Dražice OKC 160 NTR/BP
Code: 120670101Related products
Product detailed description
Indirect heating stationary water heater, boiler Dražice OKC 160 NTR/BP for water heating
Possibility of additional installation of a heating flange type TPK 168 - 8 and for volumes of 200, 250, 300 litres a threaded TJ G 6/4" body
Most common use:
Year-round heating of domestic hot water using water from a gas boiler for connection with priority DHW heating. For the OKC x NTRR type, a combination of a gas boiler and an alternative energy source is possible, or when connecting both heat exchangers in series, an indirect heating tank for boilers over 24 kW.
A newer range of enamelled indirect heating water heaters for floor standing installation with volumes of 100–300 litres, featuring an enamelled tank and a powerful single heat exchanger, or from the 200-litre type onwards two heat exchangers for DHW heating from an external source or a combination of different sources. By connecting both heat exchangers in series, a DHW source with an output of up to 57 kW can be achieved. The heater is equipped with DHW temperature control (a thermostat for controlling a three-way valve or circulation pump) for 230 V/50 Hz voltage, up to 200 litres a safety valve, and a circulation outlet.
In the lower part of the heater there is an inspection flange opening for cleaning the inside of the tank and for the possible insertion of an auxiliary electric heating element of the TPK range from the accessories. For using the heater in a solar system, heaters over 200 litres have a 6/4" fitting available, located above the solar heat exchanger, for the TJ electric heating unit from the accessories section.
| Type | OKC 100 NTR/BP | OKC 125 NTR/BP | OKC 160 NTR/BP | OKC 200 NTR/BP | OKC 250 NTR/BP | OKC 300 NTR/BP |
|---|---|---|---|---|---|---|
| Volume [l] | 95 | 120 | 155 | 210 | 250 | 300 |
| Weight [kg] | 59 | 72 | 82 | 97 | 106 | 111 |
| Heater height [mm] | 815 | 980 | 1 018 | 1 328 | 1 508 | 1 597 |
| Heater diameter [mm] | 524 | 524 | 584 | 584 | 584 | 670 |
| Maximum operating pressure of tank [MPa] | 0,6 | 0,6 | 0,6 | 0,6 | 0,6 | 0,6 |
| Maximum operating pressure of heat exchanger [MPa] | 1 | 1 | 1 | 1 | 1 | 1 |
| Maximum heating water temperature [°C] | 110 | 110 | 110 | 110 | 110 | 110 |
| Maximum DHW temperature [°C] | 80 | 80 | 80 | 80 | 80 | 80 |
| Heating surface of lower heat exchanger [m2] | 1,08 | 1,45 | 1,45 | 1,45 | 1,45 | 1,5 |
| Heating surface of upper heat exchanger [m2] | – | – | – | – | – | – |
| Output of lower/upper heat exchanger (LHE/UHE) [kW] | 24 | 32 | 32 | 32 | 32 | 35 |
| Continuous output DHW.*/LHE ./UHE . [l/h] | 610 | 990 | 990 | 990 | 990 | 1 100 |
| Heating time from 10 °C to 60 °C (by heat exchanger) [min] | 14 | 14 | 17 | 22 | 28 | 24 |
| Heating time by electric energy from 10 °C to 60 °C (2,2 kW) [hr] | 3 | 3,5 | 4,5 | 5,5 | 7 | 8,5 |
| Heating time by electric energy from 10 °C to 60 °C (3–6 kW) [hr] | – | – | – | – | – | 6–3 |
| Electrical protection rating | IP 44 | IP 44 | IP 44 | IP 44 | IP 44 | IP 44 |
| Heat losses [kWh/24 hr] | 0,9 | 1,05 | 1,39 | 1,4 | 1,72 | 1,86 |
Additional parameters
| Category: | indirect-heated stationary |
|---|---|
| Warranty: | 2 years |
| Weight: | 20 kg |
| The item has been sold out… | |
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About the company
Družstevní závody Dražice are the largest manufacturer of water heaters in the Czech Republic, known throughout Europe. Their products are exported to 25 countries around the world. Dražice water heaters are highly sought after by Czech customers, as evidenced by a dominant market share of 50%. The core activity of DZ Dražice is the production and sale of water heaters. These include models in vertical, horizontal, stationary, electric, and combined configurations with capacities ranging from 5 l to 1000 l. In addition, there are also indirect heating stationary storage tanks (heat exchangers) with capacities from 100 l to 1000 l. Another important part of the company's activity is the production of indirect heating water tanks for gas boiler manufacturers.
