SR 450 Petrol Mistblower

Powerful 2-in-1 backpack mistblower for spraying large areas of liquid and dusting and spraying granules. With a spraying distance of up to 14.5 metres and easy to use functions, this model allows you to work efficiently and in comfort. The 2 in 1 conversion mechanism allows you to switch from spraying liquid to dusting granules in no time.

£900.00*

Versions

Price

SR 450
£900.00*
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* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Technical data

Technical data	Value
CO2 g/kWh	977
Capacity cm3	63.3
Weight kg ¹⁾	12.8
Sound pressure level dB(A) ²⁾	101
Sound power level dB(A) ²⁾	110
Sound power level dB(A) ²⁾	109
Vibration value, right m/s2 ³⁾	1.9
Maximum air flow m3/h ⁴⁾	1.300
Horizontal spray width m	14.5
Performance kW	2.9
Tank volume l	1.70
Air throughput with Round Nozzle m3/h ⁵⁾	920

1) Without fuel, complete
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s ²
4) Without blowing tube
5) With Round Nozzle

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Standard features

STIHL ElastoStart

STIHL ElastoStart reduces the shock caused by the compression of the engine during starting. The compression shock is taken away from the user's joints and muscles through a spring or rubber element in the starter handle.
Anti-vibration system

Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.
Carrying system

Mistblowers are equipped with a practical carrying system. Weight is evenly distributed across the shoulders and back to ensure maximum user comfort.
Multi-function control handle

Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.
14-litre tank with large filler opening

The 14-litre container offers exceptional capacity. You can work for longer before having to refill. Filling is quick and clean with the large filler opening. Spillages are kept to a minimum and the container is easy to clean. (similar to illustration)
2-in-1 conversion mechanism

The universal SR 450 can be switched easily from spraying to dusting at the turn of a handle. No need for a separate conversion kit or specialist technical skills.
Grid

With the three grids that you can assemble, you can change the spray jet's shape and direction. Taper grids, diffraction grating and double diffraction grating are standard features.
Metering system with easy metering lever

The large metering lever for dusting or spraying granules is just below the control handle. With just one movement, you can switch the flow of powder on and off, and set the exact concentration in fine intermediate stages.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Accessories

- Hip belt
  
  The hip belt evenly distributes the weight of the device. It is comfortable to wear and reduces strain on your back - even when working over extended periods of time.
Versions
Price
- Hip belt for BR 320, BR 340, BR 350, BR 420, BR 430, BR 450, SR 200, SR 420, SR 430, SR 450 £43.33*
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* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
- Pressure pump kit
  
  The pressure pump keeps the amount of spray constant and mixes the liquid in the tank. Contains a set of nozzles.
Versions
Price
- Pressure pump kit for SR 450 £135.36*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
- Extension tube
  
  Extends the spraying tube by 33 cm. Pressure pump is also recommended with this accessory. Suitable for SR 450.
Versions
Price
- Extension tube for SR 450 £13.29*
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* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
- Set of ULV nozzles
  
  Important for optimum distribution of fertiliser, and enables dusting to be carried out with extremely fine droplets. Suitable for the SR 450.
Versions
Price
- ULV nozzles for SR 450 £12.84*
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* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.

Owners manuals and safety brochures

Languages	Date	Link
en	04/02/2022	Download PDF 2.6 MB Download PDF 2.6 MB

Backpack mistblower with 2-MIX engine