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Round ventilation door
Round ventilation door
Ministry of convex baffle housing block with nails, to open and close function from the time limit. Round ventilation door, respectively, by sub-diameter manual preparation of DN100-DN1400, electric all 18 kinds of specifications
Round ventilation door
Specification for Round Ventilation door:
图号
公称通径DN
D
D1
D2
B
L
δ
d
d1
螺杆孔数(n)
重量Kg
mm
DD4101
100
195
100
160
80
177
14
φ15
17X17
32X32
14
4
7.2
DD4102
150
250
150
215
238
8
12.3
DD4103
200
305
200
270
270
16
16.1
DD4104
250
365
260
330
90
300
12
21.1
DD4105
300
430
310
385
180
342
18
25.4
DD4106
350
480
360
435
367
51.2
DD4107
400
535
410
490
392
20
18
64.1
DD4108
450
585
460
540
417
70.8
DD4109
500
645
520
600
447
82.9
DD4110
600
745
620
700
497
16
99.6
DD4111
700
850
710
800
260
570
22
24
179
DD4112
800
950
810
900
620
20
202
DD4113
900
1050
910
1000
670
233
DD4114
1000
1150
1010
1100
720
22
267
DD4115
1100
1250
1110
1200
300
790
362
DD4116
1200
1350
1210
1300
840
408
DD4117
1300
1450
1310
1400
890
24
446
DD4118
1400
1550
1410
1500
940
28
484

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