Shipborne valves and fittings for civil fleet

Relief valves are purposed for automatic protection of equipment and pipelines from overpressure by releasing (discharging) excessive operating medium. Relief valves are supplied in accordance with technical specification ГКЛИ.494141.001 ТУ. Valves design ensures reliable operation and eliminates possibility of random change of their adjustment and appearance of unallowable shocks due to actuation of valves.

Application area: shipborne systems (secondary duct systems, nitrogen systems, dehydrating systems, etc.).

Main specifications:
– Nominal diameter: DN 6,20 mm;
– Nominal pressure: PN 2,5-25 MPa;
– Operational pressure: Рр 0,2-0,4; 10-23; 0,65-1,0 MPa;
– Housing material: corrosion-resisting steel, brass;
– Operating medium: vapor, temperature range from + 250°C to + 300°C; air, nitrogen, temperature range from –40°C to +50°C;
– Joint: nipple joint, in accordance with standards GOST 2822-78 and ОСТ5Р.5307-76;
– Full specified lifetime: 40 years;
– Specified lifetime to plant repair: 20 years;
– Full assigned resource: 12000 hours;
– Assigned resource to plant repair: 6000 hours and 500 actuation cycles;
– 3rd Safety class in accordance with Rules for classification and construction of atomic vessels and floating structures of RMRS;
– 3rd Safety class in accordance with НП-022-17;
– Climatic version: В5.

Pneumatic distribution valves are purposed for distribution of pressure air flows in pipelines. Technical parameters of pneumatic distribution valves, designed by DB Armas (JSC SSTC), allow developing optimal arrangement of various pipeline systems.
Following pneumatic distribution valves are supplied in accordance with technical specification ИТШЛ.494611.026 ТУ: three-pass, four-pass (single-coil and two-coil).

Application area: shipborne pneumatic systems (purposed for control of pipeline fittings of ventilation systems, cooling systems, condensate systems, main and auxiliary steam systems, HP and LP blow systems, oil systems, fuel systems, etc.).

Main specifications:
– Nominal diameter: DN 6 mm;
– Nominal pressure: PN 0,5-5 MPa;
– Housing material: corrosion-resisting steel;
– Operating medium: air (oil content in free air shall not exceed 2 • 10-4 mg/l; particles size shall not exceed 5 micron);
– Joint: nipple joint М 22х1,5 in accordance with GOST 2822-78;
– Environmental temperature range – from 0 to + 50 °С;
– Full specified lifetime: 45 years;
– Specified lifetime to plant repair: 15 years;
– Full assigned resource: 180000 hours;
– Assigned resource to plant repair: 60000 hours and 15000 actuation cycles;
– Drive type – electromagnetic drive (DC or rectified AC current (full-wave rectification) with frequency of 50 Hz and voltage – 24 V, nominal capacity – 15 W) and backup manual drive (lockable turning handle);
– Climatic version: В5;
– Equipped with additional fixation points.

Control valves are purposed for controlling operating medium flow in pipeline systems. Control valves with high-performance axial flow tube, developed by DB Armas (JSC SSTC), minimize flow deformation and ensure high flow capacity, minimal flow friction when open and high accuracy of adjustment. Control valves are supplied in accordance with technical specification ИТШЛ.493125.010 ТУ and may be equipped with various controls: hydraulic drive, pneumatic drive, electric drive.

Application area:
– shipborne systems (dehydrating system, ballasting system, cooling system, steam system, feed water flow control system, liquids heat system, system for adjustment, control and protection ofmain turbine-type generators);
– gas transmission system (HP gas pipelines, equipment of gas producing facilities and gas collecting stations, gas processing plants, underground gas storages, lineal parts of gas mains,equipment of compressor stations, booster stations, gas distribution and gas-measuring stations);
– oil pipe lines (lineal parts of oil and oil-products mains, outputs of mains pump stations, systems of pump stations, inputs of storage plants, outputs of storage plants, facilities for tankers loading in oil terminals).

Main specifications:
– Nominal diameter: DN 100, 200, 500 mm;
– Nominal pressure: PN 10-25 MPa;
– Operating medium: seawater, fresh water, air, diesel fuel, oil products, oils;
– Housing material: corrosion-resisting steel;
– Joints: Flange joints in accordance with GOST 28919-91;
– Full specified lifetime: 10 years;
– Specified lifetime to plant repair: 5 years;
– Full assigned resource: 10000 operating cycles;
– Assigned resource to plant repair: 5000 operating cycles;
– Climatic version – ОМ5.