S I L E N C E R

- For power vacuum ejectors

There is a hissing sound...

when compressed air exhausts. The silencer will help.
The exclusive "whisper silencer" is made of Nylon or aluminum and reduces the noise to an acceptable level.
The aluminum version is open and suitable for transport of solids and liquids.




Nylon version, closed

Order-No.
ST-type
(old)
Noise level
Dimensions
A
B
C
D
E
F
AA2   58 dB Outside Ø 1/8" 5.8 24.6 27.4 9.91 15.5
AA4   62 dB Outside Ø 1/4" 8.1 32.0 35.3 11.94 19.6
AA6   70 dB Outside Ø 3/8" 10.4 44.2 47.2 15.75 24.4
Operating pressure: 5.5 bar · Operating temperature: -10 °C...+80 °C
ST with outside threading

 ST with inside threading


ST-2020


Aluminum version, open

Order-No.
ST-type
(old)
Noise level
Dimensions
A
B
C
D
E
F
ST2    68 dB Outside Ø 1/8" 7.6 16.0 25.4 5.1 16.0
ST4  (SD1/4) 68 dB Outside Ø 1/4" 7.6 37.8 47.2 8.9 19.1
ST4A-2    72 dB Outside Ø 1/4" 9.4 55.4 65.0 12.7 25.4
ST6A (SD3/8) 72 dB Outside Ø 3/8" 9.7 81.0 90.4 12.7 25.4
ST8A (SD1/2) 74 dB Outside Ø 1/2" 9.7 81.0 90.4 12.7 25.4
ST8B   76 dB Outside Ø 1/2" 9.7 106.4 122.4 18.3 31.8
ST12C   80 dB Outside Ø 3/4" 12.7 157.0 176.0 31.8 50.8
ST16C   80 dB Outside Ø 3/4" 12.7 157.0 176.0 31.8 50.8
ST-2020   82 dB Ø 1.99 1.78 310.6 328.4 56.1 87.9
ST4AX   75 dB Outside Ø 1/4" 81.0 90.4 12.7 25.4   
ST6BX   77 dB Outside Ø 3/8" 106.4 122.4 12.7 25.4   
ST16FC   80 dB Outside Ø 1" 162.3 181.4 31.8 50.8   
ST24FC   82 dB Outside Ø
1 1/2"		 180.3 199.4 31.8 50.8   
Operating pressure: 5.5 bar · Operating temperature: -10 °C...+80 °C

Aluminum/Nylon version, closed

Order-No.
ST-type
(old)
Noise level
Dimensions
A
B
C
D
E
F
STAA4 (SD1/4D) 58 dB Outside Ø 1/4" 7.6 72.1 75.7 11.9 19.6
Operating pressure: 5.5 bar · Operating temperature: -10 °C...+80 °C