300LB Electric Top Entry DBB Ball Valve with Precise Valve Positioning
Product Parameters
Valve Type |
Electric Top Entry DBB Trunnion Mounted Ball Valve |
Pressure Rating (Standard) |
ASME Class 300 |
Other Pressure Classes |
Available upon request: ASME Class 150, 600, 900, 1500, 2500 (subject to design confirmation) |
Size Range |
2"–64" (DN50–DN1600); larger sizes available upon request |
Ball Design |
Fixed Trunnion Mounted |
Body Construction |
Top-entry design with bolted top cover for easy maintenance |
Sealing Design |
Double Block and Bleed (DBB) |
Seat Type |
Metal Hard Seal + PTFE Soft Seal |
Seat Materials |
Metal Seat, PEEK, PCTFE (KEL-F), Devlon V |
Operating Temperature |
-40°C to 250°C (varies with material selection) |
End Connection |
Flanged RF / RTJ |
Operation |
Electric Actuator with Precise Valve Positioning |
Mounting Interface |
ISO 5211 direct mounting available |
Body Materials |
WCB, 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 standards |
Sealing Direction |
Bi-directional sealing |
Brand |
SLVCN |
Key Features
Efficient Maintenance
The top-entry structure and retractable seat design allow for quick, online replacement of the valve core and seals, eliminating the need for pipeline removal and reducing downtime by up to 80%.
Comprehensive Safety Protection
Includes stem blowout prevention, electrostatic grounding, and fire-safe backup seals, providing reliable protection in extreme and hazardous operating environments.
Enhanced Stability & Durability
The one-piece cast valve body reduces leak points, while the fixed ball and trunnion support structure ensure smooth, stable operation in high-pressure, large-diameter applications.
Emergency Leak Protection
Features a sealant injection port for emergency seal leakage, enabling temporary sealing and minimizing operational losses during unexpected shutdowns.
Product Details
SLVCN 300LB Electric Top Entry DBB Ball Valve is specifically designed for high-efficiency control in long-distance pipelines, chemical plants, and other demanding industrial applications. Featuring a top-entry structure, it allows for maintenance without pipeline removal, reducing downtime by up to 80%. The valve integrates a composite seal and DBB (Double Block and Bleed) function, ensuring zero leakage control in high-pressure fluid systems.
Constructed from corrosion-resistant materials, it is compatible with a wide range of harsh media, offering reliable performance across a wide temperature range. The electric actuator with precise valve positioning (±1%) enables seamless integration with automation systems, offering remote control capabilities for enhanced operational efficiency. With a design life of over 500,000 cycles, this valve provides long-term durability, significantly reducing maintenance costs.
Ideal for industries such as oil, gas, and chemical, this high-pressure valve is the preferred solution for reliable, low-maintenance fluid transport in critical infrastructure systems.
Parts List
Dimensions: Class 300 - Full Port
| Size | Bore | Model / Face to Face | D2 in/mm | Weight | |||
| NPS/DN | B1 in/mm | B2 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 | 11.5 | 7.5 | 121 |
| 50 | 49 | 49 | 292 | 295 | 292 | 190 | 55 |
| 3" | 2.94 | 2.94 | 14 | 14.13 | 14 | 9.4 | 276 |
| 80 | 74 | 74 | 356 | 359 | 356 | 240 | 125 |
| 4" | 3.94 | 3.94 | 17 | 17.13 | 17 | 11.4 | 507 |
| 100 | 100 | 100 | 432 | 435 | 432 | 290 | 230 |
| 6" | 5.94 | 5.94 | 22 | 22.13 | 22 | 14.6 | 606 |
| 150 | 150 | 150 | 559 | 562 | 559 | 370 | 275 |
| 8" | 7.94 | 7.94 | 26 | 26.13 | 26 | 16.3 | 1124 |
Weight and dimensions for larger valve sizes up to 64" available on request
Dimensions: Class 300 - Reduced Port
| Size | Bore | Model / Face to Face | D2 in/mm | Weight | |||
| NPS/DN | B1 in/mm | B2 in/mm | GT RF in/mm | GT RTJ in/mm | GT BWE in/mm | Model GT lb/kg | |
| 2"×11/2" | 1.94 | 1.5 | 11.5 | 11.63 | 11.5 | 6.5 | 66 |
| 50×40 | 49 | 38 | 292 | 295 | 292 | 166 | 30 |
| 3"×2" | 2.94 | 1.94 | 14 | 14.13 | 14 | 8.3 | 143 |
| 80×50 | 74 | 49 | 356 | 359 | 356 | 210 | 65 |
| 4" X3" | 3.94 | 2.94 | 17 | 17.13 | 17 | 10 | 298 |
| 100×80 | 100 | 74 | 432 | 435 | 432 | 255 | 135 |
| 6" ×4" | 5.94 | 3.94 | 22 | 22.13 | 22 | 12.6 | 551 |
| 150×100 | 150 | 100 | 559 | 562 | 559 | 320 | 250 |
| 8"×6" | 7.94 | 5.94 | 26 | 26.13 | 26 | 15 | 661 |
| 200×150 | 201 | 150 | 660 | 664 | 660 | 381 | 300 |
| 10"X8" | 9.94 | 7.94 | 31 | 31.13 | 31 | 17.5 | 1191 |
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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