Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home

Product Details
Customization: Available
Function: Water Boiler, Steam Boilers, Hot Water Boiler
Fuel: Oil-Fired
Manufacturer/Factory & Trading Company

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  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
  • Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
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  • Overview
  • Product Description
  • Main Products
  • Company Profile
  • Certifications
  • Packaging & Shipping
  • FAQ
Overview

Basic Info.

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
Gas Vacuum Hot Water Boiler
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
One machine for multiple purposes: Revolutionize your water heating experience! Thanks to its unique and innovative design, our vacuum boiler offers dual hot water outputs, providing versatility with different temperature settings. Whether you prefer a dual-circuit system or a single-circuit operation, both options work independently, ensuring that you receive the precise combination of hot water you need, exactly when you need it.
High thermal efficiency: Step into the future of energy efficiency! With heat exchange processes occurring within a fully sealed vacuum chamber crafted from premium imported stainless steel, our heat exchanger promises unmatched heat transfer efficiency. This results in remarkable energy savings, making it not only a smart choice for your home but also an environmentally friendly one.
Absolute safety: Safety is our top priority. The boiler operates under a constant negative pressure, eliminating any risks associated with explosions. Equipped with state-of-the-art safety features like temperature sensors, safety valves, overheat protection, and vacuum control switches, we have meticulously addressed every potential safety concern to ensure your peace of mind.
Intelligent control: Experience the pinnacle of user-friendly technology with our cutting-edge digital control system. Featuring an LCD screen with a Chinese display, it allows for effortless customization of temperature settings. Real-time displays of furnace temperature, vacuum levels, and operational statuses keep you informed, while automated fault recording and no-operator-needed functionality streamline your experience.
Eliminate the trouble of registration procedures: Simplify your installation journey! Our boiler, which functions under negative pressure, bypasses the need for extensive supervision and inspection. Relieve yourself from cumbersome registration procedures, reducing costs and expediting the installation process, bringing you convenience without compromise.
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
Energy saving: Embrace efficiency and sustainability with our cutting-edge design! Utilizing a minimal amount of heat medium water and conducting heat exchange in a vacuum chamber with negative pressure steam, our boiler quickly delivers warm water at your desired temperature within just ten minutes, minimizing preheating losses and maximizing energy conservation.
Long life: Invest in durability with our stainless steel heat exchanger, renowned for its superior heat transfer capabilities and resistance to corrosion. The flange-connected pipe ends facilitate easy maintenance, while a vacuum-sealed furnace body prevents corrosion and scaling. The design ensures the heated tube bundle avoids direct contact with flames or flue gases, significantly extending the boiler's service life.
Insulation structure: Our boiler boasts a 100mm double-layer insulation structure that keeps its external surface at room temperature, enhancing safety while significantly boosting thermal efficiency. Enjoy the perfect combination of safety and performance in one innovative design.
Imported low-nitrogen burner: Optimize your heating system with our imported low-nitrogen burner, featuring high-efficiency combustion. Enjoy the benefits of minimal noise and low exhaust emissions, ensuring compliance with the stringent standards of first-class national environmental regulations.
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, optimized for a rear flue configuration, meets environmental standards with emissions maintained at 120 mg without the need for additional drawings, signified by a green status.
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
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
Company Profile
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every HomeJiangsu Weifu Special Equipment Co., Ltd. proudly stands at Tieta Road, Guyang Town, Dantu District, Zhenjiang City, as a beacon of innovation and excellence in the heart of China's bustling industrial landscape.Our company is dedicated to seamlessly integrating boiler marketing resources across mainland China. Through our expansive marketing network, we bring the essence of Weifu boilers (oil, gas, electricity) directly to our valued customers, emphasizing our commitment to top-notch quality, competitive pricing, and exceptional service. Rooted in the philosophy of 'being a real person and doing things honestly,' Jiangsu Weifu crafts exquisite products that bring warmth to the world. Our operational ethos ensures that customers derive value, employees experience growth, shareholders enjoy benefits, the company sees development, and the country gains vital tax revenue.
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every HomeBolstered by a robust team of over 200 dedicated employees, including a skilled cadre of more than 40 professional technicians, we are well-equipped to meet the industry's demands. With over 20,000 square meters of state-of-the-art factory space, Jiangsu Weifu Special Equipment Co., Ltd. is equipped with cutting-edge manufacturing and testing facilities. We specialize in the design and production of a wide range of boilers, including gas (oil, electricity) hot water boilers, steam boilers, vacuum hot water boilers, and organic carrier boilers.
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every HomeGuided by the philosophy of 'what customers need is what we make,' our products focus primarily on boiler innovations. Our portfolio boasts vertical/horizontal gas (oil) steam boilers, gas (oil) normal pressure/pressure hot water boilers, electric heating steam boilers, thermal oil boiler series, spanning 7 series and nearly 300 specifications. Every product in our lineup harnesses the power of clean combustion technology, setting new standards in environmental responsibility and efficiency. The design of our horizontal pressure boiler body incorporates advanced engineering techniques such as corrugated and conical furnaces, threaded smoke pipes, and a wet-back three-pass structure to optimize performance. Equipped with world-class imported burners like Riello, Aucma, Black & Decker, and Weishaupt, our boilers deliver unmatched efficiency, energy savings, and environmental protection. Our boilers are fitted with either pressure or normal pressure economizers and condensers, significantly reducing exhaust temperatures and minimizing pollutants like dust, nitrogen, and sulfur oxides, making them an epitome of energy-saving and eco-friendliness. Weifu Boiler distinguishes itself as a leading national supplier of small to medium-sized oil (gas, electric) boilers throughout China. Our esteemed clientele is spread across the vast urban expanse of large and medium-sized cities within mainland China. We have made significant strides in promoting environmental protection and energy conservation across China, embodying our commitment to a sustainable future.
Certifications
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every HomeWith pride and prestige, the company maintains a national Class B manufacturing certificate. In a dynamic boiler market where opportunities and challenges dance in tandem, Weifu Boiler navigates the landscape with unwavering commitment to 'creativity for development, credit for cooperation, quality for market share.' Each of these principles represents a cornerstone of our relentless pursuit of excellence. We are excited to share the inherent value and unmatched quality of Weifu Boiler with you, our esteemed partners and customers.
Packaging & Shipping
Cost-Effective Low Nitrogen Condensing Hot Water Boilers for Every Home
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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