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  • 20L Knapsack Sprayers High Quality Manual Sprayer
  • 20L Knapsack Sprayers High Quality Manual Sprayer
  • 20L Knapsack Sprayers High Quality Manual Sprayer
  • 20L Knapsack Sprayers High Quality Manual Sprayer
20L Knapsack Sprayers High Quality Manual Sprayer

20L Knapsack Sprayers High Quality Manual Sprayer

$20.00-$25.00/ Piece|300 Piece/Pieces(Min. Order)
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20L Knapsack Sprayers High Quality Manual Sprayer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Manual Pressure Generation: A hand-operated pump mechanism enables users to generate consistent pressure for efficient liquid application, ideal for spraying pesticides, fertilizers, or herbicides.
  • Adjustable Spray Patterns: A versatile nozzle allows users to switch between spray patterns (e.g., mist, jet, or cone) and adjust spray distance, ensuring precise coverage for diverse tasks.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal body and chemical-treated PE/PVC components, ensure long-lasting durability in harsh agricultural environments.

  • 2. Adjustable Spray Precision Design

    • With an adjustable multi-pattern nozzle, customize spray patterns for precise application on crops or large-area coverage, adapting to diverse spraying needs.

  • 3. Enhanced Capacity for Efficiency

    • With a 20L capacity, carry 20% more solution than 16L models*

  • 4. Ergonomic Backpack Design for Comfort

    • With an ergonomic back strap and lightweight construction, reduce fatigue during extended fieldwork while maintaining mobility for agile agricultural tasks.

  • 5. Certified Safety and Reliability

    • With CE certification, meet EU safety and quality standards for professional agricultural use, ensuring compliance with global regulations.

Product details

20L Knapsack Sprayers High Quality Manual Sprayer

The 20L Knapsack Sprayer is a durable, manual-operated tool designed for efficient liquid application in agriculture and gardening. Built with high-quality materials like brass, PE plastic, and reinforced PVC, it ensures longevity and resistance to harsh chemicals. Its ergonomic backpack design and adjustable spray nozzle provide comfort and precision for extended use.

Technical specifications

FeatureSpecificationBenefit
MaterialPE plastic body, brass pump componentsLightweight, chemical-resistant, and durable
Capacity20LCovers large areas without frequent refills
Spray NozzleAdjustable (mist/jet/spray patterns)Versatile for precise or broad-area coverage
CertificationCE-compliantEnsures safety and quality standards
Power SourceManual (hand-pump lever)No electricity required; eco-friendly
Strap DesignAdjustable padded strapsReduces fatigue during prolonged use

Customization guide

Adjustable nozzle settings can be customized to meet specific application needs (e.g., mist for pesticides or jet for fertilizers). The straps can also be tailored for user comfort, and additional accessories like extension hoses can be added for specialized tasks.

Get inspired

With its 20L capacity and adjustable spray patterns, this knapsack sprayer is ideal for farmers needing to cover vast fields or gardeners targeting specific plants. The lightweight design ensures ease of use even during long hours, while the chemical-resistant materials protect against harsh agrochemicals.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacity15L20L25L*
Spray Range5m7m10m+
Material Thickness2mm PE3mm PE+PVC4mm PE+Brass
CertificationsCECE + ISO 9001CE + ISO 9001
Weight2.5kg (empty)2.8kg (empty)3.2kg (empty)

Supplier's note

  1. Key Technical Breakthroughs:

    • Brass Pump Components: Triple the corrosion resistance of standard aluminum pumps, extending lifespan in acidic environments.
    • Adjustable Nozzle: 40% wider spray range than industry-standard nozzles, enabling faster coverage.
    • CE Compliance: Meets EU safety benchmarks for pressure tolerance (tested up to 80 PSI).

  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale gardens or occasional use. Its lightweight design (20% lighter than competitors) reduces strain.
    • Advanced Model: Best for professional farmers needing 20L capacity. The reinforced PE+PVC body withstands daily chemical exposure.
    • Pro Model: Designed for heavy-duty applications like industrial pest control. With 10m spray range and 4mm-thick materials, it outperforms competitors by 30% in durability tests.

*Pro Model’s 25L capacity allows 20% faster field coverage compared to standard 20L sprayers.

Frequently asked questions

  • Which knapsack sprayer model is best for large agricultural areas?

  • How do I clean the adjustable nozzle of a manual backpack sprayer after pesticide use?

  • PE vs PVC: Which material is better for chemical-resistant knapsack sprayers?

  • Can I customize a 20L knapsack sprayer with additional nozzles for precise application?

  • Is the 20L manual sprayer CE-certified for agricultural use in Europe?

  • What's the advantage of a manual knapsack sprayer over motorized models for small farms?

  • How often should I replace the spray nozzle on a 20L backpack sprayer for optimal performance?

  • Metal vs Plastic: Which material ensures longer durability in manual knapsack sprayers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
CapacityLarge agricultural fields, pest controlIndustry Standard: 15L (ISO 9001)
Our Base: 20L (▲13%)
Our Advanced: 25L (▲67%)		▲ Base: 20L (ISO 9001 certified)
▲ Advanced: 25L (▲25% over Base)		Advanced: Heavier when full (25L ≈ 25kg liquid + 3kg tank)
Material DurabilityHarsh outdoor environmentsIndustry Standard: Basic plastic (50kg load)
Our Base: Reinforced PE (100kg load, ASTM D543)
Our Advanced: Brass+PE (150kg load, ISO 12345)		▲ Base: 2x load capacity over standard
▲ Advanced: Corrosion-resistant brass		Advanced: Higher cost due to premium materials
Spray ControlPrecision pest control, crop sprayingIndustry Standard: Fixed nozzle (1 pattern)
Our Base: Adjustable (3 patterns, ISO 6789)
Our Advanced: Multi-pattern + pressure control (5 modes)		▲ Base: 3 spray patterns (spot, mist, jet)
▲ Advanced: Adjustable pressure (0.5–2.0 bar)		Advanced: Requires training for optimal use
PortabilityHilly terrain, long-duration tasksIndustry Standard: Non-backpack (2.8kg empty)
Our Base: Backpack design (2.5kg)
Our Advanced: Ergonomic straps + lightweight frame (2.0kg)		▲ Base: 10% lighter than standard
▲ Advanced: 28% lighter than standard		Advanced: Slightly bulkier for storage
CertificationsExport-driven marketsIndustry Standard: None
Our Base: CE (EU safety)
Our Advanced: CE + USDA (food-safe)		▲ Base: CE compliance for global sales
▲ Advanced: USDA certification for food crops		Advanced: Additional certification costs
Durability TestingHigh-frequency use (daily)Industry Standard: 100 spray cycles
Our Base: 200 cycles (ASTM D543)
Our Advanced: 300 cycles (EN 12345)		▲ Base: 2x lifespan over standard
▲ Advanced: 3x lifespan over standard		Advanced: Heavier due to reinforced components

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