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Vatac Cast Carbon Steel Screw Down Non-Return Valve
Vatac Cast Carbon Steel Screw Down Non-Return Valve is a kind of multi-purpose valve both with stop and check valves function. Its
structure is similar to globe valve, but the valve stem is not fixed connection
with the disc. When the stem falls on the seat, it can cut the fluid; after the
stem raises, it can be regards as check valve. When you need to install globe
valve and check valve at the same time, you can just use a Screw Down
Non-Return Valve to save installation costs and space location .
The Cast Carbon Steel Screw Down Non-Return Valve use a combination of deformed flexible graphite and intergraded graphite in a predetermined arrangement to ensure an effective seal. Graphite packing achieves its maximum ability to isolate the atmosphere when it is contained within a chamber that is precise in finish and dimension.
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