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https://www.zhengfengvalve.com/products/ductile-iron-gate-valve/

Features of ductile iron sluice valve
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Visual valve switch easily;
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Quick opening and closing, light torque;
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Brass nut wear-resistant, long switch life;
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Fully covered with EPDM disc, resistant to corrosion.
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Ductile rising spindle gate valve Working Principle

Turn the handwheel to open and close the valve disc connected with the stem through the thread of the handwheel and the stem.
Ductile Iron Gate Valve Installation and Commissioning

This valve is usually placed in a higher position from the ground. Pay attention to the installation space in use. When opened, the stem will rise a certain distance. For specific use, please consult ZECO Valve Group.
Ductile Iron Gate Valve Material and Standard
Size Range: 2"~24"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2
PartMaterialStandard
BodyDuctile IronEN 1563/DIN 1693
BonnetDuctile IronEN 1563/DIN 1693
StemStainless Steel 431EN10088-1/ASTM A959
WedgeDuctile Iron + EPDM / NBREN 1563/ISO 4633
NutCuZn39Pb1 / C37000EN12167/ASTM B135
HandwheelDuctile IronEN 1563/DIN 1693
For the materials options not listed, consult factory.
ZECO manufactures valves in more than 50 different alloys.

As a valve manufacturer. We provide building water shut off valve, water valve, rising stem gate valve, fm gate valve, etc. Contact us to know more.