Water-heating boilers of the VK series. Hot water boilers of the VK series Hot water boilers of the AKS series

The boilers are designed for heating and hot water supply in various industries and construction, where stationary and mobile automated boiler plants operating in closed heat supply systems are used.

The design of the boilers implemented progressive technical solutions, providing high technical and economic indicators that meet the requirements of both domestic and foreign standards, which is confirmed by the operating experience of these boilers.

The boilers are equipped with a gas burner with an automatic system that provides start-up, shutdown, regulation of heat output and protection in case of violation of the specified operating mode. The completeness of delivery, the absence of brickwork, the presence of a support frame minimize the cost of installing boilers. Boilers practically do not pollute the environment.

Hot water boilers of the VK series

Fire-tube hot water boilers of the VK series are designed for heating and hot water supply of buildings with an absolute water pressure of not more than 0.7 MPa and a maximum heating temperature of 115 0 C. Heating boilers are steel hot water fire-tube boilers. The first stroke of the boilers is formed by a flame tube. The second is formed by fire tubes of the convective part of the boilers.

Name of indicator	VK - 22M	VK - 21	VK - 22
Power MW (Gcal)
Heat output, %
Gas burners for liquid fuel	GGS - B - 1.4 APND - 1.4		GGS - B - 3.5 APND - 3.5
Type of fuel	natural gas GOST 5542-87, light liquid fuel, oil
Consumption: natural gas GOST 5542-87 (m 3 / h) light fuel oil, oil (kg/h)
Water temperature /deg.С/: in front of the boiler after the boiler	not lower than 70	not lower than 70	not lower than 70
Water pressure MPa
The volume of water passed through the boiler (m 3)
Boiler water volume (m 3)
Gas pressure in the boiler manifold (KPa)
Gas pressure in front of the burner (kPa)
Air pressure in front of the burner (kPa)
Rated hydraulic resistance (kpa)
Vacuum behind the boiler (Pa)
Furnace pressure (Pa)
Flue gas temperature ºС
Excess air ratio	from 1.1 to 1.25	from 1.1 to 1.25	from 1.1 to 1.25
		At least 94%
Weight /kg/ no more
Dimensions:
Heated area (m 2)
Heated volume (m 3)

Alapaevsky Boiler Plant LLC also produces spare parts for VK series boilers:

• fire tubes: - with a diameter of 42x3.5 mm to the boiler VK-21, - with a diameter of 57x3.5 mm to the boiler VK-21, VK-22
• tube boards for boilers VK-21 (Ø 57x3.5 mm; 42x3.5 mm), VK-22
• flame pipes to the boiler VK-21 from sheet

Hot water boilers of the AKS series

Boilers of this series are designed for connection to water heating systems, to produce hot water with temperatures up to 103 0 C. These boilers are single-circuit steel water-heating boilers with a two-pass combustion chamber with a reversible furnace. Smoke tubes are arranged horizontally and equipped with turbulators (8). The combustion chamber door (1) can be opened to the left or right. The thermal insulation of the housing (7) is made of mineral wool and aluminum foil. The second layer of thermal insulation made of mineral wool is installed on the steel panels of the red decorative casing. The decorative cover comes in a separate package and is designed for field assembly.

The boilers are designed to work with two-stage forced air burners for gas or liquid fuel. Wiring diagram The boiler is designed for burner control and safety automation.

Specifications
Thermal power, kW		115–150	185–235
Rated operating temperature, °С
Maximum working water pressure, MPa
Coefficient useful action, not less than %
Type of fuel	Natural gas, diesel fuel
Water flow through the boiler (m 3 / h)
Maximum hydraulic resistance, kPa
Boiler weight, kg
Connecting branch pipes of heating, mm
Overall dimensions, mm: Height (according to the connecting pipe)
Æ chimney, mm
Æ pipeline, mm direct water
Æ pipeline mm return water
Heated room area, m 2
Heated volume of the room
Total weight, kg
Required pressure, mbar in the combustion chamber
Water volume, l

Unique Benefits:

AKS boilers are equipped with a special device that prevents the deposition of scale on the heating surfaces and ensures the operation of the boiler without repairs and chemical flushing for the entire service life;

The use of AKS boilers allows the buyer to reduce gas consumption by 3-5%, increase efficiency to 94.4%, reduce the temperature of exhaust gases by 10-15% due to the use of special devices for turbulators.

Boiler VK 21 diagrams drawings

Hot water boiler vk 21.

I offer at the factory price. The boiler ksva 2.0 gs vk 21 is designed for heat supply in a closed circuit.

Automated gas hot water boiler VK 21 kVA 2.0 gs is designed for heat supply in a closed circuit.

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","www.board.com.ua.

Lt b gt examples of circuit diagrams lt b gt single-line lt b gt lt b gt control diagrams.

Until recently, almost all the advantages and disadvantages of water-heating water-tube boilers of the kvg type.

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Schematic diagram copied from the boards of lamps - the scheme of the multicooker power supply.

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Offers:

848000 rub.

We offer a steel water-heating boiler KSVa-2.0 Gs (VK-21). For a wholesale order (from 2 boilers) a price discount is possible. The boiler is intended for heat supply in a closed circuit (without direct water intake from the heating network) of buildings and structures for various purposes, when operating on natural gas. The boiler room in which the boiler is installed must be equipped with installations for pre-boiler treatment of network and make-up water. SNiP ΙΙ-35-76 and the given requirements: Soluble oxygen, mg/kg-0.05, no more, suspended solids, mg/kg-5, no more; carbonate hardness, mg-eq/kn-0.7, no more; free carbon dioxide is absent. The main technical characteristics for the boiler KSVa-2.0 Gs (VK-21): Boiler type-horizontal, fire-tube; nominal heat output, MW-2.0; Water parameters: operating pressure in the boiler, MPa-0.6; temperature at the outlet of the boiler, ºС-95; temperature at the inlet to the boiler, ºС-60; boiler water volume, m³-2.15; furnace volume, m³-1.88; - efficiency, % -91, not less; time to enter the operating mode, min-60, no more; applied fuel: - natural gas GOST 5542-87; main fuel consumption, m3/hour-217, no more; boiler weight, kg-5500, no more; overall dimensions, mm, not more than: length-4400, width-2000; height (without chimney) -2600 - heated volume of building premises, m³-40000 - Recommended burner-GGS-B-2.2.

Published: 24 Jul 2013.
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