Two-way cast iron is widely used for pipelines to connect or cut off medium in petroleum, gas, electricity, chemical industry, etc. Plug valve uses plus as its close member. Rotating plug can open or close valve.
Advantages:
1. Having low fluid resistance.
2. Compact structure, low volume, light weight.
3. Good sealing
4. Without limitation of flow direction.
5. Without vibration.
Performance
|
Nominal Pressure |
Testing Pressure PS(MPa) |
Applicable Medium |
Working Temperature |
|
|
Shell |
Sealing |
|||
|
10 |
1.5 |
1.1 |
Gas, oil |
≤100 |
Materials
|
Body |
Plug |
Packing Gland |
Packing |
|
Cast iron |
Cast iron |
Cast iron |
Flexible graphite |
Dimensions
|
Nominal Diameter DN(mm) |
Dimension (mm) |
|||||||||
|
L |
D |
D1 |
D2 |
f |
b |
z-Φd |
□s |
h |
H |
|
|
15 |
80 |
95 |
65 |
45 |
2 |
14 |
4-φ14 |
14 |
26 |
95 |
|
20 |
90 |
105 |
75 |
55 |
2 |
16 |
4-φ14 |
14 |
34 |
124 |
|
25 |
110 |
115 |
85 |
65 |
2 |
16 |
4-φ14 |
17 |
38 |
133 |
|
32 |
115 |
135 |
100 |
78 |
2 |
18 |
4-φ18 |
18 |
45 |
152 |
|
40 |
150 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
26 |
55 |
212 |
|
50 |
170 |
160 |
125 |
100 |
3 |
20 |
4-φ18 |
28 |
74 |
260 |
|
65 |
220 |
180 |
145 |
120 |
3 |
20 |
4-φ18 |
32 |
82 |
295 |
|
80 |
250 |
195 |
160 |
135 |
3 |
22 |
4-φ18 |
40 |
95 |
327 |
|
100 |
300 |
215 |
180 |
155 |
3 |
26 |
8-φ18 |
45 |
135 |
425 |
|
125 |
350 |
245 |
210 |
185 |
3 |
24 |
8-φ18 |
54 |
154 |
482 |
|
150 |
400 |
280 |
240 |
210 |
3 |
24 |
8-φ23 |
62 |
172 |
512 |
|
200 |
450 |
335 |
295 |
265 |
3 |
24 |
8-φ23 |
75 |
195 |
605 |
|
250 |
530 |
390 |
350 |
320 |
3 |
28 |
12-φ23 |
85 |
230 |
660 |
|
300 |
580 |
440 |
400 |
368 |
4 |
30 |
12-φ23 |
100 |
263 |
760 |