UPVC ֱͨ |
¹«³Æͨ¾¶DN |
d |
Z |
L |
D |
d2 |
15 |
20 |
16 |
35 |
27 |
18 |
20 |
25 |
19 |
40 |
32 |
23 |
25 |
32 |
22 |
47 |
40 |
30 |
32 |
40 |
26 |
55 |
50 |
38 |
40 |
50 |
31 |
65 |
61 |
47.5 |
50 |
63 |
38 |
80 |
75 |
60 |
65 |
75 |
44 |
92 |
88 |
72 |
80 |
90 |
51 |
107 |
104 |
86 |
100 |
110 |
61 |
127 |
127 |
105 |
125 |
140 |
76 |
158 |
161 |
134 |
150 |
160 |
86 |
180 |
184 |
154 |
200 |
225 |
119 |
247 |
249 |
219 |
250 |
280 |
146 |
300 |
309 |
275 |
300 |
315 |
163.5 |
338 |
346 |
310 |
350 |
355 |
184 |
380 |
392 |
349 |
400 |
400 |
206 |
430 |
440 |
393 |