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Frequently
Asked Questions
Explore our list of FAQs below to get quick, reliable answers to commonly asked questions about our products, services, support and general fluid power information. If you need further assistance, our team is always here to help.
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What services does Lister Fluid Power offer?Lister Fluid Power specializes in a variety of services tailored to meet the needs of the industrial equipment sector. Our core offerings include the design, manufacturing, and maintenance of hydraulic and pneumatic systems. We also provide custom solutions for fluid power applications, ensuring optimal performance and efficiency. Our team of experts is equipped to handle everything from system diagnostics and repairs to full-scale installations. Additionally, we offer preventive maintenance programs to minimize downtime and extend the lifespan of your equipment. Call us on 0000000000 to speak to a technical advisor for your customised requirements.
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Do you provide emergency repair services?Yes, we offer 24/7 emergency repair services to minimise downtime. Our team is equipped to handle on-site repairs and quick part replacements to restore your system promptly. Call 0800 056 0307 to speak to our hose doctor now!
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Who should I contact for technical advice?Our highly skilled technical support team includes service engineers, prototype specialists, and IT professionals, offering comprehensive assistance for a wide range of technical needs, from system diagnostics and repairs to prototype development and IT solutions. Call us on 0121 525 6485 and specify the nature of advice required and we will connect you to a qualified expert.
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What is the best way to request a quote?You can request a quotation by contacting us through multiple channels: Online Form: Fill out the quotation request form available on our website. Email: Send detailed information to our sales team at fpsales@lister.co.uk. Include drawings, part numbers, system specifications, and your project timeline. Phone: Call us on 0121 525 6485 for urgent inquiries or personalized assistance. In Person: Visit our office for in-depth discussions about complex projects or custom solutions.
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How soon can I expect a response?We aim to respond to all quotation requests and general queries within 24 hours. Complex projects may require additional time for evaluation.
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Can I request a site visit before receiving a quote?Yes, for large-scale or customised systems, we can arrange a site visit to assess your requirements and provide a tailored solution.
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What industries do you serve?We cater to industries such as manufacturing, construction, agriculture, mining, energy, and transportation. Whether you need industrial hydraulic solutions or mobile system repairs, we have you covered.
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Do you provide quotes for international clients?Yes, we serve both domestic and international clients. Please include your location and any shipping requirements in your request.
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Do you also supply hydraulic and pneumatic components?Yes. We hold stocks of over 1 million hydraulic and pneumatic components including valves, connectors, cylinders, quick release couplings, hydraulic oils, seals and much more. Our extensive range can be found on our e-commerce website.
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Do you offer discounts on components?Yes. Simply register on our e-commerce portal and get exclusive pricing for your business.
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What are the common applications of hydraulic systems?Hydraulic systems are extensively utilized in sectors like construction, agriculture, manufacturing, and aerospace, providing essential power and control by channeling pressurized fluid to create force and motion.
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What are the advantages of using hydraulic systems over other power transmission methods?Hydraulic systems are favored for their high power density, accurate control capabilities, and efficiency in transferring power across distances without losing effectiveness.
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Can hydraulic cylinders be repaired, or should they be replaced?Most hydraulic cylinders can be repaired by replacing seals, rods, or pistons, depending on the damage. If the cylinder body is extensively worn or cracked, replacement might be more cost-effective. We provide on-site professional evaluations to recommend the best solution.
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What is hydraulic cylinder drift, and how can it be fixed?Drift occurs when a cylinder moves unexpectedly under load, often due to worn seals, contaminated fluid, or valve malfunctions. To fix it, replace seals, clean the system, and ensure proper valve adjustments.
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How do I calculate the force a hydraulic cylinder can generate?Use the formula: Force (lbs) = Pressure (psi) × Area of piston (in²). For example, if the bore diameter is 4 inches, the area is π × (2)² = 12.57 in². At 1,500 psi, the force is 1,500 × 12.57 = 18,855 lbs.
