產(chǎn)品名稱:升降式止回閥
產(chǎn)品型號:H42Y/W
產(chǎn)品特點:
H42Y、H42W升降立式止回閥正常處于關(guān)閉狀態(tài),由于管線中進(jìn)口端介質(zhì)的壓力作用,而克服彈簧阻力使閥門開啟。當(dāng)進(jìn)口端介質(zhì)壓力低于出口端時,彈簧將閥芯推向閥座而使閥門關(guān)閉,阻止介質(zhì)逆流,故起止回作用
升降式止回閥主要外形尺寸:
公稱壓力 PN |
DN |
D0 |
D |
DI |
Md |
Z-D |
H |
b |
重量 (㎏) |
16.0MPa |
15 |
15 |
95 |
60 |
M24×2 |
3-18 |
240 |
20 |
5.5 |
25 |
23 |
105 |
68 |
M33×2 |
3-18 |
262 |
20 |
7.5 |
|
32 |
29 |
115 |
80 |
M42×2 |
4-18 |
285 |
22 |
10 |
|
40 |
39 |
165 |
115 |
M52×2 |
6-26 |
285 |
28 |
19.5 |
|
32.0MPa |
10 |
11 |
95 |
60 |
M24×2 |
3-18 |
234 |
20 |
5.5 |
15 |
17 |
105 |
68 |
M33×2 |
3-18 |
240 |
20 |
6 |
|
25 |
23 |
115 |
80 |
M42×2 |
4-18 |
262 |
22 |
8.5 |
|
32 |
29 |
135 |
95 |
M48×2 |
4-22 |
285 |
25 |
12 |
|
40 |
42 |
165 |
115 |
M64×2 |
6-26 |
316 |
32 |
21 |