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Silvent BG-007

SILVENT BG-007: hole-blower that replaces conventional air guns when cleaning out blind holes. Clean-out of blind holes generates extremely high and dangerous noise levels. BG-007 eliminates hazardous noise and collects flying chips and debris directly in a sealed container. This closed system ensures a cleaner, quieter, and safer working environment. Fitted with a specially designed rubber collar that completely seals off the hole during clean-out. The flexibility of the collar allows adjustment to the ergonomically correct working angle. The collection vessel is easy to empty and can be rotated 360°. Provides both top and bottom air supply connection.
Noise reduction 71%
Air/cost savings 87%


SI units US units  
Blowing force1.0 N3.5 oz
Air consumption4.4 Nm³/h2.6 scfm
Sound level77 dB(A)
Blowing patternMisc.
ConnectionG 1/4" 1/4"-18 NPT
Connection typeFemale
MaterialStainless steel
Weight0.305 kg0.672 lbs
Max temp70 °C158 °F
Max operating pressure0.7 MPa100.0 psi


Replace open pipe4 mm5/32 inch
Noise reduction [dB(A)]18 dB(A)71 %
Air/cost savings [Nm³/h]26 Nm³/h87 %
Meet the EU Machine directivesYes

Blowing properties at different pressures

SI units (kPa)2004006008001000
Blowing force (N)
Air consumption (Nm³/h)
Sound level (dB(A))66.274.378.982.785.4
US units (psi)406080100120
Blowing force (oz)
Air consumption (scfm)
Sound level (dB(A))68.874.678.781.283.7

Dimensioning rules

The BG-007 is designed to collect short chips. The BG-007 is not suitable
for gathering long spiral chips.
Min. hole diameter - Ø6 mm (0.24")
Max. hole diameter - Ø24 mm (0.95")
Max. hole depth - 4 x Ø


Two-step system
The 007 grip features a unique valve design with a two-step system that considerably reduces both noise levels and energy consumption. The first step, variable position, allows variable adjustment of the blowing force and is more than adequate for most types of work. It generates a low sound level and permits energy savings of up to 50%. The gun’s second step, the “booster position”, delivers twice the blowing force for the most demanding operation.

Top and bottom connection
The grip offers two connection possibilities – both top and bottom air supply connection. From the viewpoint of safety, as well as ergonomics, top connection is the best alternative. Safety valves at the connections eliminate the risk of injury.

Softgrip handle
The 007 safety gun has an ergonomically designed Softgrip handle of synthetic rubber that is highly durable and oil resistant. The material insulates well against heat and cold, and the handle is easy on the hand and wrist.