Applications and specifications
This dry ash gate valve is described by the source as a patented design with flexible operation and long service life. It serves as an on/off device in pneumatic conveying systems for dry ash, fly ash and cement, including thermal power plant applications.
Performance specifications
|
Model |
Nominal pressure |
Sealing test pressure |
Strength test pressure |
Operating temperature |
Applicable media |
|
944 |
0.6 |
0.66 |
0.9 |
≤120℃ |
Particles or powder mixed with air |
|
944 |
1.0 |
1.1 |
1.5 |
||
|
944 |
1.6 |
1.76 |
2.4 |
||
|
944 |
2.5 |
2.75 |
3.75 |
Main component materials
|
Component |
Material |
|||
|
6C |
10C |
16C |
25 |
|
|
Body |
WCB |
|||
|
Bonnet |
WCB |
|||
|
Gate |
2Cr13 or 1Cr18Ni9Ti; ZG230-450 with wear-resistant hardfacing |
|||
|
Stem |
2Cr13 or 1Cr18Ni9Ti |
|||
|
Pneumatic cylinder |
National standard |
|||
|
Seat |
2Cr13 |
|||
Main connection dimensions:
|
Nominal pressure |
Nominal diameter |
Dimensions (mm) |
||||
|
L |
D |
K |
d |
n-M/n-d0 |
||
|
0.6 |
50 |
108/250 |
140 |
110 |
88 |
4-M12/4-φ14 |
|
65 |
112/270 |
160 |
130 |
108 |
4-M12/4-φ14 |
|
|
80 |
114/280 |
190 |
150 |
124 |
4-M16/4-φ18 |
|
|
100 |
127/300 |
210 |
170 |
144 |
4-M16/4-φ18 |
|
|
125 |
140/325 |
240 |
200 |
174 |
8-M16/8-φ18 |
|
|
150 |
140/350 |
265 |
225 |
199 |
8-M16/8-φ18 |
|
|
200 |
152/400 |
320 |
280 |
254 |
8-M16/8-φ18 |
|
|
250 |
165/450 |
375 |
335 |
309 |
12-M16/12-φ18 |
|
|
300 |
178/500 |
440 |
395 |
363 |
12-M20/12-φ22 |
|
|
1.0 |
50 |
108/250 |
165 |
125 |
99 |
4-M16/4-φ18 |
|
65 |
112/270 |
185 |
145 |
118 |
4-M16/4-φ18 |
|
|
80 |
114/280 |
200 |
160 |
132 |
8-M16/8-φ18 |
|
|
100 |
127/300 |
220 |
180 |
156 |
8-M16/8-φ18 |
|
|
125 |
140/325 |
250 |
210 |
184 |
8-M16/8-φ18 |
|
|
150 |
140/350 |
285 |
240 |
211 |
8-M20/8-φ22 |
|
|
200 |
152/400 |
340 |
295 |
266 |
8-M20/8-φ22 |
|
|
250 |
165/450 |
395 |
350 |
319 |
12-M20/12-φ22 |
|
|
300 |
178/500 |
445 |
400 |
370 |
12-M20/12-φ22 |
|
|
1.6 |
50 |
108/250 |
165 |
125 |
99 |
4-M16/4-φ18 |
|
65 |
112/270 |
185 |
145 |
118 |
4-M16/4-φ18 |
|
|
80 |
114/280 |
200 |
160 |
132 |
8-M16/8-φ18 |
|
|
100 |
127/300 |
220 |
180 |
156 |
8-M16/8-φ18 |
|
|
125 |
140/325 |
250 |
210 |
184 |
8-M16/8-φ18 |
|
|
150 |
140/350 |
285 |
240 |
211 |
8-M20/8-φ22 |
|
|
200 |
152/400 |
340 |
295 |
266 |
12-M20/12-φ22 |
|
|
250 |
165/450 |
405 |
355 |
319 |
12-M26/12-φ28 |
|
|
300 |
178/500 |
460 |
410 |
370 |
12-M26/12-φ28 |
|
|
2.5 |
50 |
108/250 |
165 |
125 |
99 |
4-M16/4-φ18 |
|
65 |
112/270 |
185 |
145 |
118 |
8-M16/8-φ18 |
|
|
80 |
114/280 |
200 |
160 |
132 |
8-M16/8-φ18 |
|
|
100 |
127/300 |
235 |
190 |
156 |
8-M20/8-φ22 |
|
|
125 |
140/325 |
270 |
220 |
184 |
8-M24/8-φ26 |
|
|
150 |
140/350 |
300 |
250 |
211 |
8-M24/8-φ26 |
|
|
200 |
152/400 |
360 |
310 |
274 |
12-M24/12-φ26 |
|
|
250 |
165/450 |
425 |
370 |
330 |
12-M27/12-φ30 |
|
|
300 |
178/500 |
485 |
430 |
389 |
16-M27/16-φ30 |
|
Note: the first value is for the short pattern and the second for the long pattern.
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