Technical Specifications
| Hospital | grade piston-based suction machines are typically oil-free, high-vacuum, and high-flow devices designed for continuous or intermittent use in surgical and critical care settings. |
| Pump Type | Oil-free rocking or multi-piston pump, which is maintenance-free and ensures no oil mist or contamination. |
| Max Vacuum Pressure | High vacuum, typically ranging from -700 mmHg to over -900 mmHg (approx. 90 kPa). For specific applications like adult tracheostomy, the safe functional range is generally 80-120 mmHg. |
| Flow Rate (Capacity) | High flow rate, commonly between 25 to over 40 Liters per Minute (LPM). High-demand units (e.g., for liposuction) can offer up to 128 LPM. |
| Collection Jars | Dual jars are standard for hospital use, typically 1.5 L to 2.5 L capacity each, made of autoclavable polycarbonate or glass material. |
| Overflow Protection | An integrated float valve or hydrophobic filter mechanism that automatically stops suction to prevent fluid from entering the pump motor. |
| Bacterial Filter | Autoclavable or disposable filters are used to prevent contamination and maintain hygiene. |
| Electrical Safety | Appliances should meet safety requirements such as Class I, Type B, with an integrated fuse for protection. |
| Noise Level | Designed for relatively quiet operation in clinical environments, typically less than 65 dB(A). |
| Stationary/Trolley Units | Mounted on a sturdy, powder-coated metal cabinet with anti-static castor wheels for easy movement within the hospital. |
| Portable Units | Compact, lightweight designs with a handle for easy transport in emergency or home-care settings. |
| Power Supply | Standard AC power (e.g., 220-240 V, 50/60 Hz), with some portable models featuring battery backup or DC power options for ambulance use. |
| Controls | Features include a vacuum regulator knob for precise pressure adjustment, a vacuum gauge (0-760 mmHg calibration), and sometimes hand/foot switches for operation. |
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