The goal of DZ Dražice is to strengthen its leading position in the Czech Republic and to rank among the best European companies in the industry. A solid foundation is therefore the excellent tradition and quality of our products, responsible and perfect customer service, and the company's reputation as being responsible towards the environment.
History
1900
The future cooperative enterprise was born: widow Marie Kyselová contributed a grain mill to the company's assets, thus creating a limited liability company named "Grain Storage, Artistic Rolling Mill and Bakery" in Dražice nad Jizerou.
1910–1917
The new management, led by Václav Čančík, following the recommendation of Professor of Prague Technology Ing. Karel Novák, turned to the very promising production and distribution of electrical energy. In 1910, a hydroelectric power plant with two turbines of 300 HP was built. In 1917, 69 municipalities with 8,111 consumers were connected to the Dražice power plant.
1926–1939
The company reached its peak in the second half of the 1920s. It employed 220 workers and owned eight hydroelectric power plants on the Jizera River, a steam power plant, two mills, and a distribution network serving 383 municipalities with 24,080 users. The turnover in 1930 amounted to an impressive three quarters of a billion CZK at that time.
1948
After the forced sale of the distribution networks and subsequent nationalization of a significant part of the cooperative's assets, the company reoriented itself towards products and services for the population, focusing on household and sports use.
1956
One of the programs became the contract production of water heaters under the leadership of former craftsman Mr. Křovák.
1972–1989
In the course of 1972, the development of a combined water heater was completed and introduced into mass production. By the end of the 1980s, Družstevní kombinát Dražice was producing about 13,000 combined water heaters annually and employed approximately 50 workers in this area.
1989–1992
After the political change in 1989, the cooperative was divided into separate commercial companies. One of these companies is the private company Družstevní závody Dražice–strojírna, s.r.o., which took over the production of water heaters.
1992–2003
During this period, there was a rapid development in the production of water heaters. The product range was expanded, technologies were modernized, and production continuously increased. A major modernization took place at the end of 1997 with the construction of a new enameling line. The company became the largest seller of water heaters in the country and began expanding its exports from 1994. The company exports to 16 countries across Europe. In 2003, the company produced 95,000 water heaters and employed 190 workers.
2004–2005
In 2004, a new hall was built as a preparation for the construction of a new enameling kiln. This kiln was built in the summer of 2005 and allowed the company to increase the capacity of the enameling process and improve the enameling procedure. In 2005, the product range was also expanded to include storage tanks, and by the end of the year, new types of rectangular water heaters D-LUX were prepared. In the last year, the company produced 115,000 water heaters and employed 210 workers. In the future, further increases in production capacity, expansion of the product range, and modernization of the existing product range are planned.
2006
In 2006, 100% of the shares of the company Družstevní závody Dražice – strojírna s.r.o. were transferred to the Swedish company NIBE Industrier AB, which thus became the sole owner of DZ Dražice.
2007–2009
During the summer, the company expanded to two assembly lines, increasing production capacity to 150,000 units per year. DZ Dražice also began offering heat pumps under the NIBE brand.
2011
In 2011, a hybrid heater with the possibility of connecting to photovoltaic panels was added to the product range. A heater with intelligent control and many functions OKHE SMART was also introduced.
2014
In September 2014, the new model of the water heater OKHE SMART EVO 3 with smartphone control was presented at the FOR THERM fair.
2016
Since 2016, we have been producing a new range of heaters OKHE and OKCE, and the functions of OKHE SMART have been further improved.
2018
The range of electric water heaters was expanded in 2018 with a flat version – OKHE ONE. Its depth is only 30 mm, making it suitable for installation in confined spaces or areas with limited depth of installation.
2020
This year was marked by the introduction of new small-volume heaters TO in models 5.1 and 10.1. They won two gold medals in the Czech Made competition organized by the Czech Association.
Research and Development
In 2016, the company spent 1,079 thousand CZK on research and development. After the successful launch of the new generation of electric water heaters with electronic regulation OKHE SMART into mass production in the second half of 2015, the year 2016 was significant for DZD in the field of research and development, with the introduction of the new generation of electric OKCE into mass production, which was achieved during the spring months of 2016. Water heaters of the OKCE series account for approximately 50% of the total production.
In the near future, the completion of the development of completely new flat heaters and the start of their serial production are planned. Another priority in the field of research and development in 2017 is the completion of the development of heat storage tanks with higher volumes. Both of these activities will lead to an expansion of the DZD product portfolio.