Centrifugal pumps are one of the key products of Naniwa Pump Mfg. We produce up to 12,000 of these pumps annually. They are designed primarily for ships, but also have an extensive track record in pumps for use on land . We offer a wide-ranging lineup, from large pumps for clean water, sea water, and ballast to small and mid-sized pumps such as drinking water and boiler feedwater pumps.
Type Handled Fluid FEV 25–600 13–59 Vertical Fresh Water/Sea Water FEWV 300–3000 13–45 Vertical Fresh Water/Sea Water FBV 30–500 15–42 Vertical Fresh Water/Sea Water FBWV 300–3000 13–52 Vertical Fresh Water/Sea Water FE2V-E 40–600 20–126 Vertical Fresh Water/Sea Water FB2V 40–500 20–170 Vertical Fresh Water/Sea Water FBCV 60–800 25–115 Vertical Fresh Water/Sea Water FFV-E 20–120 40–100 Vertical/High Speed Fresh Water/Sea Water FGV-E 40–300 20–100 Vertical/High Speed Fresh Water/Sea Water FGWV 100–600 30–155 Vertical/High Speed Fresh Water/Sea Water FDDV 2–150 18–47 Vertical Fresh Water/Sea Water/Condensate Water FEDV-E 2–150 18–47 Vertical Fresh Water/Sea Water/Condensate Water 2FDDV 2–130 18–115 Vertical Fresh Water/Sea Water/Condensate Water TOM 80–2000 0.3–1.05
Vertical Lublicating Oil TOMG 0.5–1800 20–150 Vertical Lublicating Oil USV 100–2000 13–45 Vertical/Bottom Suction Fresh Water/Sea Water FCDV 1000–15000 4–24 Vertical Fresh Water/Sea Water SHV 25–180 20–100 Vertical/Self-Priming Fresh Water/Sea Water FVC 2–42 2–70 Vertical Fresh Water/Sea Water C 500–12000 50–200 Vertical/Horizontal Fresh Water/Sea Water DV 700–5000 15–45 Vertical Fresh Water/Sea Water BHR 2–80 4–88 Horizontal Fresh Water/Sea Water BHD 2–17 10–59 Horizontal Fresh Water/Sea Water CRD 7–150 10–45 Horizontal Fresh Water/Sea Water SHR 2–80 10–67 Horizontal/Self-Priming Fresh Water/Sea Water EB2H 2–130 60–300 Horizontal Boiler Feed Water EB4H 2.5–150 120–400 Horizontal Boiler Feed Water BBH 2–130 15–85 Horizontal Boiler Circ. Water EKH 2–7.5 60–120 Horizontal Boiler Feed Water FB2E 200–700 50–180 Horizontal Fresh Water/Sea Water BHFR(L) 30–300 40–200 Horizontal Fresh Water/Sea Water FBW 300–3000 13–45 Horizontal Fresh Water/Sea Water
Rotary Gear Pumps
Naniwa Pump Manufacturing’s gear and screw pumps are proven in service for applications such as fuel and lubricating oil transfer. They are renowned for their durability and dependability, and our recent addition of gear and screw pumps for low-viscosity to our lineup has expanded options for users.
1 Rotor Screw Pumps
Single screw pumps are made up of three components: a bearing housing component within the drive shaft that turns with the rotational force received from the motor; a suction casing component with a coupling rod that transmits rotation to the rotor unit; and the main pump body, which is comprised of the rotor and stator. The drive shaft ball bearings can withstand temperatures of up to 130°C.
2 Spindle Screw Pumps
Naniwa Pump Manufacturing offers two types of twin screw pumps. One uses an internal bearing system in which the lubrication is performed by the pump liquid for the bearings and timing gears. The other features an external bearing system that lubricates using oil.
Type Handled Fluid ALS 30–1000 0.2–1.6 Horizontal/Internal Bearing Lubricating Oil/Fuel Oil ALSV 30–1000 0.2–1.6 Vertical/Internal Bearing Lubricating Oil/Fuel Oil AHS 30–1000 0.2–1.6 Horizontal/External Bearing Lubricating Oil/Fuel Oil AHSV 30–1000 0.2–1.6 Vertical/External Bearing Lubricating Oil/Fuel Oil
3 Spindle Screw Pumps
The triple screw pump features three spindles. One is a double-thread screw-driving spindle, and the others are double-thread screw-driven spindles. These turn within the insert portion of the casing unit with absolutely no rotational gap, so the liquid is continuously discharged. For marine engine room applications, this can primarily be used as low-viscosity fuel oil pumps.
Naniwa Pump Manufacturing’s piston pumps are double-acting pumps with one or two cylinders. They are optimized for applications such as marine bilge and oil transfer, and offer high efficiency and reduced fluctuation of discharge pressure.
Cargo Pumping System
Naniwa Pump Manufacturing’s cargo pumps have a long history dating back to the establishment in 1974 of Naniwa-Eureka Co., Ltd., a joint venture with Norwegian company Kvaerner-Eureka A.S. And in cargo pump turbines, we have achieved significant successes since our technical tie-up with Mitsubishi Heavy Industries’ Takasago Machinery Works.
Cargo Pumping System
Type Handled Fluid C 500–12000 50–200 Vertical/Horizontal Crude Oil/Product Oil AHS 30–1000 20–160 Horizontal/External Bearing Crude Oil/Product Oil AHSV 30–1000 20–160 Vertical/External Bearing Crude Oil/Product Oil DV 700–5000 15–45 Vertical Ballast Water WOV 30–450 10–150 Vertical/Steam Driven Stripping
Steam Turbine for Cargo Pumps
Other Products & System
Naniwa Pump Manufacturing can also supply products that come with marine engine room pumps as a unit.
Central Priming System
Model Max. Air Volume
Vacuum Pump Type UV 640 650 Horizontal/Water Ring
Vacuum Pump Unit
Vacuum Pump Type UNE 2 720 Horizontal/Water Ring
Hydropore Tank Unit
Model Tank Capacity
Pump Total Head
UH 0.2–3.0 3–40 20–80
Inverter Control System
Model Speed Control Range
Motor power range
Application NEO-ME 50–100 –280kW M/E Cooing Water Pump