Farmate Knapsack Manual sprayer 20L

Farmate 20 L manual backpack (knapsack) sprayer

The Farmate 20 L Backpack Sprayer is a heavy-duty, lever-operated manual sprayer designed for agricultural, horticultural, and pest-control use. Engineered with a high-density, UV-resistant polyethylene tank and a brass piston pump, it’s built to last and handle tough farm conditions 

 Common Uses

• Pesticide Applications — Protect crops, livestock shelters, and control household pests 
• Herbicide Spraying — Spot-treat weeds in gardens, orchards, or paths .
• Fertilizer Application — Apply foliar or soil-enrichment liquid nutrients .
• Disinfection & Cleaning — For equipment, animal pens, public spaces, and structural sanitation .

 Benefits

• High Capacity & Efficiency — 20 L volume covers larger areas before refill 
• Robust & Chemical-Resistant — Quality materials designed for professional use .
• Operator-Friendly Design — Ergonomic straps, easy pumping, and continuous spray improve comfort and reduce fatigue .
• Precise & Versatile Output — Adjustable nozzle and reliable pressure control reduce chemical waste and improve spray accuracy.
• Low Maintenance — Simple mechanics, durable seals, and internal agitator streamline maintenance routines.

 How to Use

1. Pre‑Use Inspection

• Check tank, seals, hose, and pump; ensure no damage.
•  Adjust straps and waist belt for a secure, balanced carry.

         2.Filling & Mixing

• Mix chemicals in a separate container using recommended ratio.
• Pour mixture into the tank using the large fill opening.

           3. Pressurizing

• Secure the lid. Pump until reaching desired pressure—about five strokes to hit

           4. Nozzle Adjustment

• Select the appropriate nozzle (cone for pesticides, fan for herbicides).
• Twist to set spray pattern from mist to jet.

Application Technique

• Wear PPE (gloves, goggles, mask).
• Hold the lance about 30–50 cm from target surfaces.
• Maintain steady walking pace and consistent pressure.

Cleaning & Storage

• Empty and rinse the tank thoroughly after use.
• Pump clean water through nozzles and hose.
• Release pressure before storage; keep sprayer in a cool, shaded area to avoid UV damage.

 Care & Maintenance Tips

1. Regular Cleaning — Prevent nozzle clogging and pump wear by rinsing after each use.
2. Inspect Seals & Valves — Replace Santoprene piston cups and seals if worn.
3. Lubricate Moving Parts — Keep pump and valves operating smoothly.
4. Calibrate Periodically — Adjust application rate for accuracy.
5. Proper Storage — Release pressure and store out of direct sunlight.

 Final Thoughts

The Farmate 20 L Backpack Manual Sprayer brings together high capacity, durable build, and operator comfort—ideal for spraying pesticides, herbicides, fertilizers, and disinfectants. Its adjustable pressure, ergonomic design, and low maintenance make it a smart, efficient tool for both small-scale farmers and horticultural users.