Wholesale Price China High Pressure Stainless Steel Female Needle Valve in Malawi
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High Pressure Stainless Steel Female and Male Needle Valve
Size:1/2 -2 NPT, FxF, MxM
Pressure: High Pressure
Standard: JIS, BS, API, DIN
Material: 304, 316, Brass, Bronze, A105
Media: Water, Oil, Gas, Acid
Media Temperature: High Temperature
Work Pressure: High Pressure (3000PSI, 6000PSI, 100000PSI)
Material of Seal Surface: packing Seal
Connection Form: NPT / BSPT / PT /RC
Structure: Centre Sealing
Seat Material: PTFE / Nylon/ Graphite
PTFE packing -38
This video gives you an idea of how a wafer butterfly valve is installed in line. You can see the valve clamped between two flanges. These are 80mm valves but the principal is the same for all wafer butterfly valves. For more information see www.valvesonline.com.au
Step by step instructions for installing a backflow preventer.
Our city recently informed us that all sprinkler systems where we live would now be required to have backflow prevention. This video shows the steps I took to install a backflow preventer at my home. This video is another in a continuing series on basic home maintenance. Parts used in video are annotated.