Silvent 220 F Adjustable Flexblow Hoses

Flexblow hose keeping a crosscut saw clean

SILVENT 640 being used for cooling and cleaning

Silvent 220 F Adjustable Flexblow Hoses

Nozzle Features:
• Bendable hose maintains fixed position during operation
• Adjustable to optimal blowing angle for reduced noise and air usage
• Enhanced durability with improved bending and flow control
• Oil-resistant construction – compatible with coolants
• Available in 6 standard lengths
• Threaded connection options: 1/8” or 1/4”
• Compatible with SILVENT 5001, 208, or 920 nozzles
• Fully OSHA compliant when fitted with SILVENT nozzles
• Patented design

Ideal for use in environments where precise, quiet, and energy-efficient air blowing is essential.

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Technical data

	SI units	US units
Blowing force	5.5 N	1.2 lbs
Air consumption	30 Nm³/h	17.7 scfm
Sound level	81 dB(A)
Blowing pattern	Flat
Connection	G 1/4″	1/4″-18 NPT
Connection type	Male
Dimensions	242 mm	9.53 inch
Material	Zinc
Weight	0.245 kg	0.540 lbs
Max temp	70 °C	158 °F
Max operating pressure	1.0 MPa	143.0 psi
Benefits
Replace open pipe	6 mm	1/4 inch
Noise reduction [dB(A)]	21 dB(A)	77 %
Air/cost savings [Nm³/h]	37 Nm³/h	55 %
Meet the EU Machine directives	Yes

Blowing properties at different pressures

SI units (kPa)	200	400	600	800	1000
Blowing force (N)	2.0	4.3	7.0	9.2	11.4
Air consumption (Nm³/h)	12.0	25.0	38.0	50.1	62.0
Sound level (dB(A))	72.0	79.1	83.3	86.6	88.4
US units (psi)	40	60	80	100	120
Blowing force (oz)	10.4	16.2	22.1	27.8	33.7
Air consumption (scfm)	10.8	15.4	20.0	24.6	29.2
Sound level (dB(A))	75.1	79.3	82.5	85.0	87.0

Air cone patterns and velocity distribution

SI units (mm)	50	100	200	300	400	500
Blowing pattern (width)	80	100	140	180	220	260
Blowing pattern (height)	40	60	100	140	180	220
Velocity (m/s)	122	100	57	40	36	33
US units (inch)	2	4	8	12	16	20
Blowing pattern (width)	3.15	3.94	5.51	7.09	8.66	10.24
Blowing pattern (height)	1.57	2.36	3.94	5.51	7.09	8.66
Velocity (ft/s)	400	328	187	131	118	108