【H44不锈钢旋启式止回阀产品用途】
H44H、H44Y 型 PN16~PN64国标不锈钢旋启式止回阀适用于压力 1.6~25MPa 工作温度 -29~+550℃ 的石油、化工、制药、化肥、电力行业等各种工况的管路上,适用介质为水、油品、蒸汽、酸性介质等。
H44H-16P不锈钢旋启式止回阀主要外形和连接尺寸

| 公称通径 DN |
主要外形尺寸和连接尺寸 |
| L |
D |
D1 |
D2 |
b |
Z-d |
H |
| H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I |
| 25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
100 |
| 32 |
180 |
135 |
100 |
78 |
16 |
4-18 |
105 |
| 40 |
200 |
145 |
100 |
85 |
16 |
4-18 |
115 |
| 50 |
230 |
160 |
125 |
100 |
16 |
4-18 |
135 |
| 65 |
290 |
180 |
145 |
120 |
18 |
4-18 |
142 |
| 80 |
310 |
195 |
160 |
135 |
20 |
8-18 |
165 |
| 100 |
350 |
215 |
180 |
155 |
20 |
8-18 |
180 |
| 125 |
400 |
245 |
210 |
185 |
22 |
8-18 |
210 |
| 150 |
480 |
280 |
240 |
210 |
24 |
8-23 |
233 |
| 200 |
500 |
335 |
295 |
265 |
26 |
12-23 |
304 |
| 250 |
550 |
405 |
355 |
320 |
30 |
12-25 |
348 |
| 300 |
650 |
460 |
410 |
375 |
30 |
12-25 |
390 |
| 350 |
750 |
520 |
470 |
435 |
34 |
16-25 |
430 |
| 400 |
850 |
580 |
525 |
485 |
36 |
16-30 |
468 |
|
H44H-25P不锈钢旋启式止回阀 |
| 25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
100 |
| 32 |
180 |
135 |
100 |
78 |
16 |
4-18 |
105 |
| 40 |
200 |
145 |
110 |
85 |
16 |
4-18 |
115 |
| 50 |
230 |
160 |
125 |
100 |
20 |
4-18 |
160 |
| 65 |
290 |
180 |
145 |
120 |
22 |
8-18 |
175 |
| 80 |
310 |
195 |
160 |
135 |
22 |
8-18 |
185 |
| 100 |
350 |
230 |
190 |
160 |
24 |
8-23 |
220 |
| 125 |
400 |
270 |
220 |
188 |
28 |
8-25 |
248 |
| 150 |
480 |
300 |
250 |
218 |
30 |
8-25 |
276 |
| 200 |
550 |
360 |
310 |
278 |
34 |
12-25 |
350 |
| 250 |
650 |
425 |
370 |
332 |
36 |
12-30 |
410 |
| 300 |
750 |
485 |
430 |
390 |
40 |
16-30 |
430 |
| 350 |
850 |
550 |
490 |
448 |
44 |
16-34 |
518 |
| 400 |
950 |
610 |
550 |
505 |
48 |
16-34 |
560 |