Marinho Oliveira, S.A - Joval products

Multi-stage pumps. Suction and discharge bodies in gray cast iron GG25. Impellers and diffusers in cast iron GG25. Shaft, aspiration filter, coupling, valve and screws in stainless steel AISI 304. Anti-friction rubber wear rings with metallic interior. Coupling: NEMA1-18-388 stainless steel standard.

Multi-stage pumps built in sections with radial or semi-axial floating impellers. Impellers and diffusers in noryl or polycarbonate with stainless steel AISI 304 wear rings. Pump outside totally in stainless steel AISI 304. Shaft in stainless steel AISI 304. Vertical or horizontal installation. Coupling: NEMA standart.

Multi-stage pumps built in sections with radial or sexi-axial floating impellers. Impellers and diffusers in noryl or polycarbonate with stainless steel AISI 304 wear rings. Pump’s exterior totally in stainless steel. Shaft in stainless steel. Vertical or horizontal installation. Coupling : NEMA standart.

Easy to install. Supply with electric cable and capacitor. Vertical or horizontal installation. Anticorrosive materials. Refrigeration by pumped liquid. Radial impellers. Impellers and diffusers made in glass fiber reinforced noryl. Maximum sand content tolerated: 50 g/m3. Thermal protection incorporate with automatic rearming (single-phased motors). Double mechanical seal in silicon carbide-NBR, and lip sealent, ensuring motor sealing and protection.. Maximum depth of immersion: 20m. 20 meter power cable H07 RN-F. Available with float switch (single-phase version).

Easy to install. Supply with electric cable and capacitor. Motor filled with environmental water. Silent sewing-machine. Anticorrosive materials. Vertical or horizontal installation. Refrigeration by pumped liquid. Radial impellers. Impellers and diffusers made in glass fiber reinforced noryl. Suction stainer easy to clean. Electric motor hermetically sealed and protected against overcharges. Radial and axial bearings in graphite with water lubrification. Removable electric cable with 15 meters. Available with float switch.

Multi-stage pumps built in sections with radial or semi-axial impellers. Impellers and diffusers in noryl with stainless steel AISI 304 wear rings. Pump outside totally in stainless steel AISI 304. Shaft in stainless steel AISI 316. Vertical or horizontal installation. Coupling: NEMA standart.

Multi-stage pumps with radial impellers. Impellers and diffusers in Noryl or polycarbonate with stainless steel AISI 304 wear rings. Shaft in stainless steel AISI 304. Coupling: NEMA standart.

Range of 0,25kW – 2,2kW (230V) and 0,37kW – 7,5kW (400V). Stator hermetically sealed. Water lubricated radial and thrust bearing. Corrosion resistant AISI 304 SS material. Removable Water Bloc™ lead connector. Anti-track, self healing stator resin prevents motor burn out. Non-contaminating water filling. High efficiency electrical design (lower operating cost, lower winding temperature). Automatic reversal starting torque. KTW/VDE approved motor leads.

Outer shells, shaft and screws: Stainless steel AISI 304. Coupling Flange: Cast iron with anti-corrosive treatment. Stator: Rewindable. Max. temperature: 35ºC. Cooling Fluid: Non toxic. Max. starts/hours: 30. Minimum cooling fluid: 8 cm/s. Maximum depth: 350m. Protection degree: IP 68. Installation: Vertical or Horizontal.

From 4kW to 185kW. Coupling: NEMA standart. Outer shells, shaft and screws: SS AISI 304. Efficient design: Low cost operation. Stator: Rewindable. Max. Temperature: 30ºC. Max. starts/hour: 20 (up to 22kW) 15 (up to 75kW) 10 (up to 185kW). Voltage tolerance: +6% / -10%. Protection degree: IP 68.