Key benefits — why you need this product - Clean, eco-friendly suction without oil mist: the oil-free lubrication pump eliminates oil aerosol pollution and reduces maintenance, making the unit suitable for repeated use where contamination is a concern. - Safe, reliable continuous operation: automatic overheat protection shuts the unit off after 30 minutes of continuous use to prevent damage and reduce risk — a practical safety feature for caregivers and older users. - Clear performance feedback: the integrated pressure gauge lets you confirm normal operation at 0.075 MPa, so you can trust the machine is working as intended. - Overfill and overpressure protection: built-in safeguards prevent dangerous pressure buildup and ensure consistent, dependable performance during suction tasks. What it does and how it helps - Function: a suction machine designed to handle viscous liquids and wastewater while providing controlled, measured suction. The oil-free pump reduces contamination and simplifies maintenance. - Safety features: automatic shutoff after 30 minutes of continuous operation to avoid overheating; a pressure gauge indicating normal operation at 0.075 MPa; and overfill/overpressure protection to prevent unsafe pressure conditions. - Practical advantage: reduces the effort and risk associated with removing blockages, draining viscous waste, or assisting with airway secretion removal for vulnerable users. Compatibility and use considerations - Suitable media: viscous liquids and wastewater (designed to cope with thicker fluids that can be difficult for standard pumps). - User groups: useful for household maintenance, small workshop or site cleanup, and caregiving situations where suction assistance can help clear airway obstructions for older people and children. - Operation notes: built-in safeguards (30-minute auto shutoff and overfill protection) mean the unit is optimized for intermittent or monitored use rather than continuous, unattended operation. Performance highlights - Oil-free lubrication pump: environmental benefit and lower maintenance compared with oil-lubricated designs. - Pressure indication: gauge shows normal operation at 0.075 MPa for quick verification of proper function. - Thermal protection: automatic power cut after 30 minutes to prevent overheating and extend service life. Three practical applications 1) Household drain and septic maintenance: remove viscous waste and clear partial clogs in sinks, floor drains, and small sewer lines without introducing oil contaminants. 2) Caregiving and emergency assistance: assist older adults and children by clearing airway secretions or obstructions in non-invasive, short-duration situations, with visible pressure readout and safety cutoffs for added control. 3) Workshop and light industrial cleanup: collect thick liquids, sludge, or emulsions where an oil-free pump is preferred to avoid contamination of recovered fluids or work areas. What to expect in daily use - Easier cleanup and less post-use contamination due to oil-free operation. - A visible gauge to confirm the unit is performing at 0.075 MPa. - Built-in protections that reduce the risk of overheating and overpressure, improving safety for both operators and bystanders. Safety and maintenance tips - Monitor runtime to accommodate the 30-minute automatic shutoff and allow cool-down periods for extended tasks. - Use the pressure gauge to confirm operation before and during use. - Follow local disposal and cleaning guidance for recovered wastewater and viscous materials. This suction machine combines an oil-free lubrication system, visible pressure monitoring, and automatic safety cutoffs to deliver a practical, lower-maintenance solution for handling viscous liquids, wastewater, and short-duration suction tasks that support caregiving and maintenance needs.