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| Driven By: | Worm Gear, Electric | Structure: | Metal Seated |
|---|---|---|---|
| Body Material: | A105,LCB | Bore: | Reduced Bore |
| Seal Face: | Stellite, Hard Face | Working Temperature: | -25℃~540℃ |
| Media: | Water,Gas,Oil,Steam | ||
| High Light: | flanged end ball valve,v port ball valve |
||
High Temperatue High Corrosion Gear Operated Metal Seated Ball Valve With Flange
QUICK INFO
| Design | ASME B16.34/API 6D |
| Face to face | ASME B16.10 |
| End Flange | ASME B16.5 |
| BW End | ASME B16.25 |
| Test | API 598 |
| Fire Safe Test | API 607/API6Fa |
| Special | NACE MR-01-75 |
FEATURES:
l Off-center split body design allows the use of advanced spiral wound gaskets.
l Full port ensures large capacity and reduces the risk of clogging when handling solids or slurries.
l All valves with graphite packing and backup seal are inherently fire safe.
l Ball and seats lapped for optimum performance and tight shutoff.
l Anti-blowout stem.
SOFT SEATED VS METAL SEATED
When selecting a ball valve, you’re faced with a myriad of options. Materials of construction, the proper size, and the right design (1, 2, or 3 pieces, V-port, double block and bleed, etc.) are all critical pieces to the puzzle. Just as important is the seat type you’ll select.
Completely understanding your process conditions is the first step to selecting a seat for your valve. Will the fluid be corrosive? Contain abrasive particulate? Be at high temperatures or pressures? Require bubble-tight shut-off? Once you know these things, the choice is clear.
Soft Seated Ball Valves
Soft seats are generally made of thermoplastic materials like PTFE. They’re great for applications where chemical compatibility is important, and where the tightest seal is key.
However, soft seats are not recommended for process fluids that are dirty, or abrasive. Soft seats can break down in these conditions, causing the valve to leak.
Metal Seated Ball Valves
The primary advantage of metal seated valves over soft seated valves is their ability to withstand high temperatures and severe service conditions. Metal seats can endure severe flashing, hydraulic shock, abrasive process fluid, and high temperatures up to and exceeding 1,000° F. They are also ideal for high erosion or corrosion applications.
Metal seats can be hardened by coatings like ultrasonic spray coating, satellite hard facing, chromium carbide and tungsten carbide.
Contact Person: sales
Tel: +8613660157288
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