Production Company Oka



Development and production of specialized pipeline valves
News and events

Oka Production Company LLC has completed the mass production of titanium shut-off valves of the KZT series.
10 April 2026
17
The Oka Production Company has successfully completed comprehensive tests of KZT series shut-off valves with a titanium alloy body. The valves are designed for use in cooling systems with seawater at nuclear power plants and other energy facilities.

PF Oka LLC has successfully completed acceptance tests of a prototype of high-temperature shut-off valves
2 April 2026
31
The valves are designed for operation at an operating temperature of up to 450 °C and a maximum design temperature of up to 600 °C. The products are designed for use in technological systems of NPP power equipment, as well as research and experimental nuclear power plants.

The next unique high-pressure DN 150 valve has been shipped to the Akkuyu NPP construction site.
22 March 2026
66
The Oka production company has completed the delivery of the second high-pressure DN 150 bell valve of Class 3 safety for the Akkuyu Nuclear Power Plant in Turkey. The successful acceptance and shipment confirms the stability of production and the trust of international partners in the quality of Oka Production Company's products.
Products
Shut-off bellow valves series КЗО
ТУ 3742-003-57180370-2004
Valve: КЗО 0205, 0207, 0208
Shut-off bellow valves series КЗА
ТУ 3742-010-57180370-2008
Valve: КЗА 0208, 0210, 0210-200
High pressure shut-off bellows valves series КЗА
ТУ 3742-011-57180370-2009
Valve: КЗА 0209
High-temperature bellows valves series КЗА
ТЗ 3742-013-57180370-2025
Valve: КЗА 0207
Titanium shut-off valves series КЗТ
ТЗ 3742-016-57180370-2021
Valve: КЗТ 0208, 0210
Control bellows valves series КЗА
ТУ 3742-004-57180370-2016
Valve: КЗА 0204
Control shut-off valves series КЗА
ТУ 3742-005-57180370-2019
Valve: КЗА 0204, 0214
Control bellows valves series КСР
ТУ 3742-018-57180370-2025
Valve: КСР
High-pressure control bellows valves series КВР
ТУ 3742-028-57180370-2025
Valve: КВР
Control valves series КДР, КДВ
ТУ 3742-019-57180370-2017
Valve: КДР, КДВ
Check bellows valves series КНЗ
ТУ 3742-021-57180370-2016
Valve: КНЗ
Gland shut-off and control valves И…, Т…
ТУ 3742-017-57180370-2016
Valve: И, Т
High pressure shut-off bellows valves series КЗО
ТУ 3742-012-57180370-2010
Valve: КЗО 0209, 0219, 0229
Distribution valves series КТХ
ТУ 3742-002-57180370-2004
Valve: КТХ
Safety valves series ПКП
ТУ 3742-001-57180370-2010
Valve: ПКП
Safety valves series ПКМ
ТУ 3742-100-57180370-2018
Valve: ПКМ 53085, 53062
Axisymmetric check valves series АКЗ
ТУ 3742-015-57180370-2025
Valve: АКЗ 0401, 0405, 0406
Check valves with lifting slide series АКЗ
ТУ 3742-023-57180370-2025
Valve: АКЗ 0402, 0403, 0404
Check valves series АКЗ
ТУ 3742-024-57180370-2025
Valve: АКЗ 0407, 0408
Impulse protective device (IPU) САОЗ ПКО
ТЗ 3742-006-57180370-2025
Valve: ПКО 0523-025/032
Impulse protective device (IPU) СП ЗАЗ / СН ПКН
ТЗ 3742-007-57180370-2025
Valve: ПКН 0525-100/100
Impulse protective device (IPU KD)
ТЗ 3742-008-57180370-2025
Valve: ПКД 0524-100/100
Check valves and gate valves series ОКЗ
ТУ 3742-014-57180370-2017
Valve: ОКЗ
Pressure regulators after itself the series Д
ТУ 3742-022-57180370-2018
Valve: Д21051
Special sewerage fittings series СК
ТУ 3742-020-57180370-2018
Valve: СК58500
Remote control line (ДЛУ)
ТЗ 3742-025-57180370-2025
Valve: ДЛУ 0209-015M1
Disconnecting device for impulse lines
ТЗ 3742-026-57180370-2025
Valve: КОЛ 0209
Air intake and exhaust valves for cooling systems КВО
ТУ 3742-029-57180370-2018
Valve: КВО 5007
Products manufactured to customer drawings
- Parts and assemblies for BZOK control valves
- Control elements for steam generator IPU
- Throttle devices
- Steam filters
- High-pressure machined bends and tees
- Butterfly valves
Production Capabilities









Design
Comprehensive development and launch of products into production in full compliance with the requirements of operating and design organizations, including the requirements of foreign customers. Our product line includes the most востребованные types of valves used at power facilities.
Technologies
A full manufacturing cycle for all parts and assemblies at our own production facilities using unique technologies and special processes. A professional team of qualified technologists and engineers with over 25 years of experience in developing specialized pipeline valves.
Manufacturing
Modern machining workshops equipped with advanced high-tech metalworking equipment, state-of-the-art welding, cladding and heat treatment production. Digitalized production flow management and implementation of production system tools from leading corporations ensure the most comfortable delivery times for customers.
Testing
Ensuring stable quality is the company’s top priority. Every product undergoes control and testing at our own accredited laboratory and testing complex at all stages of the product life cycle. The entire serial range of our pipeline valves is certified.
30+
years of manufacturing experience
200+
units of modern equipment
400+
qualified specialists
9000+
products shipped per year
Central Factory Laboratory





Non-destructive testing
- Ultrasonic testing
- Capillary testing
- Radiographic testing
- Leak testing
- Visual and dimensional inspection
Destructive testing
- Spectral analysis of metals
- Mechanical properties testing
- Metallographic analysis
- Corrosion resistance testing
- Sample preparation
Quality
Geography of supplies
Careers
Career growth
Competitive salary
Training and professional development
Opportunities for growth and self-realization
Contacts
Address
43/2B Ilyich Alley, Pavlovo, Nizhny Novgorod region, 606104, Russia
Phone
+7 (83171) 5-76-06Email
office@okapf.ru
































































