KSB AMTROBOX R RA1187 Heavy-Duty Limit Switch Box
KSB AMTROBOX R RA1187 Heavy-Duty Limit Switch Box
The KSB AMTROBOX R (Model RA1187) is a heavy-duty limit switch box designed for position feedback (OPEN / CLOSED indication) on quarter-turn valves such as ball valves, butterfly valves, and plug valves.
It is commonly mounted on pneumatic actuators (KSB ACTAIR) as well as hydraulic rotary actuators, providing reliable electrical signaling to control rooms, PLCs, and automation systems.
This unit is engineered for harsh industrial, marine, and offshore environments, offering IP68 protection and long service life.
Manufacturer Details
• Brand: KSB
• Product Series: AMTROBOX
• Model: AMTROBOX R
• Variant: RA1187
• Type: Mechanical Limit Switch Box
• Mounting: Quarter-turn actuator mounting
• Origin: Genuine KSB Product
Internal Construction & Working Principle
Cam & Shaft Mechanism
• Central rotating shaft connected to actuator output
• Adjustable cams (yellow & white) mounted on shaft
• Cam position can be fine-tuned for precise switching points
Microswitches
• 2 × Crouzet microswitches
• Function: SPDT (Changeover contacts)
• One switch for Valve OPEN
• One switch for Valve CLOSED
Functional Description
• When the actuator rotates, the shaft inside the AMTROBOX rotates
• Adjustable cams actuate microswitches at preset positions
• Electrical signal is sent to PLC / DCS / control panel
• Provides clear feedback: Valve Fully OPEN / Fully CLOSED
Key Features
• IP68 waterproof & dustproof
• Heavy-duty cast iron housing
• High corrosion resistance coating
• Adjustable cam mechanism
• Reliable Crouzet microswitches
• Suitable for pneumatic & hydraulic actuators
• Low maintenance
• Long operational life
Typical Applications
Water & Wastewater
• Pump stations
• Treatment plants
• Distribution valves
Marine & Offshore
• Ballast systems
• Cargo handling valves
• Engine room valve automation
Oil & Gas
• Onshore & offshore platforms
• Pipeline valve indication
• Skid-mounted process systems
Industrial Process Plants
• Chemical processing
• Power plants
• Refineries
• Automation systems
Compatible Equipment
• KSB ACTAIR Pneumatic Actuators
• Hydraulic Rotary Actuators
• Quarter-turn Ball Valves
• Butterfly Valves
• Plug Valves
Condition
• Industrial-grade unit
• Robust mechanical construction
• Suitable for continuous service
• Ideal for new installations or replacement
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.
Turkey : Istanbul, Izmir, Mersin, Ankara, Antalya, Bursa, Samsun.
Australia : Sydney, Melbourne, Brisbane, Perth, Adelaide, Fremantle, Darwin.
South Korea : Busan, Incheon, Seoul, Ulsan, Gwangyang, Pohang.
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.
Gani Marine Exporter – Global Marine Hydraulic Supplier
