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Product name： | ZZDQ Nitrogen sealing device | |||||
| specification： |   Zoom in on the image |
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| Category： | Pump valve fittings -- control valve | ||||||
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Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
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Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
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| Technical parameters and performance | |||||
| valve body | |||||
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Nominal Diameter |
Dn25、32、40、50、65、80、100mm | ||||
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Nominal Pressure |
PN1.0MPa | ||||
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Flange Standard |
JB/T79.1-94、 79.2-94, etc | ||||
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Valve body material |
Cast iron (HT200), cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti) | ||||
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Valve core material |
hard seal |
Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti) | |||
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soft seal |
Stainless steel embedded rubber ring | ||||
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Valve stem material |
Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti) | ||||
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flow characteristics |
Quick open | ||||
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Operating temperature |
≤80℃ | ||||
ZZDQ nitrogen sealing device
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