A manual knapsack sprayer is a human-powered, backpack-mounted device used to apply liquids like pesticides, herbicides, and fertilizers evenly across crops and gardens.
Key Features and Specifications
- Tank Capacity: Typically holds 16 litres of liquid, though 20-litre models are also available.
- Material: Built using chemical-resistant HDPE (High-Density Polyethylene) or polypropylene for a lightweight yet durable body.
- Operation: Uses a hand-operated lever or pump handle connected to an internal pressure chamber (plastic or brass) that builds pressure manually.
- Weight: Weighs around 3 kg when empty.
- Nozzles: Comes with interchangeable nozzles (such as single, double, or flat-fan) to adjust the spray pattern.
- Comfort: Features an ergonomic backpack design with adjustable, padded shoulder straps to reduce user fatigue.
- Spraying insecticides, fungicides, and pesticides on field crops.
- Applying liquid fertilizers and weed killers in gardens or nurseries.
- General outdoor sanitization and disinfection tasks