Tokyo Ryuki ODM?300S2ST Differential-Pressure Flow Meter
Tokyo Ryuki ODM?300S2ST Differential-Pressure Flow Meter
The Tokyo Ryuki ODM-300S2ST is a differential-pressure type sea-water flow meter from the trusted ODM-300 series, designed specifically for marine, offshore, ship engine-room and seawater service applications. Manufactured by Tokyo Ryuki Kogyo Co., Ltd., Japan, this marine-grade instrument provides accurate, reliable, and stable indication of seawater flow, ideal for cooling-water lines, ballast systems, and general sea-water service.
This ODM-300S2ST model is built to withstand harsh marine environments, with corrosion-resistant construction and a clearly marked SEA WATER dial scale. The system operates using an orifice/differential-pressure detector connected via impulse piping to a local pointer indicator, allowing visual flow reading even in tough shipboard conditions. The ODM-300 series supports remote mounting up to approx. 100 meters, making it suitable for distributed engine-room layouts.
Nameplate / Identification Details
• Manufacturer: Tokyo Ryuki Kogyo Co., Ltd. – Japan
• Model: ODM-300S2ST (ODM-300 Series)
• Medium: Sea Water (dial marked “SEA WATER”)
• Manufacturing Date: 2022-05
• Manufacturing Number: FMR20674
Function & Operation
The Tokyo Ryuki ODM-300 flow meter measures seawater flow using differential pressure created across an orifice or primary element. The pressure difference is transmitted to the indicator via impulse lines or capillary tubing, converting it into a clear analog pointer reading.
Benefits include:
• No external power supply needed
• Simple mechanical reliability
• Easy local visual monitoring
• Stable performance in marine conditions
Typical Specifications (ODM-300 Series Overview)
(Values may vary based on ordered configuration)
• Flow Range Examples: around 5–50 m³/h typical for seawater service
• Flanges: JIS 5K / JIS 10K options commonly used
• Materials: SUS stainless steel or PVC wetted parts depending on specification
• Indicator Distance: Remote installation capability up to approx. 100 m
Applications
• Ship engine room seawater systems
• Main engine and auxiliary engine cooling lines
• Ballast water flow monitoring
• General seawater supply monitoring
• Marine and offshore machinery cooling systems
Product Features
• Designed for seawater flow indication
• Robust Japan quality construction
• Local analog pointer display – easy to read
• Suitable for harsh marine environments
• Reliable DP flow measurement principle
• Supports remote indicator installation
• Proven ODM-300 marine series design
Global Export – Gani Marine Exporter
Russia : Moscow, Saint Petersburg, Novorossiysk, Vladivostok, Murmansk, Kaliningrad, Sochi, Arkhangelsk, Rostov-on-Don, and other port cities.
UAE – United Arab Emirates : Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Khor Fakkan, Umm Al Quwain, and all industrial and port zones.
China : Shanghai, Shenzhen, Guangzhou, Qingdao, Tianjin, Hong Kong, Dalian, Xiamen, Ningbo, Chongqing, Wuhan, and other major cities.
UK : London, Liverpool, Southampton, Newcastle, Aberdeen, Glasgow, Bristol, Birmingham, Manchester, and all significant ports.
France : Paris, Marseille, Le Havre, Dunkirk, Lyon, Bordeaux, Nice, Nantes.
Germany : Hamburg, Bremen, Frankfurt, Berlin, Munich, Dresden, Dusseldorf, Stuttgart.
Italy : Genoa, Venice, Trieste, Naples, Rome, Milan, Palermo, Livorno.
Spain : Barcelona, Valencia, Algeciras, Madrid, Bilbao, Seville, Malaga.
Japan : Tokyo, Yokohama, Osaka, Kobe, Nagoya, Hiroshima, Fukuoka, Kitakyushu.
Canada : Vancouver, Montreal, Toronto, Halifax, Saint John, Calgary, Edmonton, Winnipeg.
Brazil : Sao Paulo, Rio de Janeiro, Santos, Salvador, Recife, Porto Alegre, Fortaleza.
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Australia : Sydney, Melbourne, Brisbane, Perth, Adelaide, Fremantle, Darwin.
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Singapore : Singapore and all major port facilities.
Netherlands : Rotterdam, Amsterdam, Vlissingen, Groningen, Utrecht.
Norway : Oslo, Bergen, Stavanger, Trondheim, Kristiansand, Tromso, Alesund.
Sweden : Stockholm, Gothenburg, Malmo, Helsingborg, Umea.
Poland : Gdansk, Gdynia, Szczecin, Warsaw, Krakow, Wroclaw.
Indonesia : Jakarta, Surabaya, Semarang, Medan, Makassar, Batam, Balikpapan.
Malaysia : Port Klang, Penang, Johor Bahru, Kuantan, Kuching, Kota Kinabalu.
Saudi Arabia : Jeddah, Dammam, Riyadh, Jubail, Yanbu, Ras Tanura, Mecca.
Egypt : Alexandria, Port Said, Cairo, Suez, Damietta.
Thailand : Bangkok, Laem Chabang, Phuket, Pattaya, Songkhla.
Philippines : Manila, Cebu, Davao, Batangas, Subic Bay.
Nigeria : Lagos, Port Harcourt, Abuja, Warri, Calabar, Onne.
Bangladesh : Dhaka, Chattogram, Khulna, Mongla, Narayanganj.
Vietnam : Ho Chi Minh City, Hanoi, Haiphong, Da Nang, Can Tho.
Argentina : Buenos Aires, Rosario, Bahia Blanca, Cordoba, La Plata.
Africa : Tangier-Med, Casablanca, Algiers, Oran, Annaba, Tunis, Rades, Sfax, Tripoli, Benghazi, Misrata, Port Said, Alexandria, Damietta, Dakar, Nouakchott, Nouadhibou, Conakry, Freetown, Monrovia, Abidjan, San Pedro, Tema, Takoradi, Lomé, Cotonou, Lagos, Apapa, Tin Can, Lekki, Port Harcourt, Warri, Calabar, Douala, Kribi, Libreville, Port-Gentil, Pointe-Noire, Matadi, Boma, Djibouti, Doraleh, Berbera, Bossaso, Mogadishu, Mombasa, Lamu, Dar es Salaam, Zanzibar, Tanga, Beira, Maputo, Nacala, Durban, Richards Bay, Ngqura, Port Elizabeth, Gqeberha, Cape Town, Saldanha Bay, East London, Walvis Bay, Lüderitz, Luanda, Lobito, Namibe, Port Sudan, Suakin, Massawa, Assab, Malabo, Bata, Moroni, Mahajanga, Toamasina, Tamatave, Antsiranana, Ehoala, Saint Louis, Banjul, Pemba, Quelimane, Kismayo.
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