Marine Twin Screw Pump

Roto s Vertical Twin Screw Pumps are available in both external & internal bearing configuration. Pumps with steam jackteing as an option is also available. The suction & discharge ports are in a line. Mechanical seals are standard. Option for gland packing is also available. Pumps are fitted with relief valves suitable for 100% bypass. Vertical Internal / External Bearing RV series Capacities upto 500 m3/hr Pressures upto 40 bar These pumps are designed to suit the areas where space is a constraint. They are available in internal as well as external bearing configurations. These pumps can handle fluids with high temperatures upto 3500C / 6600F with or without steam jacketing, electrical/steam tracing arrangement as an option. API 682 type seals can be mounted. Built in safety relief valve designed for 100% bypass. MOC CASING: Cast Iron, Cast Steel, Fabricated Steel Fabricated Stainless Steel. LINER: Case Steel, Stainless Steel. SCREWS: Alloy Steel Stainless Steel, Hardened Steel. TIMING GEARS: Hardened Steel. OTHER EXOTIC MATERIALS: Duplex Super Duplex . SCREW SURFACE COATING: Hard Chrome Plating. Price Range: Rs. 1.25 Lacs to Rs. 50 Lacs* * Minimum prices are mentioned for smallest model Bare Shaft Pump. Prices may vary for complete Pump set with motor & accessories and for exotic material options or customized pumps.

3g series three screw pump It applies to deliver clean and non-corrosive medium which has lubricating property at temp blow 150 with the viscosity of 3-760cst. The pump working pressure range from 0.6mpa to 2.5mpa and flow rate range from 0.6m3/h to 123m3/h Feature Medium is delivered in axial direction continuously without agitation and pulsation Small vibration and low noise High pressure and high efficiency Simple structure, easy disassemble and assembly Small volume and light weight Slight wear and long life Materials: Driving and driven screw:16mncrs5, 40cr, 46, 38crmoal Pump body: ht200, qt450-10, zcusn10p1, zg270-500 Export standard case/plywood case

Screw pumps Single, twin and triple screw pumps (positive displacement pumps)for application such as loading, unloading, transfer, dosing, draining, re-circulation, feeding to spray driers, filter presses, centrifuges, digester, evaporators etc.

The signle screw pump is an ideal pump for feeding to the decanter centrifuge without shearing or agitating the drilling mud. The main parts are screw shaft (rotor) and screw shaft bushing. Because the special geometry shape of the two parts, they form pressurize capacity separately.

Rotos horizontal internal bearing Twin Screw pumps are available in standard foot mounted configuration with sump heating arrangement as an option. These pumps are selected where the fluids are clean and have lubricating properties. Mechanical seals are standard. Option for gland packing is also available. Pumps are fitted with relief valves suitable for 100% bypass. The suction and discharge ports are in-line. Internal Bearing RI series Capacities upto 500 m3/hr Pressures upto 40 bar These pumps are designed for clean and lubricating media. The pumps are fitted with the bearings inside and the bearings are lubricated with the pumping media itself. Available in standard foot mounted configuration with sump heating arrangement as an option. Built in safety relief valve designed for 100% bypass. Material Options CASING: Cast Iron, Cast Steel, Fabricated Steel Fabricated Stainless Steel. LINER: Case Steel, Stainless Steel. SCREWS: Alloy Steel Stainless Steel, Hardened Steel. TIMING GEARS: Hardened Steel. OTHER EXOTIC MATERIALS: Duplex Super Duplex . SCREW SURFACE COATING: Hard Chrome Plating. Price Range: Rs. 1.25 Lacs to Rs. 1.50 lacs* * Minimum prices are mentioned for smallest model Bare Shaft Pump. Prices may vary for complete Pump set with motor & accessories and for exotic material options or customized pumps.

