while significantly boosting thermal efficiency.
Imported low-nitrogen burner: Experience high-efficiency combustion with minimal noise and reduced exhaust emissions, fully compliant with the stringent standards of first-class environmental zones.

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 adheres to the rear flue system, complying with the green standards without requiring drawings according to the 120 mg criteria.

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 at the strategic location of Tieta Road, Guyang Town, within the dynamic Dantu District of Zhenjiang City, Jiangsu Weifu Special Equipment Co., Ltd. stands as a beacon of innovation and excellence.With a steadfast commitment to unifying boiler marketing resources across the vast expanse of mainland China, Jiangsu Weifu Special Equipment Co., Ltd. delivers the prestigious Weifu brand of boilers-be it oil, gas, or electricity-to discerning customers. Through an expansive and well-integrated marketing network, the company effectively communicates its core values of superior quality, competitive pricing, and unparalleled service. Embodying the guiding principles of integrity and authenticity encapsulated in the motto "being a real person and doing things honestly", the company is dedicated to crafting exceptional products that bring warmth and comfort globally. It champions a philosophy where customers realize true value, employees gain professional growth, shareholders enjoy lucrative benefits, the company experiences sustainable development, and the nation prospers through increased tax revenues.
Boasting a robust workforce of over 200 exemplary individuals, Jiangsu Weifu Special Equipment Co., Ltd. includes a talented cadre of more than 40 specialized technicians, each expertly trained across diverse fields. Spanning an impressive 20,000 square meters, the company's state-of-the-art factory and cutting-edge manufacturing and testing apparatus are dedicated to the expert design and production of various boilers, including gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers.
Guided by the customer-centric philosophy "what customers need is what we make", the company has expanded its portfolio to include a wide range of boiler products. This includes an impressive lineup of vertical and horizontal gas (oil) steam boilers, normal and pressure hot water boilers, electric heating solutions, and thermal oil boiler series, encapsulating seven comprehensive series and nearly 300 distinct specifications. All of Jiangsu Weifu's products proudly incorporate advanced clean combustion technology, setting a benchmark in the industry. The innovative horizontal pressure boiler body design integrates advanced features such as corrugated and conical furnaces, threaded smoke pipes, and a wet back three-pass structure, ensuring superior performance and reliability. Equipped with premium imported burners from globally renowned brands like Riello, Aucma, Black & Decker, and Weishaupt, our boilers achieve remarkable feats of energy efficiency, sustainability, and environmental friendliness. Further enhancing energy conservation and eco-friendliness, the boilers are outfitted with either pressure or normal pressure economizers and condensers. These features effectively minimize exhaust temperature and reduce the presence of dust, nitrogen oxides, and sulfur oxides in the flue gas, significantly elevating the boiler's environmental performance. Weifu Boiler has established its prominence as a national leader in supplying small and medium-sized oil (gas, electric) boilers across China. Our extensive clientele spans the vast geographic scope of mainland China, reaching into the heart of its major and mid-sized cities. Through its operations, Jiangsu Weifu Special Equipment Co., Ltd. plays a pivotal role in advancing environmental protection and energy conservation initiatives throughout mainland China.

Certifications

The company proudly holds a prestigious national Class B manufacturing certificate, showcasing their excellence and commitment to quality. In the dynamic boiler market, where opportunities and challenges coexist, Weifu Boiler consistently adheres to its core principles: fostering creativity for development, upholding credit for successful collaborations, and delivering unmatched quality to secure and expand its market share. We invite you to join us in experiencing and sharing the exceptional value and innovation that Weifu Boiler brings to the industry.

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