Resilient Gate Valve for Underground

Basic information of Resilient Gate Valve for Underground
This valve is used as a two-way closed circuit device. Dof960 series of cases
Features of Resilient Gate Valve for Underground
1. No need for sluice Wells, which reduces the amount of installation work;
2.  Does not affect the traffic, and underground parts of the integration, effectively prevent theft;
3. Stem has a special extendable structure, which can effectively prevent the ground from sinking;
4. Long life, no internal leakage.

Principle of Resilient Gate Valve for Underground
This valve uses the form of pin coupling to transfer the sensor force existing in the gearbox and transmission shaft buried in the ground. The telescopic drive rod is extended until it is installed in the underground bonnet. This layout and approach ensure that work is done properly and efficiently.
Installation and Commissioning of Resilient Gate Valve for Underground
Connect the underground gate valve  with the water supply pipe, extend the expansion drive rod to the set height, tighten the expansion limit device to maintain the extension height, backfill the pipe groove, tamp and make cement pier foundation, put the valve box plate on the cement foundation, place the valve box cover, lay the road surface and make the valve box cover equal to the road surface. For specific use, please consult ZECO Valve Group.

Part Material Standard
Body Ductile Iron EN 1563/DIN 1693
Bonnet Ductile Iron EN 1563/DIN 1693
Stem Stainless Steel 431 EN10088-1/ASTM A959
Wedge Ductile Iron + EPDM / NBR EN 1563/ISO 4633
Nut CuZn39Pb1 / C37000 EN12167/ASTM B135
Box Ductile Iron EN 1563/DIN 1693
For the materials options not listed, consult factory.
ZECO manufactures valves in more than 50 different alloys.
Product scope, Standards & Materials of Resilient Gate Valve for Underground
Size Range: 2"~12"
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

Zhengfeng Valve Group Co., Ltd. is a professional china gate valve manufacturer. We provide Control Valve, Balancing Valve, underground butterfly valve and so on. Want to know about gate valve chamber? Please contact us.