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PZ73 Manual Maintenance Valve
Applicable media: Syrup, pulp, sewage, coal slurry and ash, and slag-water mixtures.
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PZ73 Manual Maintenance Valve
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Main performance range
|
Nominal pressure (MPa) |
Test pressure (MPa) |
Operating temperature (℃) |
Applicable medium |
|
|
Housing |
Sealed |
|||
|
1.0 |
1.5 |
1.1 |
Rubber ≤ 80℃ |
Syrup, pulp, sewage, coal slurry ash, and slag-water mixture |
|
1.6 |
2.4 |
1.8 |
≤425℃ |
|
Main component materials and names
|
Body, cover |
Gate valve |
Valve stem |
Sealing surface |
|
Stainless steel, carbon steel |
Carbon steel, stainless steel |
Stainless steel |
Rubber, PTFE stainless steel, hard alloy |
Main external dimensions and connection sizes
|
Nominal pressure PN (MPa) |
DN |
L |
D |
D1 |
D2 |
H |
n-M |
D0 |
|
1.0 |
50 |
48 |
160 |
125 |
100 |
285 |
4-M16 |
180 |
|
65 |
48 |
180 |
145 |
120 |
298 |
4-M16 |
180 |
|
|
80 |
50 |
195 |
160 |
135 |
315 |
8-M16 |
220 |
|
|
100 |
50 |
215 |
180 |
155 |
365 |
8-M16 |
220 |
|
|
125 |
52 |
245 |
210 |
185 |
400 |
8-M16 |
230 |
|
|
150 |
57 |
280 |
240 |
210 |
475 |
8-M20 |
280 |
|
|
200 |
60 |
335 |
295 |
265 |
540 |
8-M20 |
360 |
|
|
250 |
70 |
390 |
350 |
320 |
630 |
12-M20 |
360 |
|
|
300 |
76 |
440 |
400 |
368 |
780 |
12-M20 |
400 |
|
|
350 |
89 |
500 |
460 |
428 |
885 |
16-M20 |
400 |
|
|
400 |
98 |
565 |
515 |
482 |
990 |
16-M22 |
400 |
|
|
450 |
110 |
615 |
565 |
532 |
1100 |
20-M22 |
530 |
|
|
500 |
114 |
670 |
620 |
585 |
1200 |
20-M22 |
530 |
|
|
600 |
114 |
780 |
725 |
685 |
1450 |
20-M27 |
600 |
|
|
1.6 |
50 |
48 |
160 |
125 |
100 |
285 |
4-M16 |
180 |
|
65 |
48 |
185 |
145 |
120 |
295 |
4-M16 |
180 |
|
|
80 |
50 |
200 |
160 |
135 |
315 |
8-M16 |
220 |
|
|
100 |
50 |
220 |
180 |
155 |
365 |
8-M16 |
220 |
|
|
125 |
52 |
250 |
210 |
185 |
400 |
8-M16 |
230 |
|
|
150 |
57 |
285 |
240 |
210 |
475 |
8-M20 |
280 |
|
|
200 |
60 |
340 |
295 |
265 |
540 |
12-M20 |
360 |
|
|
250 |
70 |
405 |
355 |
320 |
630 |
12-M22 |
360 |
|
|
300 |
76 |
460 |
410 |
375 |
780 |
12-M22 |
400 |
|
|
350 |
89 |
520 |
470 |
435 |
885 |
16-M22 |
400 |
|
|
400 |
98 |
580 |
525 |
485 |
990 |
16-M27 |
400 |
|
|
450 |
110 |
640 |
585 |
545 |
1100 |
20-M27 |
530 |
|
|
500 |
114 |
715 |
650 |
608 |
1200 |
20-M30 |
530 |
|
|
600 |
114 |
840 |
770 |
718 |
1450 |
20-M36 |
600 |
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