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How can I troubleshoot common hydraulic system issues?Start by checking for leaks, unusual noises, and overheating. Inspect fluid levels, filters, and pressure settings. Common fixes include tightening connections, replacing filters, and bleeding air from the system. If the problem persists, consult a professional.
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How do I maintain my hydraulic system to prevent breakdowns?Regularly check fluid levels and quality, replace filters as recommended, inspect seals and hoses, and ensure operating temperatures stay within acceptable ranges. Schedule periodic system inspections to catch issues early.
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Can air in the system cause problems?Yes, air can cause inefficiency, erratic movements, or damage to components. To fix this, bleed the system to remove trapped air and check seals to prevent re-entry. Regular maintenance reduces the risk of air lock.
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What causes moisture in pneumatic lines, and how do I prevent it?Moisture results from condensation of humid air. Use air dryers and properly maintain filters to remove excess moisture and protect your system.
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How do I ensure efficient air usage in my pneumatic system?Efficiency can be improved by minimizing leaks, using appropriately sized components, regulating pressure correctly, and employing energy-saving devices like variable speed compressors.
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Can I use pneumatic systems in hazardous environments?Yes, pneumatics are often safer than electrics or hydraulics in explosive or flammable environments due to the lack of sparks or heat generated by compressed air systems.
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What types of pneumatic actuators are available?Common types include linear actuators (cylinders), rotary actuators, and diaphragm actuators. Each serves different purposes depending on motion requirements.
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Why is my pneumatic actuator losing force?Loss of force may result from leaks in the system, insufficient air pressure, or worn seals within the actuator. Inspect and repair these components to restore performance.
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How do I reduce noise in pneumatic systems?Noise can be reduced by using silencers on exhaust ports, ensuring proper alignment of moving parts, and operating within recommended pressure ranges.
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What is the typical operating pressure for pneumatic systems?Pneumatic systems usually operate between 80-120 PSI (pounds per square inch). Specific requirements depend on the application.
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How do I maintain a pneumatic system?Maintenance includes checking for air leaks, ensuring proper lubrication of components, cleaning or replacing filters, and monitoring compressor performance.
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What is the difference between hydraulics and pneumatics?Hydraulics use pressurized fluids, while pneumatics rely on compressed air. Pneumatics are ideal for lighter, faster, and cleaner applications, whereas hydraulics handle higher loads and pressures.
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What type of hydraulic fluid should I use?Choose fluid based on system specifications, operating temperature, and compatibility with seals. Options include mineral-based, synthetic, and water-based fluids. Consult your system’s manual or ask us for a recommendation.
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How long do hydraulic pumps and motors typically last?Lifespans vary based on usage and maintenance but range from 10,000 to 20,000 hours. Proper care, including regular fluid changes and filter replacements, can significantly extend life.
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What causes hydraulic leaks, and how do I prevent them?Leaks often result from worn seals, loose fittings, or damaged hoses. Regular inspections and timely replacement of worn components are essential to avoid leaks.
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How do I know when hydraulic fluid needs to be replaced?Signs include changes in colour (darkening), a burnt smell, or contamination with debris or water. Regular fluid testing and oil analysis can confirm if it has degraded or lost its viscosity.
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What is the difference between mineral-based and synthetic hydraulic fluids?Mineral-based fluids are derived from refined crude oil and are cost-effective for standard systems. Synthetic fluids offer better temperature stability, extended life, and are ideal for extreme environments but are typically more expensive.
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How often should I change hydraulic filters?Filters should be replaced every 500-1,000 operating hours or as recommended by the equipment manufacturer. Frequent changes are necessary in high-contamination environments.
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Why does my hydraulic fluid overheat, and how can I fix it?Overheating can result from insufficient cooling, clogged filters, or excessive system pressure. Solutions include ensuring proper airflow to coolers, cleaning filters, and adjusting pressure settings.
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How do I select the right hydraulic hoses and fittings?Consider pressure ratings, fluid compatibility, temperature resistance, and size requirements. Proper fittings and high-quality hoses prevent leaks and prolong system life.

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