Class 600 High-Temp & High-Pressure Metal Seated Top Entry Ball Valve
Product Parameters
Valve Type |
Metal Seated Top Entry Trunnion Mounted Ball Valve |
Pressure Rating (Standard) |
ASME Class 600 |
Other Pressure Classes |
ASME Class 150 / 300 / 900 / 1500 / 2500 (on request, subject to design confirmation) |
Size Range |
2"–64" (DN50–DN1600), larger sizes on request |
Ball Design |
Trunnion Mounted |
Body Construction |
Forged body with bolted top cover (Top Entry) |
Sealing Design |
Double Block and Bleed (DBB) |
Seat Type |
Metal Seat (standard); Soft seat optional |
Seat Materials |
Metal Seat, PEEK, PCTFE (KEL-F), Devlon V |
Operating Temperature |
-29℃ to 425℃ (metal seated, depending on material selection) |
End Connection |
Flanged RF / RTJ |
Operation |
Worm Gear + Electric Actuator (dual-drive) |
Mounting Interface |
ISO 5211 direct mounting available |
Body Material (Standard) |
ASTM A216 WCB |
Optional Body Materials |
LCB, LCC, WC6, WC9, Stainless Steel, Duplex, Super Duplex, Nickel Alloys |
Design Standards |
API 6D, BS 5351, ASME B16.34 |
Fire-Safe Design |
Designed in accordance with API 607 / API 6FA |
Sealing Direction |
Bi-directional sealing |
Surface Coating |
Industrial epoxy coating (Yellow), color customizable |
Brand |
SLVCN |
Key Features
Dual-Drive Operation
Electric actuator for automation and worm gear for manual operation during emergencies, ensuring reliable control in all conditions.
Top Entry Design for Easy Maintenance
Allows in-line inspection and maintenance without removing the valve, reducing downtime and costs.
Forged Trunnion-Mounted Ball Design
Forged body and trunnion-mounted ball ensure stable pressure distribution, ideal for high-pressure, large-diameter applications.
Bi-Directional Tight Sealing with Stable Torque
Bi-directional sealing provides stable, low-torque operation, even under extreme pressure, ensuring leak-free performance.
Emergency Shutoff
Emergency sealing device ensures leak-free operation during critical situations, enhancing safety and quick response.
Corrosion Resistance and Versatile Sizing
Available in sizes from 2" to 64", with materials like ASTM A216 WCB, Stainless Steel, and Duplex, ideal for harsh environments.
Product Details
SLVCN Class 600 Trunnion-Mounted Ball Valve is designed for high-pressure and high-temperature industrial applications. Featuring a dual-drive system with an electric actuator for automated control and a worm gear for manual operation during emergencies, this valve guarantees reliable performance in all conditions, including emergency shutoff.
With a top-entry design, the valve allows for in-line inspection and maintenance, minimizing downtime and eliminating the need for pipeline disassembly. The forged body and trunnion-mounted ball provide robust support, making it ideal for large-size and high-pressure applications.
Equipped with Double Block and Bleed (DBB) technology, this valve ensures secure isolation and effective pressure control, offering reliable operation in critical systems. The metal-seated design provides superior wear resistance and extends the valve's lifespan, making it suitable for handling high-temperature and high-pressure fluids.
The fire-safe design features anti-static devices and an anti-blowout stem, ensuring safe operation even in hazardous environments. This valve is perfect for industries such as oil and gas, chemical processing, power generation, and offshore applications where durability and reliability are critical.

| 1 | "O"-Ring | 9 | Seat adjustment ring | 17 | Packing Box | 25 | Nut |
| 2 | "O"-Ring | 10 | Seat | 18 | Key | 26 | valve lid |
| 3 | Thrust Washer | 11 | Worm-Gear | 19 | Packing | 27 | "O"-Ring |
| 4 | Packing | 12 | Bolt | 20 | Gasket | 28 | Gasket |
| 5 | Seat Retainer | 13 | Connection Plate | 21 | "O"-Ring | 29 | Ball |
| 6 | Spring | 14 | Stud | 22 | Stem Bearing | 30 | Thrust Washer |
| 7 | Spring seat | 15 | Nut | 23 | Stem | 31 | Stem Bearing |
| 8 | Thrust Washer | 16 | Bolt | 24 | Stud | 32 | Body |
Parts List
Dimensions: Class 600 - Full Port
| Size | Bore | Model / Face to Face | D2 in/mm | Weight | |||
| NPS/DN | B1 | B2 in/mm|in/mm | FT RF in/mm | FT RTJ in/mm | FT BWE in/mm | Model FT lb/kg | |
| 2" | 1.94 | 1.94 | 11.5 | 11.63 | 11,50 | 7.5 | 132 |
| 50 | 49 | 49 | 292 | 295 | 292 | 190 | 60 |
| 3" | 2.94 | 2.94 | 14 | 14.13 | 14 | 9.4 | 287 |
| 80 | 74 | 74 | 356 | 359 | 356 | 240 | 130 |
| 4" | 3.94 | 3.94 | 17 | 17.13 | 17 | 11.4 | 529 |
| 100 | 100 | 100 | 432 | 435 | 432 | 290 | 240 |
| 6" | 5.94 | 5.94 | 22 | 22.13 | 22 | 14.6 | 628 |
| 150 | 150 | 150 | 559 | 562 | 559 | 370 | 285 |
| 8" | 7.94 | 7.94 | 26 | 26.13 | 26 | 20.5 | 1235 |
Weight and dimensions for larger valve sizes up to 64" available on request
Dimensions: Class 600 - Reduced Port
| Size | Bore | Model / Face to Face | D2 in/mm | Weight | |||
| NPS/DN | B1 | B2 in/mmin/mm | GT RF in/mm | GT RTJ in/mm | GT BWE in/mm | Model GT lb/kg | |
| 2"X 11/2" | 1.94 | 1.5 | 11.5 | 11.63 | 11.5 | 6.5 | 77 |
| 50X40 | 49 | 38 | 292 | 295 | 292 | 166 | 35 |
| 3"X2" | 2.94 | 1.94 | 14 | 14.13 | 14 | 8.3 | 154 |
| 80X50 | 74 | 49 | 356 | 359 | 356 | 211 | 70 |
| 4"X3" | 3.94 | 2.94 | 17 | 17.13 | 17 | 10.9 | 309 |
| 100X80 | 100 | 74 | 432 | 435 | 432 | 276 | 140 |
| 6"X4" | 5.94 | 3.94 | 22 | 22.13 | 22 | 14 | 584 |
| 150X100 | 150 | 100 | 559 | 562 | 559 | 356 | 265 |
| 8"X6" | 7.94 | 5.94 | 26 | 26.13 | 26 | 16.6 | 750 |
| 200X150 | 201 | 150 | 660 | 664 | 660 | 421 | 340 |
| 10"x8" | 9.94 | 7.94 | 31 | 31.13 | 31 | 20.1 | 1323 |
Weight and dimensions for larger valve sizes up to 64" available on request

If you want to obtain the complete size, please contact us
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