Liquid ring self priming pumps

Product catalog summary

1. Pump Range and Types

This section details various liquid ring self-priming pump models, including Special, Nautic, MID, LALX, Electric, and Explosion Proof types. Pumps are constructed mainly from bronze and stainless steel AISI 316, with operating speeds typically at 1400 or 2800 rpm. Capacities range from approximately 8 to 500 liters per minute, with heads up to 30 meters. Variants include magnetic and hand clutches, hydraulic motor-driven models, and pumps with overdrive multipliers.

2. Specifications and Performance Parameters

Key performance metrics include capacity (Q) in liters per minute and US gallons per minute, head (H) in meters and feet, and operating speeds of 1400 or 2800 rpm. Materials primarily involve bronze and stainless steel AISI 316, with pipe fittings standardly BSP threads but customizable upon request. Pump weights vary significantly by model, from 1.8 kg to over 28 kg.

3. Dimensions and Connections

Comprehensive dimensional data covers inlet/outlet sizes, flange dimensions, and mounting details. Pipe fittings include BSP male and female threads, with optional stainless steel and nylon variants. Special fittings such as Triclover, SMS, Macon, Friederich, and DIN standards are also catalogued.

4. Accessories and Spare Parts

Accessories include trolleys and handles for ease of transport, bypass valves for pressure regulation, and electrical control components like on-off and reverse switches with terminal boards. Spare parts listings cover a wide range of components such as screws, seals, impellers, mechanical seals, bearings, pulleys, and couplings, with materials specified for compatibility and durability.

5. Electric Pumps

Electric pump models are available in bronze and stainless steel AISI 316, with power ratings from 0.3 kW to 7.5 kW. Motors come in single-phase, three-phase, and direct current variants, featuring IP55 protection. Performance curves provide flow and head data to aid selection. Explosion-proof groups are designed for hazardous environments, lacking electrical control panels but maintaining similar performance and material standards.

6. Component and Material Specifications

Detailed component lists specify parts such as packing rings, supports, impellers, seals, clutch assemblies, bearings, couplings, gears, and drain plugs. Materials include ceramics, stainless steel (AISI 304 and 316), bronze, brass, nickel-plated brass, various steel grades, cast iron, aluminum, rubber (NBR), and nylon. Components are grouped by pump model compatibility, ensuring correct part selection.

7. Assembly and Maintenance Recommendations

Emphasis is placed on selecting appropriate materials for corrosion resistance and mechanical strength. Proper sealing components are critical to prevent leaks, and clutch assemblies require precise installation. Use of commercial standard parts is common, but specific material grades are mandated for critical components. Rubber parts have limitations related to temperature and chemical exposure.

8. Critical Information and Recommendations

Standard inlet and outlet fittings are BSP threads; alternative fittings are available on request.
Pipe fittings can be supplied in stainless steel or nylon to meet installation needs.
Motors have IP55 protection for dust and water resistance.
Performance data should guide pump model selection based on flow and head requirements.
Explosion-proof groups are suitable for hazardous environments and should be chosen accordingly.
Accessories enhance portability and operational control.
Spare parts must be matched carefully to pump models and materials for effective maintenance.

Summary

This technical catalogue provides a comprehensive reference for liquid ring self-priming pumps, covering a broad range of models, specifications, dimensions, accessories, and spare parts. It supports selection, installation, and maintenance across industrial, marine, hydraulic, and hazardous environment applications. Detailed component and material specifications ensure compatibility and durability, while performance data and accessory options facilitate optimal pump operation.

Catalog excerpts

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totale x pdf.cdr table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Arial", sans-serif; } Uscite Raccordi Dimensioni (mm) / Dimensions (mm) Type Inlet-Outlet Pipe fittings D E H I L LALX 40 BSP-M l"l/2 040 - 045 67 l7l 86 l50 346 LALX 50 BSP-M 2" 050 90 203 l03 l85 378 LALX SENIOR l"l/2 BSP-M 1"1/2* 040 ** 76 181 86 l67 356 LALX MASTER 2" BSP-F 2" * 050 ** 94 208 l03 205 383 * = Uscite standard BSP (Gas), altre uscite disponibili p.20 / Standard inlet-outlet BSP (Gas), different inlet-outlet are available see p.20 ** = Raccordi in acciaio inox o nylon a richiesta...

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