News and events

30 October 2026

34

A new high‑pressure test bench with high flow characteristics has been put into operation.

The high‑pressure test bench with high flow rate has been commissioned. The bench is designed for cold tests of safety valves and various IPUs, including IPU KD and IPU PG, at pressures up to 30.0 MPa. The total volume of all tanks is more than 370 litres. The section is equipped with a new compressor unit with a capacity of more than 2.5 m³/min. The test bench section is intended both for developing new types of products and for providing testing services to third‑party organizations. The project was implemented with technical assistance from JSC “NITs NPP”.

28 October 2026

28

LLC PF “Oka” has shipped another batch of high‑pressure valves.

The Oka enterprise has shipped high‑pressure bellows valves DN 150, equipped with Tula electric actuators, for the needs of the second power unit of the Rooppur NPP under construction. Each product weighs more than a ton, and its unique feature is that these are the only DN 150 bellows valves operating at a pressure of 20.0 MPa, 350 °C, and they have no analogues in the world.

26 October 2026

20

PF "Oka" has shipped the first production batch of check valves for the Rooppur NPP

Production firm "Oka" has successfully manufactured and dispatched the first production batch of check valves—in DN25 and DN200 sizes—to the construction site of the Rooppur Nuclear Power Plant in Bangladesh. This milestone represents a significant step in the project's implementation and the achievement of key objectives for the construction of the second power unit.

23 October 2026

23

PF "Oka" has completed acceptance testing and initiated serial production of its AKZ 0407 series of check valves (DN 50–300).

During the acceptance tests, the product demonstrated full compliance with all specified parameters as per technical specification TU 3742-024-57180370-2025. Following a commission review, a decision was made to launch serial production of the AKZ 0407 range—covering various sizes and pressure ratings up to 20.0 MPa—including versions equipped with a manual override mechanism (DUP).

13 October 2026

28

Career guidance for schoolchildren and students

Our company traditionally held an excursion for schoolchildren. This time, the guests were students from the 11th grades of Pavlovsk School No. 16. The schoolchildren were able to get acquainted with the full production cycle, see the new equipment, observe various specialized processes, and even take part in some of them.

9 October 2026

30

Participants of the "Academy of trainers of project offices" visited PF "Oka"

Participants of the "Academy of Trainers of Project offices" gathered in PF "Oka" from all over the country. During this event, they exchanged experiences, discussed best project management practices, and gained new knowledge to further develop their skills. The Academy of Trainers of Project Offices is a unique educational platform that unites professionals from various industries. The participants of the event visited the production sites of PF "Oka", where they got acquainted with advanced technologies and innovations in the field of lean manufacturing. The organizers of the event noted the high level of training of the participants and expressed hope for further cooperation with PF "Oka". The participants, in turn, expressed gratitude for the opportunity to share their experience and knowledge in such a friendly and professional atmosphere. The Oka PF continues to actively support educational initiatives and strives to develop human resources in its field.

7 October 2026

22

PF “Oka” is expanding its production capacity: a new horizontal boring center with CNC has been launched.

The manufacturing firm “Oka” continues to implement its strategy of technological modernization and increasing production capacity. As part of the development of a new product line, the company has put into operation a modern horizontal boring machining center with CNC. The new equipment will not only increase production volumes but will also ensure high accuracy and productivity of technological processes.

10 September 2026

43

At the site of JSC “NITs AES”, acceptance tests of a prototype check valve — AKZ 0401, developed and manufactured by LLC “PF ‘Oka’”, have been successfully completed.

The tests confirmed that the product meets the technical requirements of federal standards and regulations, TU 3742-015-57180370-2025, and also demonstrates high quality and reliability. The valve is designed for use in nuclear power plant systems, in service rooms, in sealed enclosures, and in other nuclear energy facilities. Its main purpose is to prevent the reverse flow of the working medium.

8 September 2026

35

Oka Manufacturing Company Successfully Completed Testing of AKZ 0402 Series Check Valves

Oka Manufacturing Company has completed a series of tests on samples of its AKZ 0402 series check valves. The valves are designed for installation on pipelines of nuclear power plants, as well as process systems in the military, gas, oil, petrochemical, chemical, and other industries, to automatically prevent backflow of the working fluid. The products comply with technical specifications TU 3742-023-57180370-2025.

14 July 2026

127

The Oka production company presented its achievements at the exhibition in honor of Pavlovo City Day.

The Oka production company actively participated in the exhibition organized as part of the celebration of Pavlovo City Day. This event provided an excellent opportunity for the company to showcase its latest developments and achievements. The exhibition featured various product samples, including valves that could be disassembled and reassembled. This sparked great interest among visitors, especially children, who eagerly participated in the interactive demonstrations. The working valve, which not only demonstrated its functionality but also provided a refreshing water experience, was particularly popular. This element of the exhibition became a real decoration and attracted the attention of many guests. We would like to express our gratitude to the organizers for this opportunity and hope for further cooperation.