These vertical pumps are designed to operate with the pumping elements immersed in the product. These pumps are compact and space saving. They are custom designed and are manufactured for varying column length to suite the pump depth. The suction port of all the pump sizes are designed so that a strainer can be attached to prevent and large solids entering the pump. These pumps are available in only close coupled configuration. A variety of material of construction, shaft sealing options are also available. Single Stage Pump Capacities upto 500 m3/hr Pressures upto 12 bar These vertical pumps are designed to operate with the pumping elements immersed in the product. These pumps are compact and space saving. They are custom designed and manufactured for varying column lengths to suite the sump depth. Vertical-Single-Stage Multi Stage Pump Capacities upto 500 m3/hr Pressures upto 12 bar These vertical pumps are designed to operate with the pumping elements immersed in the product. These pumps are compact and space saving. They are custom designed and manufactured for varying column lengths to suite the sump depth. Material Options WETTABLE HOUSING COMPONENTS: Fabricated Steel Fabricated Stainless Steel. STATOR: Natural Nitrile High Nitrile EPDM Chloro-Sulphonated Rubber Fluoroelastomer Aflas HNBR. ROTOR: Tool Steel Case Hardened Steel Alloy Steel Stainless Steel. COUPLING ROD: Alloy Steel Stainless Steel. SHAFT: Alloy Steel Stainless Steel. OTHER EXOTIC MATERIALS: Duplex Super Duplex Alloy 20 Haste alloy. ROTOR SURFACE COATINGS: Ceramic Coatings Tungsten Carbide Hard Chrome Plating. PROTECTIVE COATINGS: Rubber Lining Epoxy Coatings. Price Range: Rs.25000 to Rs. 50 Lacs* * Minimum prices are mentioned for smallest model Bare Shaft Pump. Prices may vary for complete Pump set with motor & accessories and for exotic material options or customized pumps.

Rotos Dosing Pumps The best choice for precise metering applications These pumps are developed for low flow applications that demand high accuracies and repeatability with unique advantages of smooth, laminar & pulsating free flow. These pumps can handle clean and clear liquids. A range of dosing pumps offering an efficient and reliable solution for applications where accurate dosing is required. The pump is ideal for either intermittent or continuous dosing duties. Product manufactured as per ISO 9001:2015 quality assurance standards and performance ranges available from 0.68 litres per hour (0.0029 GPM )to 460 litres per hour (2.02 GPM) and upto 24 bar pressure (348 PSI). Features & Benefits Linear flow with low shear Capacity is directly proportional to speed Inherently self-priming No internal valves no clogging Low NPSH required Reversible Suction lift capacity upto 9.5 meter water column Easily changing pumping element for different capacities Simple to operate Highly efficient RJ Series Pump Capacities between 0.68 500 lph Pressures upto 24 bar These pumps are developed for low flow applications that demand high accuracies and repeatability. These pumps can handle wide variety of fluids ranging from clean and clear liquids to abrasive, corrosive, viscous and solid laden media. The repeatability accuracy has less than 1% fluctuation. Available in 6 capacities and 3 pressure ranges.

Roto Xtra Value Progressive Cavity pumps are of heavy-duty construction and are designed to pump tough to handle fluids with ease. These pumps are used in many areas of Industry. The construction of these pumps is based on the modular concepts and incorporates next-generation pumping elements (molded to metal) stator, solid shaft and double sealed Cardan Universal Joints for improved performance and longer service life. These pumps are available in bare shaft and close coupled configuration. 6 and 8 stages in select sizes. A variety of material of construction, shaft sealing options are also available. Single Stage Pump: This Heavy-Duty cost effective pumps use the extended Rotor, Stator Geometry and result in lower rubbing velocities which are ideal for the Sewage & Effluent Treatment applications. These Pumps are available in Close-Coupled & Bareshaft Configuration. Multi-Stage Pump: These heavy-duty pumps are designed for continuous or intermittent duty and are suitable to perform efficiently even for the most difficult fluid handling applications in wastewater,chemical, and food industries. These pumps are available in bare shaft and close coupled configurations. 6 and 8 stage pumps are also available in select sizes. Wettable Housing Components: Cast Iron Cast Stainless Steel Fabricated Steel Fabricated Stainless Steel Stator: Natural Nitrile High Nitrile EPDM Chloro-Sulphonated Rubber Fluoroelastomer Aflas HNBR Rotor: Tool Steel Case Hardened Steel Alloy Steel Stainless Steel Coupling Rod: Alloy Steel Stainless Steel Shaft: Alloy Steel Stainless Steel Other Exotic Materials: Duplex Super Duplex Alloy 20 Haste alloy Rotor Surface Coatings: Ceramic Coatings Tungsten Carbide Hard Chrome Plating Protective Coatings: Rubber Lining Epoxy Coatings Price Range: Rs. 25000 to Rs. 20 lacs* * Minimum prices are mentioned for smallest model Bare Shaft Pump. Prices may vary for complete Pump set with motor & accessories and for exotic material options or customized pumps.