The Silvan NBB-3W650 14L Motorised Backpack Mister is a professional-grade, petrol-powered misting sprayer designed for fast, wide-coverage application of liquid treatments in horticultural, agricultural, and pest control environments.

Powered by a 33.5cc 2-stroke engine with fan-assisted atomisation, this unit delivers a fine, high-penetration mist that improves coverage through dense foliage while significantly reducing application time compared to manual sprayers.

It is widely used in nurseries, orchards, greenhouses, and large garden or park environments where consistent spray distribution is critical.

What This Backpack Mister Is Used For

This motorised sprayer is designed for efficient large-area application of:

• insecticides and pesticides
• fungicides and crop protection chemicals
• herbicides for weed control
• fertiliser and foliar sprays
• general horticultural treatments

The fan-assisted system helps carry spray deeper into plant canopies for improved coverage.

Key Features

• 14L UV-stabilised chemical tank with anti-spill lid
• Powerful 33.5cc 2-stroke petrol engine
• Fan-forced atomised mist system for wide coverage
• High airflow design improves spray penetration into foliage
• Joystick control with adjustable fan speed and spray activation
• Anti-vibration harness system reduces operator fatigue
• Soft padded shoulder straps for improved comfort
• Recoil start with non-contact ignition system
• 3 nozzle options for different spray patterns and applications
• Designed for professional agricultural and horticultural use

Performance & Spray Capability

The NBB-3W650 is engineered for high-efficiency coverage:

• Spray range up to approx. 12 metres (horizontal and vertical)
• Fine mist atomisation for even distribution
• High airflow fan assists spray reach and penetration
• Suitable for both targeted and broad-area spraying

 This makes it significantly more efficient than manual pump backpack sprayers for large properties.

Ergonomics & Operator Comfort

Designed for extended use in the field:

• Anti-vibration mounting reduces engine fatigue
• Padded shoulder straps and harness support load distribution
• Balanced backpack design improves stability during movement
• Joystick control allows one-handed operation

Applications

Commonly used in:

Agriculture & Horticulture

• orchards and vineyards
• vegetable production
• greenhouse spraying
• crop protection programs

Commercial Landscaping

• parks and recreational grounds
• large garden maintenance
• council vegetation control

Pest Control

• insect and disease management
• perimeter spraying
• large-scale treatment areas

Why Choose a Motorised Backpack Mister?

Compared to manual sprayers, this unit provides:

• significantly faster application times
• more consistent spray coverage
• improved penetration into dense foliage
• reduced operator fatigue over large areas
• ability to cover large properties efficiently

 Ideal for professionals who spray regularly or at scale.

Important Usage Notes

• Designed for liquid-only applications (no powders or granules)
• Always use approved chemicals for misting equipment
• Clean thoroughly after each use to prevent nozzle blockage
• Wear appropriate PPE when operating

Product Specifications

• Product code: NBB-3W650
• Brand: Silvan
• Tank capacity: 14L
• Engine: 33.5cc 2-stroke petrol
• System type: Fan-assisted atomised mist sprayer
• Spray range: up to approx. 12m
• Control: Joystick with variable fan speed
• Weight: approx. 11kg (empty)
• Tank material: UV-stabilised polyethylene
• Application: Agricultural / horticultural / pest control

Who This Product Is For

Ideal for:

• farmers and orchard operators
• horticultural growers and nurseries
• pest control professionals
• council maintenance teams
• large property owners needing efficient spraying