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APPLIATION AND STRUCTURE
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 It is specially suitaeel
for oil products,air(duct pipe),smoke ��(flue pipe),steam,hot water in
such industrics as������ ��petrochemaical industry,power,metallurgy,light
industry,�� ��environmental, protection and city heat supply. |
| Both the valve plate
and sealing units adopt the structure of ��metal U-sgaped elastic valve
seat and three-eccentric valve� ��plate. |
| ZSSWY SERIES PNEUMATIC
HARD SEALING SEALING BUTTERFLY VALVES |
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FEATURES
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The hard sealing meal
U-shaped elastic valve seat is of���� ��floating type, which can adjust
the center automatically. |
| The valve plate is
of elliptic type,three-eccentric structure, ��the sealing surface of conicalness
overlay the hard alloy. |
| The valve plate has
cone polishing edge,enable 360°����� ��circumference concentriced with
val ve seat. |
| SERIES ZSSWY PNEUMATIC SOFT SEALING
BUTTERFLY VALVES |
It is fitted with
fluorine rubber elastic ring at the external ��of soft sealing valve seat
to help seal the valve plate with ��the valve seat at the whole circumference,
thus achieoing a� ��good sealing effect. |
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COMMON VALVE MATERIALS
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Valve body
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ZG230-450
ZG1Cr18nI9
ZG0Cr17Ni12Mo2
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Valve seat
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Polytetrafluoroethylene
2Cr13
OCr17Ni12Mo2
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Bushing
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ZCuSn5Pb5Zn
1Cr18Ni9 nitrogen treatment
0Cr17Ni12Mo2 nitrogen treatment
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Shaft
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2Cr13
ZG0Cr17Ni12Mo2
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Stuffing
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Polytetrafluoroethylene
Flexible graphite,asbestos tape
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| ZKRWY SERIES ELECTRONIC
ELECTELC HARD SEALING BUTTERFLY VALVES |
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| SERIES HWY
PNEUMATIC SHARD SEALING BUTTERFLY VALVES |
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