High Pressure Ball Valves
Product Description
Gate valves are primarily designed to start or stop the flow, and when a straight-line flow of fluid and minimum flow restrictions are needed. In service, these valves generally are either fully open or fully closed.
The disk of a Gate valve is completely removed when the valve is fully open; the disk is fully drawn up into the valve Bonnet. This leaves an opening for flow through the valve at the same inside diameter as the pipe system in which the valve is installed. A Gate valve can be used for a wide range of liquids and provides a tight seal when closed
Typical Applications
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oil
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gas industry
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pharmaceuticals
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manufacturing
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automotive
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marine
Weldability
Good
Types of relief valves
By wedge: parallel gate valves and wedge gate valves
By seat: metal seat or resilient seated gate valves
By stem: with rising or non-rising stem.
Related material specifications
Availability
SS 316, SS 304, SS 316 TI, COPPER, BRASS, DUPLEX, CS, INCONEL, SUPER DUPLEX, HASTELLOY, MONEL, ALLOY 20, SMO 254, 904L, TITANIUM & ALL OTHER ALLOYS
Cut to size capability
We can cut from one off blanks to the largest production run for immediate or just in time deliveries.
Key features
The overall size and opening height are larger, and the space for installation is also larger During opening and closing, the friction and abrasion of the sealing surface are larger. What’s more, at a high temperature is easy to cause the phenomenon of abrasions Generally the gate valves have two sealing surfaces, which increases the difficulties for the processing, grinding, and maintenance
It takes a longer time to open and close. Can be used in the medium to flow in two directions of the ring network pipeline, that is to say, the flow direction of the medium is not limited
When fully open, the sealing surface is less eroded by the working medium than the globe valve;
The structural length is relatively short.
Corrosion Resistance
Very Good
Machinability
Good / fair.
Chemical Composition (weight %)
Grade | C | Mn | Si | S | Cu | Fe | Ni |
200 | 0.15 max | 0.35 max | 0.35 max | 0.01 max | 0.25 max | 0.40 max | 99.0 min |