brookfield NB-2000-HD2
Table 1
Minimum
Closing Time (seconds) to Latch Check*
Door Weight (lbs.)
Door
Width(in.)
20000
25000
30000
35000
40000
45000
50000
55000
60000
48
37
41
44
48
51
55
57
60
63
54
41
46
50
54
58
61
65
68
71
60
46
51
55
60
64
68
72
75
79
66
50
56
61
66
71
75
79
83
86
72
55
61
66
72
77
82
86
90
94
84
64
71
77
84
90
95
100
105
110
96
73
81
89
96
103 109 115
120
125
*PER ANSI 156.10. For weights and widths not listed, TIME=(DOOR WIDTH) X (DOOR WEIGHT)^1/2 / 188
Minimum Opening Time (seconds) to Backcheck**
**shall be set to the same criteria as closing times.
(Latchcheck or Backcheck): A door shall not close or
open in the last 10 degrees in less than 1.5 seconds
IMPORTANT:
Operating door at speeds faster than those established in ANSI 156.10 will void warranty and may
damage operator.
Summary of Contents for NB-2000-HD2
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