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Stainless Steel Insulated Stop Valve
Description
Insulated stop valve, mainly used in petroleum, chemical, metallurgical, pharmaceutical and other types of systems to transport high viscosity media will solidify at room temperature, DC jacketed insulation stop valve insulation jacket welded to the valve between the two flanges, the valve's side, the bottom of the two connections set up with the insulation jacket port. DC insulation disconnecting valve is especially suitable for chemical industry, fertilizer industry pipeline, the jacket connotation into the steam can prevent the media crystallization.
1、Simple structure, manufacturing and maintenance is relatively convenient;.
2、Small working stroke, short opening and closing time.
3、Good sealing, small friction between sealing surfaces, long life.
4、Suitable for larger viscosity, easy to coking medium.
Features
The opening and closing parts of the insulated globe valve is a plug-shaped valve flap, the sealing surface is flat or conical, the valve flap along the center line of the fluid for linear movement. Stem movement form, there are lifting stem type (stem lift, handwheel does not lift), there are also lifting rotating stem type (handwheel and stem with rotating lifting, nut is located in the valve body). Globe valve is only suitable for full open and full close, not allowed for regulation and throttling.
|
Nominal Preasure PN(MPa) |
Test Pressure |
Applicable temperature |
Applicable medium |
Insulation sleeve pressure (MPa) |
|
|
clamshell |
seal up |
||||
|
2.5 |
3.75 |
2.75 |
≤200 |
nitrate |
≤1.0 |
|
4.0 |
6.0 |
4.4 |
|||
|
6.4 |
9.0 |
6.6 |
|||
|
2.5 |
3.75 |
2.75 |
nitrate |
||
|
4.0 |
3.0 |
4.4 |
|||
|
6.4 |
9.0 |
6.6 |
|||
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