主要设计参数
公称压力：PN1.6~6.4MPa
使用温度：常温：-28~180℃ 中温：-40~450℃
阀体材料：WCB、CF8、CF8M、CF3M
阀杆：2Cr13
回转角度:90°
阀座：PTFE、Ocr17Ni4Cu4Nb
阀芯材料：CF8、CF8M、CF3M
基本误差：1.5%
死区：0.5%
公称通径DN、额定流量系数Kv、允许压差△P见下表：
| DN |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
| Kv |
22 |
36 |
58 |
82 |
145 |
200 |
355 |
798 |
1418 |
2209 |
3185 |
4309 |
5664 |
| △P(MPa) |
14 |
8 |
10 |
9 |
20 |
14 |
8 |
6 |
3.5 |
1.6 |
2.5 |
2 |
1.5 |
连接尺寸表：
| PN16(1.6MPa) |
| DN |
L |
H |
D |
D1 |
D2 |
b |
f |
N-φ |
| 25 |
85 |
425 |
115 |
85 |
65 |
14 |
2 |
4-14 |
| 32 |
100 |
440 |
135 |
100 |
78 |
16 |
2 |
4-18 |
| 40 |
114 |
450 |
145 |
110 |
85 |
16 |
3 |
4-18 |
| 50 |
124 |
464 |
160 |
125 |
100 |
16 |
3 |
4-18 |
| 65 |
165 |
580 |
180 |
145 |
120 |
18 |
3 |
4-18 |
| 80 |
165 |
586 |
195 |
160 |
135 |
20 |
3 |
8-18 |
| 100 |
194 |
596 |
220 |
180 |
155 |
20 |
3 |
8-18 |
| 125 |
210 |
636 |
250 |
210 |
185 |
22 |
3 |
8-18 |
| 150 |
229 |
643 |
280 |
240 |
210 |
24 |
3 |
8 23 |
| 200 |
297 |
820 |
335 |
295 |
265 |
26 |
3 |
12-23 |
| 250 |
320 |
924 |
405 |
355 |
320 |
30 |
3 |
12-25 |
| 300 |
345 |
945 |
460 |
410 |
375 |
30 |
4 |
12-25 |
| 350 |
350 |
1080 |
520 |
470 |
435 |
34 |
4 |
16-25 |
| 400 |
365 |
1140 |
580 |
525 |
485 |
36 |
4 |
16-30 |
| PN64(6.4MPa) |
| 25 |
85 |
438 |
135 |
100 |
78 |
22 |
2 |
4-18 |
| 32 |
100 |
454 |
150 |
110 |
82 |
24 |
2 |
4-23 |
| 40 |
114 |
454 |
165 |
125 |
95 |
24 |
3 |
4-23 |
| 50 |
124 |
554 |
175 |
135 |
105 |
26 |
3 |
4-23 |
| 65 |
165 |
570 |
200 |
160 |
130 |
28 |
3 |
8-23 |
| 80 |
165 |
582 |
210 |
170 |
140 |
30 |
3 |
8-23 |
| 100 |
194 |
591 |
250 |
200 |
168 |
32 |
3 |
8-25 |
| 150 |
229 |
647 |
340 |
280 |
240 |
38 |
3 |
8-34 |
| 200 |
297 |
894 |
405 |
345 |
300 |
44 |
3 |
12-34 |
| 250 |
320 |
932 |
470 |
400 |
352 |
48 |
3 |
12-41 |
| 300 |
345 |
952 |
530 |
460 |
412 |
54 |
4 |
16-41 |
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