|
| 止回阀系列 |
 |
|
遵循规范Follow the norms |
STANDARD |
|
设计与制造Design and Manufacturing |
GB 12235/GB 2236 |
|
结构长度length of the structure
|
GB 12221(长一短系列Long-short series） |
法兰尺寸
Flange size |
GB/T78、GB/T79(或按合同要求）Or according to the contract requirements) |
压力试验
Pressure Test |
GB/T 13927 |
| 标志logo |
GB 12220 |
| 供货Availability |
GB/T 12252 | |
 |
法兰连接止回阀(全衬里)Flanged Check Valve(full lining)
※设计与制造符合BS英国国家标准
※基本结构形式：旋启式、直通升降式
※公称压力PN0.6～1.6MPa
※公称通径DNl5～500mm
※基本型号H41F3 H41F46 H44F3 H44F46
※Design and manufacturing in line with national
Standards Of china
※basic structure:Weing, driect lift
※PN0.6～1.6MPa Nominal Pressure
※basic model H41F3 H41F46 H44F3 H44F46 |
主要零部件材料表Main components material list
|
序号
NO. |
零件名称
Patr Nname |
灰铸铁Cas:lron |
碳钢
Carbon steel |
不锈钢Stainless Steel |
超低碳不锈钢Extra-Low-Carbon Stainless Steel |
| Z |
C |
P |
R |
PL |
RL |
| 1 |
阀体、阀盖、阀瓣valve body、valve cover、valve |
HT250 |
WCB |
CF8 |
CFM8 |
CF3 |
CFM3 |
| 2 |
阀杆valve stem |
FEP(F46) PFA(可溶性聚四氟乙烯） PCTFE(F3) PO(聚烯烃） |
| 3 |
销轴Pin |
1Cr13/35 WCB 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M |
| 4 |
隔膜Diaphragm |
35 |
35 |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
主要连接尺寸及重量Main connection dimensions and weight
| 公称通径DN |
标准值standard value |
参考值value for referenec |
| DN(mm) |
NPS(inch) |
L |
D |
D1 |
D2 |
f |
b |
Z-①d |
D0 |
H |
重量（KG） |
| PN1.0MPa |
| 15 |
1/2 |
130 |
80 |
55 |
40 |
2 |
12 |
4-①12 |
105 |
55 |
4 |
| 20 |
3/4 |
150 |
90 |
65 |
50 |
2 |
14 |
4-①12 |
115 |
58 |
5 |
| 25 |
1 |
160 |
100 |
75 |
60 |
2 |
14 |
4-①12 |
128 |
60 |
6 |
| 32 |
1 1/4 |
180 |
120 |
90 |
70 |
2 |
16 |
4-①14 |
145 |
75 |
7 |
| 40 |
1 1/2 |
200 |
130 |
100 |
80 |
3 |
16 |
4-①14 |
160 |
82 |
8 |
| 50 |
2 |
230 |
140 |
110 |
90 |
3 |
16 |
4-①14 |
178 |
95 |
9 |
| 65 |
2 1/2 |
290 |
160 |
130 |
110 |
3 |
16 |
4-①14 |
205 |
105 |
10 |
| 80 |
3 |
310 |
185 |
150 |
125 |
3 |
18 |
4-①18 |
230 |
120 |
20 |
| 100 |
4 |
350 |
205 |
170 |
145 |
3 |
18 |
4-①18 |
255 |
135 |
30 |
| 125 |
5 |
400 |
235 |
200 |
175 |
3 |
20 |
8-①18 |
305 |
158 |
50 |
| 150 |
6 |
480 |
260 |
225 |
200 |
3 |
20 |
8-①18 |
345 |
180 |
65 |
| 200 |
8 |
495 |
315 |
280 |
255 |
3 |
22 |
8-①18 |
415 |
215 |
137 |
| 250 |
10 |
622 |
370 |
332 |
310 |
3 |
24 |
12-①18 |
490 |
240 |
150 |
| 300 |
12 |
698 |
435 |
395 |
362 |
4 |
24 |
12-①23 |
540 |
265 |
185 |
| 350 |
14 |
787 |
485 |
445 |
412 |
4 |
26 |
16-①23 |
585 |
300 |
215 |
| 400 |
16 |
914 |
535 |
495 |
462 |
4 |
28 |
16-①23 |
635 |
360 |
244 |
| 450 |
18 |
978 |
590 |
550 |
518 |
4 |
28 |
16-①23 |
680 |
385 |
276 |
| 500 |
20 |
978 |
640 |
600 |
568 |
4 |
30 |
16-①23 |
740 |
415 |
315 |
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