一、H42F襯氟立式止回閥概述：
FEP(F46)、PCTFE(F3)襯氟立式止回閥適用在-50℃～150℃的各種濃度的王水、硫酸、鹽酸、氫氟酸和各種有機(jī)酸、強(qiáng)酸、強(qiáng)氧化劑，F(xiàn)EP還適用于各種濃度的強(qiáng)堿有機(jī)溶劑以及其它腐蝕性氣體、液體介質(zhì)的管路上使用。
二、H42F襯氟立式止回閥零件材料：
|
零件名稱 |
材料 |
|
上下閥體 |
鑄鐵、鑄鋼、不銹鋼、內(nèi)襯F46、F3 |
|
閥 瓣 |
鑄鋼、不銹鋼、襯F46、F3 |
|
墊 圈 |
F4 |
三、H42F襯氟立式止回閥技術(shù)規(guī)范：
|
設(shè)計(jì)標(biāo)準(zhǔn) |
GB12224 |
|
結(jié)構(gòu)長度 |
GB12221 |
|
法蘭標(biāo)準(zhǔn) |
JB/T79-94 |
|
GB9113.1-26 |
|
|
檢驗(yàn)試驗(yàn) |
GB/T13927 |
四、H42F襯氟立式止回閥連接尺寸：
|
公稱通徑 |
標(biāo)準(zhǔn)值 |
參考值 |
|||||||
|
DN |
NPS |
L |
D |
D1 |
D2 |
f |
b |
Z-Φd |
WT(Kg) |
|
PN0.6MPa |
|||||||||
|
15 |
1/2 |
80 |
80 |
55 |
40 |
2 |
12 |
4-Φ14 |
2.5 |
|
20 |
3/4 |
90 |
90 |
65 |
50 |
2 |
14 |
4-Φ14 |
3.5 |
|
25 |
1 |
100 |
100 |
75 |
60 |
2 |
14 |
4-Φ14 |
4 |
|
32 |
11/4 |
110 |
120 |
90 |
70 |
2 |
16 |
4-Φ18 |
5 |
|
40 |
11/2 |
125 |
130 |
100 |
80 |
3 |
16 |
4-Φ18 |
6 |
|
50 |
2 |
140 |
140 |
110 |
90 |
3 |
16 |
4-Φ18 |
8 |
|
65 |
21/2 |
160 |
160 |
130 |
110 |
3 |
16 |
4-Φ18 |
10 |
|
80 |
3 |
185 |
185 |
150 |
125 |
3 |
18 |
8-Φ18 |
13 |
|
100 |
4 |
210 |
205 |
170 |
145 |
3 |
18 |
8-Φ18 |
25 |
|
150 |
6 |
300 |
260 |
225 |
200 |
3 |
20 |
8-Φ23 |
46 |
|
200 |
8 |
380 |
315 |
280 |
255 |
3 |
22 |
12-Φ23 |
100 |
|
250 |
10 |
356 |
370 |
335 |
310 |
3 |
24 |
12-Φ23 |
155 |
|
300 |
12 |
457 |
435 |
395 |
362 |
4 |
24 |
12-Φ23 |
180 |
|
350 |
14 |
533 |
485 |
445 |
412 |
4 |
26 |
16-Φ23 |
220 |
|
400 |
16 |
572 |
535 |
495 |
462 |
4 |
28 |
16-Φ23 |
275 |
|
450 |
18 |
610 |
590 |
550 |
518 |
4 |
28 |
16-Φ23 |
300 |
|
500 |
20 |
610 |
640 |
600 |
568 |
4 |
30 |
16-Φ23 |
392 |
|
PN1.0MPa |
|||||||||
|
15 |
1/2 |
80 |
95 |
65 |
45 |
2 |
14 |
4-Ф14 |
2.5 |
|
20 |
3/4 |
90 |
105 |
75 |
55 |
2 |
16 |
4-Ф14 |
3.5 |
|
25 |
1 |
100 |
115 |
85 |
65 |
2 |
16 |
4-Ф14 |
4 |
|
32 |
11/4 |
110 |
135 |
100 |
78 |
2 |
18 |
4-Ф18 |
5 |
|
40 |
11/2 |
125 |
145 |
110 |
85 |
3 |
18 |
4-Ф18 |
6 |
|
50 |
2 |
140 |
160 |
125 |
100 |
3 |
20 |
4-Ф18 |
8 |
|
65 |
21/2 |
160 |
180 |
145 |
120 |
3 |
20 |
4-Ф18 |
10 |
|
80 |
3 |
185 |
195 |
160 |
135 |
3 |
22 |
4-Ф18 |
13 |
|
100 |
4 |
210 |
215 |
180 |
155 |
3 |
22 |
8-Ф18 |
25 |
|
150 |
6 |
300 |
280 |
240 |
210 |
3 |
24 |
8-Ф23 |
46 |
|
200 |
8 |
380 |
335 |
295 |
265 |
3 |
26 |
8-Ф23 |
100 |
|
250 |
10 |
356 |
390 |
350 |
320 |
3 |
28 |
12-Ф23 |
155 |
|
300 |
12 |
457 |
440 |
400 |
368 |
4 |
28 |
12-Ф23 |
180 |
|
350 |
14 |
533 |
500 |
460 |
428 |
4 |
30 |
16-Ф23 |
220 |
|
400 |
16 |
572 |
565 |
515 |
482 |
4 |
32 |
16-Ф25 |
275 |
|
450 |
18 |
610 |
615 |
565 |
532 |
4 |
32 |
20-Ф25 |
300 |
|
500 |
20 |
610 |
670 |
620 |
585 |
4 |
34 |
20-Ф25 |
392 |
|
PN1.6MPa |
|||||||||
|
15 |
1/2 |
80 |
95 |
65 |
45 |
2 |
14 |
4-Ф14 |
2.5 |
|
20 |
3/4 |
90 |
105 |
75 |
55 |
2 |
16 |
4-Ф14 |
3.5 |
|
25 |
1 |
100 |
115 |
85 |
65 |
2 |
16 |
4-Ф14 |
4 |
|
32 |
11/4 |
110 |
135 |
100 |
78 |
2 |
18 |
4-Ф18 |
5 |
|
40 |
11/2 |
125 |
145 |
110 |
85 |
3 |
18 |
4-Ф18 |
6 |
|
50 |
2 |
140 |
160 |
125 |
100 |
3 |
20 |
4-Ф18 |
8 |
|
65 |
21/2 |
160 |
180 |
145 |
120 |
3 |
20 |
4-Ф18 |
10 |
|
80 |
3 |
185 |
195 |
160 |
135 |
3 |
22 |
8-Ф18 |
13.5 |
|
100 |
4 |
210 |
215 |
180 |
155 |
3 |
24 |
8-Ф18 |
28.5 |
|
150 |
6 |
300 |
280 |
240 |
210 |
3 |
28 |
8-Ф23 |
48 |
|
200 |
8 |
380 |
335 |
295 |
265 |
3 |
30 |
12-Ф23 |
105 |
|
250 |
10 |
356 |
405 |
355 |
320 |
3 |
32 |
12-Ф25 |
165 |
|
300 |
12 |
457 |
460 |
410 |
375 |
4 |
34 |
12-Ф25 |
195 |
|
350 |
14 |
533 |
520 |
470 |
435 |
4 |
38 |
16-Ф25 |
238 |
|
400 |
16 |
572 |
580 |
525 |
485 |
4 |
40 |
16-Ф30 |
295 |