page 10 of 91 USB-QFLCII-14804/0
Unit
Q-FlapCompact II / Q-FlapCompact II plus series /
DN
Maximum Kst value
200 200 200 200 200 200 200 200
distance dust
ft. 8.53 6.56 6.56 6.56 6.56 6.56 8.53 8.53
distance dust
ft. 21.65 22.97 22.97 22.97 22.97 22.97 21.65 21.65
Unit
Q-FlapCompact II / Q-FlapCompact II plus series /
DN
Maximum Kst value
200 200 200 200 200 200 200 200
distance dust
ft. 8.53 8.53 8.53 9.84 9.84 9.84 9.84 9.84
distance dust
ft. 21.65 21.65 21.65 22.97 22.97 22.97 22.97 22.97
Unit
Q-FlapCompact II / Q-FlapCompact II plus
series / DN
Maximum Kst value
200 200 200 200 200 200
Minimum mounting
distance at St 1
aluminum dust (no
heating value
m 3.5 3.5 3.5 3.5 3.5 3.5
ft. 11.48 11.48 11.48 11.48 11.48 11.48
distance dust
explosion class St 1
aluminum dust (no
heating value
m 4.5 4.5 4.5 4.5 4.5 4.5
ft. 14.76 14.76 14.76 14.76 14.76 14.76
Unit
Q-FlapCompact II / Q-FlapCompact II plus
series / DN
Maximum Kst value
300 300 300 300 300 300
Minimum mounting
distance at dust
explosion class St 2
m 3.6 3.5 3.5 3.5 3.5 3.5
ft. 11.81 11.48 11.48 11.48 11.48 11.48
distance at dust
m 7 7.5 7.5 7.5 7.5 7.5
Mounting
distance for dust
explosion class1
sizes
DN 140 (5.51’’) to
DN 400 (15.75’’)
Mounting
distance for dust
explosion class1
sizes
DN 450 (17.72’’)
to DN 1000
(39.37’’)
distance for
aluminum dust
explosion class1
(no heating value
restriction))
distance at dust
explosion class 2