Longteng Machinery, a professional manufacturer of slurry pumps
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SLURRY PUMPLongteng provides reliable slurry pumping solutions for demanding mining, mineral processing and industrial applications, backed by experienced engineering, quality manufacturing and responsive technical support.
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INDUSTRIESExplore slurry pump applications across mining, mineral processing,dredging, power generation and other demanding industries.
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RESOURCESPractical resources, guides and case studies to help you select, operate and maintain slurry pumps.
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ABOUT USLearn about Longteng's slurry pump expertise, manufacturing capabilities, quality control and commitment to reliable pumping solutions.
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2026-10
End Suction Pump: Check Piping, Maintenance Space, and Solids Duty Before Buying
An end suction pump receives liquid through an inlet at the end of the pump, generally along the shaft axis toward the impeller eye. The term describes inlet geometry. It does not by itself establish self-priming capability, solids handling, material suitability, or a particular maintenance method. For a purchasing decision, connect that geometry to the actual installation. The suction route, driver arrangement, discharge position, and space for removing wear components can determine whether an otherwise suitable pump is practical. For slurry, add a separate assessment of particles, abrasion, chemistry, and wet-end construction. This guide combines established installation principles with an editorial purchasing checklist. Manufacturer literature provides examples of possible configurations; those examples are not specifications for every end-suction design or claims about a particular Longteng model.
2026-10-19
19
2026-10
Vertical Centrifugal Pump Types: Match Shaft Support, Liquid Level, and Installation
Vertical centrifugal pump types differ in more than shaft orientation. A vertical inline pump, a lineshaft turbine pump, a submerged sump pump, and a cantilever sump pump can have very different inlet conditions, bearing arrangements, discharge paths, and maintenance requirements. The practical selection question is where the wet end, motor, bearings, and liquid surface are located relative to one another. Define those positions before comparing flow and head. A pump that meets the hydraulic duty may still be unsuitable for the available pit depth, operating level, support structure, or removal clearance. This guide uses industry classifications and manufacturer descriptions of vertical arrangements. Its installation questions are editorial guidance, not a dimensional design standard. Longteng's relevant product scope is its published vertical slurry sump and cantilever configurations; other types are explained to prevent incorrect substitutions
2026-10-19
19
2026-10
Centrifugal Pump vs Positive Displacement Pump: Choose for Viscosity, Solids, and Control
Choose between a centrifugal pump and a positive displacement pump by the fluid behavior, required flow-pressure relationship, and control objective. Centrifugal pumps add energy through a rotating impeller; positive displacement pumps capture and move volumes of fluid. The difference affects how each responds to resistance, viscosity, speed, and blocked discharge conditions. Neither family is a universal winner for industrial liquids or slurry. A centrifugal slurry pump may suit an abrasive transport duty, while another process may require a specific positive displacement technology. Even within each family, designs have different particle, pressure, temperature, and maintenance limits. This comparison draws on industry classifications, government pumping-system guidance, and manufacturer information on pressure protection. The screening questions are purchasing guidance, not a substitute for model selection. Longteng's relevant offering discussed here is centrifugal slurry pumping; the positive displacement descriptions are technical context.
2026-10-19
18
2026-10
Centrifugal Pump Types: Identify the Right Equipment Category Before Requesting a Quote
Centrifugal pump types are best understood through several separate classifications: hydraulic design, stage count, shaft arrangement, installation, and intended service. A pump can belong to several categories at once. A horizontal, single-stage, end-suction slurry pump is one coherent description, not four competing choices. For a buyer, the first task is to identify the equipment category that suits the fluid and installation. Final selection then requires a flow-head duty, suction assessment, materials review, and confirmation of operating limits. A category name cannot establish those details by itself. This guide uses established industry nomenclature and a system-based selection approach. The purchasing sequence and screening examples are editorial guidance. They do not represent performance guarantees or suggest that Longteng supplies every pump type discussed.
2026-10-18
18
2026-10
Pump Efficiency Calculation: Separate Hydraulic, Shaft, and Electrical Power
Pump efficiency is hydraulic output power divided by mechanical input power at the pump shaft. Overall electrical-to-liquid efficiency uses electrical input as the denominator instead. These are different measurements, and confusing them can produce misleading comparisons between pumps, motors, and complete packages. For an incompressible liquid, hydraulic power is Pₕ = ρgQH. Use density in kg/m³, flow in m³/s, head in meters, and g in m/s² to obtain watts. Divide by pump efficiency to estimate shaft input, then account for the transmission, motor, and drive to estimate electrical input. This guide uses established power definitions and an independently calculated example. The assumed efficiencies and operating hours are illustrative, not Longteng test data, quoted savings, or a final motor selection. The purpose is to make each power boundary clear enough for procurement and engineering to compare the same quantities.
2026-10-18
18
2026-10
Centrifugal Pump Priming: Match the Startup Method to the Installation
Priming establishes the liquid-filled condition a centrifugal pump needs before it can deliver the intended flow. A conventional non-self-priming pump generally cannot remove a suction line full of air and lift liquid into itself simply by running. The correct startup method depends on whether the installation has flooded suction, suction lift with an approved priming arrangement, or a submerged wet end. Self-priming is a specific capability, not a synonym for centrifugal. Many self-priming designs still require an initial liquid charge and a suitable air-release path. A submerged inlet also does not eliminate every problem associated with trapped gas, low liquid level, or inadequate suction conditions. This guide explains the arrangements and the information buyers should confirm before selecting a pump. It draws on manufacturer descriptions of priming behavior and develops a practical review framework. It is not a universal startup procedure: valve positions, venting steps, permitted times, and auxiliary systems must follow the actual equipment documentation.
2026-10-18
Shijiazhuang Longteng Machinery Co., Ltd
Address: Yudi Industrial Zone, Luancheng District, Shijiazhuang City, Hebei, China.
Phone/Whatsapp:+86-15830152559
Email:info@slurrypump-hb.com