22 June 2026

89

The ATOMY VKUSA team presented unique dishes at the Okskaya Ukha festival.

At the interregional gastronomic festival "Okskaya Ukha," which took place on June 20 in the village of Varezh, the Oka PF presented its team, "ATOMY VKUSA." The team's chefs amazed festival guests with unique dishes, including "Reactor Ukha," "Isotope Vinaigrette," "Lemonade with Ionization," and "Thermonyaderny Kompot." They also performed lively ditties. Our team received high praise from the jury and renowned culinary experts. We won the "Best Taste of Ukha" category. The "Okskaya Ukha" festival was a vibrant and delicious event, bringing together lovers of tradition and good humor.

16 June 2026

52

Employees of the Production Company Oka took an active part in the traditional "Oka-26" swim race, which took place on June 12 on the Oka River.

The participants demonstrated an iron will and competitive spirit by joining the swim, which attracted 49 participants. At the end of the competition, all participants were awarded diplomas and commemorative medals. However, the most valuable prize for everyone was the unforgettable emotions, the boost of energy, and the uplifted mood. We thank the organizers, participants, and spectators for this wonderful sporting event that united everyone present.

9 June 2026

50

Oka celebrated its 35th anniversary and Children's Day with a holiday for young guests

The production company Oka held an unusual double holiday: the company celebrated its 35th anniversary and International Children's Day. The main characters of the celebration were the sons and daughters of the employees. For the children, a real children's holiday was organized with fun contests, games and surprises. But the most interesting part was the tour of the production sites of the enterprise. The children saw with their own eyes how and where their mothers and fathers work, and they learned about the details that go into making finished products and why the factory is called Oka. This journey into the world of adult professions was not only exciting, but also very educational, and the young guests returned home with new knowledge and vivid impressions. Comment from the Director of Oka: "It is important for us that children feel proud of their parents' work and understand what our company does. 35 years is a significant milestone, and we decided to celebrate it with the families of our employees.

3 June 2026

50

A delegation of chief doctors visited the production site of Production Company Oka

Representatives of the medical community from 12 regions of Russia paid a visit to the production site of PF Oka as part of a working trip to Pavlovsky Municipal District. The delegation included heads of regional competence centers and medical organizations from Udmurtia, Lipetsk, Kaliningrad, Moscow, Tyumen, Kemerovo, Nizhny Novgorod regions, Perm and Krasnodar Territories, the Republic of Adygea, the Republic of Sakha and St. Petersburg. The purpose of the visit was to study best practices in production organization and implement lean production principles in the medical field. The delegation consists of 22 people and is part of the Federal Club of Lean Chief Physicians program under the auspices of the Rosatom State Corporation. The visit to the enterprise was part of an extensive exchange program between Russian regions in the field of optimizing production processes and implementing modern management solutions.

8 May 2026

63

Delivery of DN100 high-pressure valves to the Akkuyu NPP construction site

Oka has manufactured and delivered large-diameter high-pressure valves for installation. The valves are being used in the hydraulic testing phase of the first and second circuits of the first power unit. In addition, the total number of valves manufactured for the Akkuyu NPP Unit 1 has exceeded 6,600 units.

6 May 2026

44

Students from School No. 16 visited the Oka production company.

As part of the tour, the students inspected key production areas and modern laboratories, where they were told about the technological processes of product manufacturing. The tour was conducted by experienced company specialists: Sergey Lepeshkin, Head of the Central Factory Laboratory, and Sergey Rabazov, Head of the Production System Development Department. They provided detailed information about each stage of production, demonstrated the latest equipment, and answered numerous questions from the students. We are glad that we were able to introduce our production to the students and perhaps inspire them to choose an engineering or technical field in the future.

30 April 2026

57

Track and Field Relay in Pavlovsky District

Among several teams, the team of the Production Company "Oka" also took part in the competition: 1. Stovba Ksenia 2. Filippova Daria 3. Zudina Ksenia 4. Sushkova Yulia 5. Pavel Ikonnikov 6. Dmitry Dogadin 7. Maxim Prokhanov 8. Ruslan Medvedev 9. Kirill Kochetkov 10. Denis Lebedev Competitions of this kind help to develop mass sports, inspiring people of all ages to engage in physical culture and lead a healthy lifestyle.

24 April 2026

29

Obtaining new licenses for nuclear facilities and storage sites

The Oka enterprise has completed the licensing procedure and obtained new licenses for the right to design and manufacture equipment for complexes with industrial, experimental, and research nuclear reactors, facilities and structures for storing nuclear materials, radioactive substances, and waste, and for the disposal of radioactive waste.