整體斜面高溫球閥的密封結(jié)構(gòu)具有高強(qiáng)度、高耐磨、回彈性強(qiáng),又有自行調(diào)節(jié)密封的作用等優(yōu)點(diǎn),故密封可靠、使用壽命長(zhǎng),大量用于石油、化工蒸汽等管道介質(zhì)流動(dòng)的啟閉器。
本閥門在使用中要求將閥門全開或全關(guān),不允許將閥門部份開啟作為調(diào)節(jié)流量,否則在介質(zhì)流速較高時(shí)易使密封面損壞。
PN1.6MPa
DN |
L |
D |
K |
d |
n-L |
f |
C |
40 |
200 |
160 |
110 |
84 |
4-18 |
2 |
18 |
50 |
230 |
165 |
125 |
99 |
4-18 |
2 |
20 |
65 |
290 |
186 |
146 |
118 |
4-18 |
2 |
20 |
80 |
310 |
200 |
160 |
182 |
4-18 |
2 |
20 |
100 |
350 |
230 |
180 |
166 |
4-18 |
2 |
22 |
125 |
400 |
250 |
210 |
184 |
4-18 |
2 |
22 |
150 |
480 |
286 |
240 |
211 |
8-22 |
2 |
24 |
200 |
600 |
340 |
295 |
266 |
12-22 |
2 |
24 |
PN2.5MPa
DN |
L |
D |
K |
d |
n-L |
f |
C |
4O |
200 |
150 |
110 |
84 |
4-18 |
2 |
18 |
50 |
230 |
166 |
125 |
99 |
4-18 |
2 |
20 |
65 |
290 |
186 |
145 |
1t8 |
4-18 |
2 |
22 |
80 |
310 |
200 |
160 |
152 |
8-18 |
2 |
24 |
100 |
350 |
235 |
190 |
166 |
8-22 |
2 |
24 |
125 |
400 |
370 |
220 |
184 |
8-26 |
2 |
26 |
150 |
480 |
300 |
250 |
211 |
8-26 |
2 |
28 |
200 |
600 |
360 |
310 |
274 |
12-26 |
2 |
30 |
PN4.0MPa
DN |
L |
D |
K |
d |
n-L |
Y |
fl |
f2 |
C |
40 |
200 |
160 |
110 |
84 |
4-18 |
76 |
4 |
3 |
18 |
50 |
230 |
166 |
125 |
99 |
4-18 |
88 |
4 |
S |
20 |
65 |
290 |
186 |
146 |
118 |
8-18 |
110 |
4 |
3 |
22 |
80 |
310 |
200 |
160 |
132 |
8-18 |
121 |
4 |
3 |
24 |
100 |
350 |
236 |
190 |
156 |
8-22 |
15 |
4.5 |
3.6 |
24 |
125 |
400 |
270 |
220 |
184 |
8-26 |
176 |
4.5 |
3.5 |
26 |
150 |
480 |
300 |
250 |
211 |
8-26 |
204 |
4.5 |
3.6 |
28 |
200 |
600 |
376 |
320 |
284 |
12-30 |
260 |
4.5 |
3. |