Underground Square Head Gate Valve
Purpose
This valve is mounted on various pipelines and used as a bi-way closed circuit equipment for tap water, sewage treatment etc, industries.
Features
- Reasonable structure, easy use and repair, of all the advantages available with a resilient seat gate valve.
- A magnetic locker is added to the original resilient seat gate valve, which is operable only with a special handwheel or handle, thus effectively preventing the valve from open-close by non-managing people.
- Screwed connection type CSZ15X.
- Flange connection type CSZ45X.
Executive Standard
- Flange standard: GB/T17241.6.
- Test and inspection: GB/T13927.
Performance Range
|
PN |
1.0 |
1.6 |
MPa |
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Strength Test |
1.5 |
2.4 |
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Sealing Test |
1.1 |
1.76 |
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Applicable Temperature |
≤100 |
°C |
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Medium Used |
Water, Sewage, etc. |
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Main Part Materials
|
Title of parts |
Material |
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|
Stem |
Stainless steel |
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O-seal ring |
NBR |
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Bonnet |
Ductile iron |
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Stem nut |
Copper alloy |
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|
Gate |
Rubber lined ductile iron |
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Body |
Ductile iron |
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Divided ring |
Copper alloy |
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Code lock |
Stainless steel, copper |
Main dimensions
|
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
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|
CSZ15X |
H |
80 |
89 |
93 |
130 |
130 |
148 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
L |
65 |
70 |
80 |
100 |
100 |
110 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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|
CSZ45X |
H |
- |
- |
- |
- |
- |
220 |
245 |
300 |
315 |
340 |
420 |
540 |
646 |
735 |
894 |
948 |
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|
L |
- |
- |
- |
- |
- |
178 |
190 |
203 |
229 |
254 |
267 |
292 |
330 |
356 |
381 |
406 |
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|
D0 |
- |
- |
- |
- |
- |
160 |
160 |
200 |
200 |
225 |
280 |
330 |
385 |
385 |
450 |
450 |
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