Shoulong Valve
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Double-Block-and-Bleed (DBB), Emergency Sealing Device, Anti-Static, Fire-Safe (API 607 / API 6FA), and Blow-Out Proof Stem.
Advanced seat sealing structure provides leak-free performance under high pressure, supporting both single and double sealing designs.
Trunnion-mounted forged design ensures stable operation under pressures up to Class 2500 / 6000 PSI and extreme temperatures.
Constructed from high-quality forged steel and corrosion-resistant alloys, capable of withstanding harsh industrial environments.
Supports manual, worm gear, electric, or pneumatic actuation. ISO 5211 direct mounting and customizable stem extension options.
Available in Full Bore or Reduced Bore designs to optimize system flow and reduce pressure drop.
Designed for demanding high-pressure applications, the SLVCN Class 2500 / 6000 PSI forged trunnion-mounted ball valve features a Double-Block-and-Bleed (DBB) design with an emergency sealing device for maximum safety. Built from robust materials—including stainless steels, nickel alloys, and high-performance seats—it ensures reliable performance in sour service and harsh environments.
The valve supports various actuation methods and complies with API 6D, BS 5351, MESC SPET 7/200, and ASME B16.34 standards, with fire-safe construction designed per API 607 / API 6FA.
| No. | Part Name | No. | Part Name | No. | Part Name | No. | Part Name |
|---|---|---|---|---|---|---|---|
| 1 | Right Body | 11 | Lip Seal | 21 | Stud | 31 | Thrust Washer |
| 2 | Nut | 12 | Bolt | 22 | Gland | 32 | Stem Bearing |
| 3 | Pin | 13 | Seat Pressure Ring | 23 | Packing Ring | 33 | Thrust Bearing |
| 4 | Gasket | 14 | Seat | 24 | Packing | 34 | Stem Bearing |
| 5 | Spring | 15 | Ball | 25 | Packing pad | 35 | Trunnion Support |
| 6 | Stud | 16 | Worm-Gear | 26 | Drip Tray | 36 | Body |
| 7 | Thrust Washer | 17 | Key | 27 | Packing Box | 37 | Drain Valve |
Dimensions: Class 2500 - Full Port
| Size (NPS/DN) | Bore (in/mm) | RF (in/mm) | RTJ (in/mm) | BWE (in/mm) |
|---|---|---|---|---|
| 2" / 50 | 1.69 / 42 | 17.75 / 451 | 17.88 / 454 | 17.75 / 451 |
| 3" / 80 | 2.44 / 62 | 22.75 / 578 | 23 / 584 | 22.75 / 578 |
| 4" / 100 | 3.44 / 87 | 26.5 / 673 | 26.88 / 683 | 26.5 / 673 |
Weight and dimensions for larger valve sizes up to 30" available on request.
