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Silvent 453

SILVENT 453: the smallest version of Silvent’s doughnut nozzles with just an inner ring of nozzles. This is our most commonly used type of doughnut nozzle. Finding the blowing pattern that is most suitable for the majority of blow-off processes is the result of years of experience with previous generations of doughnut nozzles. These nozzles are designed for continuous production and the cleaning or drying of cables, sections, pipes, hoses etc. The SILVENT 453 allows problem-free insertion and removal of material with diameters of 5 mm to 25 mm (0.2”-1.0”). There are attachment lugs for easy and safe mounting.
Noise reduction 78%
Air/cost savings 38%


SI units US units  
Blowing force20.0 N4.4 lbs
Air consumption114 Nm³/h67.1 scfm
Sound level90 dB(A)
Blowing patternMisc.
ConnectionG 1/2" 1/2"-14 NPT
Connection typeFemale
Dimensions113x120x38 mm4.45x4.72x1.50 inch
Weight0.275 kg0.606 lbs
Max temp70 °C158 °F
Max operating pressure1.0 MPa143.0 psi


Replace open pipe10 mm3/8 inch
Noise reduction [dB(A)]22 dB(A)78 %
Air/cost savings [Nm³/h]71 Nm³/h38 %
Meet the EU Machine directivesYes

Blowing properties at different pressures

SI units (kPa)2004006008001000
Blowing force (N)8.415.624.030.637.8
Air consumption (Nm³/h)55.891.8136.8178.8220.8
Sound level (dB(A))82.087.892.095.998.5
US units (psi)406080100120
Blowing force (oz)41.458.378.294.1111.1
Air consumption (scfm)42.955.774.891.9109.6
Sound level (dB(A))84.988.191.394.396.6