Trunnion Mounted Ball Valve – Class 900 / 1500 / 2500
Heavy-duty trunnion ball valve for extreme pressure service in Class 900, 1500, and 2500. Features full-bore design and Inconel X-750 seat springs for high-temperature capability.
- Pressure
- Class 900 – Class 2500
- Size Range
- 2" to 24"
- Testing
- API 598
⚠ Pending engineering review: Pending engineering sign-off: pressure figure is a hydro-test (shell) value, not a confirmed Class rating.
- 01
Pressure Rating
Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
- 02
Size Range
- 03
Material
- 04
Standards
01
Pressure Rating
Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
Reference standard & materials
Same data as the printed catalogue
Reference standard
- MFG. STD
- ISO 17292 / API 6D
- Face to Face
- ASME B16.10
- Flange End
- ASME B16.5
- Butt Weld End
- ASME B16.25
- Insp. & Test.
- API 598
- Fire Safe
- API 607 / API 6FA
- Press & Temp.
- ASME B16.34

Material of construction
| No. | Description | Carbon Steel | Alloy Steel | Stainless Steel | Duplex Stainless Steel |
|---|---|---|---|---|---|
| 01 | Body | ASTM A216 GR.WCB | ASTM A217 GR.WC9 | ASTM A351 GR.CF8M | ASTM A995 GR.5A |
| 02 | Adaptor | ASTM A216 GR.WCB | ASTM A217 GR.WC9 | ASTM A351 GR.CF8M | ASTM A995 GR.5A |
| 03 | Ball | ASTM A351 GR.CF8M | ASTM A351 GR.CF8M | ASTM A351 GR.CF8M | ASTM A182 GR.F53 |
| 04 | Stem | SS 304 / SS 316 | SS 304 / SS 316 | SS 316 | ASTM A182 GR.F53 |
| 05 | Seat Insert | PTFE / RPTFE / DEVLON / PEEK | PTFE / RPTFE / DEVLON / PEEK | PTFE / RPTFE / DEVLON / PEEK | PTFE / RPTFE / DEVLON / PEEK |
| 06 | Seat Retainer | ASTM A351 GR.CF8M | ASTM A351 GR.CF8M | ASTM A351 GR.CF8M | ASTM A182 GR.F53 |
| 07 | Gasket | SPW SS 304 / SS 316 + Graphite Filled | SPW SS 304 / SS 316 + Graphite Filled | SPW SS 304 / SS 316 + Graphite Filled | SPW SS 304 / SS 316 + Graphite Filled |
| 08 | Bottom Washer | PTFE | PTFE | PTFE | PTFE |
| 09 | Gland Bush | SS 304 / SS 316 | SS 304 / SS 316 | SS 316 | ASTM A182 GR.F53 |
| 10 | Gland Packing | PTFE | PTFE | PTFE | PTFE |
| 11 | Seat & Stem 'O' Ring | Viton | Viton | Viton | Viton |
| 12 | Stem & Trunnion Bush | PTFE | PTFE | PTFE | PTFE |
| 13 | Top Mounting Plate | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| 14 | Trunnion | SS 304 / SS 316 | SS 304 / SS 316 | SS 316 | ASTM A182 GR.F53 |
| 15 | Trunnion Cover | ASTM A216 GR.WCB | ASTM A217 GR.WC9 | ASTM A351 GR.CF8M | ASTM A995 GR.5A |
| 16 | Drain Plug | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| 17 | Air Vent | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| 18 | Anti Static | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| 19 | Seat Spring | Inconel | Inconel | Inconel | Inconel |
| 20 | Joint Stud / Joint Nut | ASTM A193 GR. B7 / ASTM A194 GR. 2H | ASTM A193 GR. B7 / ASTM A194 GR. 2H | ASTM A193 GR. B8M / ASTM A194 GR. 8M | ASTM A193 GR. B8M / ASTM A194 GR. 8M |
| 21 | Gear Box | Standard | Standard | Standard | Standard |
| 22 | Hand Wheel | Carbon Steel / Malleable Steel | Carbon Steel / Malleable Steel | Carbon Steel / Malleable Steel | Carbon Steel / Malleable Steel |
Dimensions
mm · ASME B16.5 flange details · weights on request


| Face to Face | Flange Details, ASME B16.5 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | DN | A (FE) | A (RTJ) | OD | PCD | RFD | T | ØH | N | Length K Appx. | H Appx. | Operating System |
| 2" | 50 | 368 | 371 | 216 | 165.1 | 92.1 | 38.1 | 25 | 08 | 250 | 440 | Lever |
| 2.5" | 65 | 419 | 422 | 244 | 190.5 | 104.8 | 41.1 | 29 | 08 | 300 | 525 | Lever |
| 3" | 80 | 381 | 384 | 241 | 190.5 | 127.0 | 38.1 | 25 | 08 | 300 | 584 | Lever |
| 4" | 100 | 457 | 460 | 292 | 235.0 | 157.2 | 44.5 | 32 | 08 | 400 | 712 | Lever |
| 6" | 150 | 610 | 613 | 381 | 317.5 | 215.9 | 55.6 | 32 | 12 | 500 | 927 | Gear Box |
| 8" | 200 | 737 | 740 | 470 | 393.7 | 269.9 | 63.5 | 38 | 12 | 600 | 1220 | Gear Box |
| 10" | 250 | 838 | 841 | 546 | 469.9 | 323.8 | 69.8 | 38 | 16 | 400 | 1600 | Gear Box |
| 12" | 300 | 965 | 968 | 610 | 533.4 | 381.0 | 79.2 | 38 | 20 | 450 | 1752 | Gear Box |
| 14" | 350 | 1029 | 1039 | 641 | 558.8 | 412.8 | 85.9 | 41 | 20 | 650 | 2286 | Gear Box |
| 16" | 400 | 1130 | 1140 | 705 | 616.0 | 469.9 | 88.9 | 45 | 20 | 650 | 2362 | Gear Box |
Technical specifications
- Material
- Body: ASTM A216 GR.WCB (CS) / ASTM A351 GR.CF8M (SS) / ASTM A995 GR.5A (Duplex)
- Pressure Rating
- Class 900 (235 Kg/cm²) / Class 1500 (391 Kg/cm²) / Class 2500 (651 Kg/cm²)
- Temperature Range
- -29°C to +200°C (PTFE/RPTFE seat limited; CS body rated to +427°C)
- Eng Note
- Pending engineering sign-off: pressure figure is a hydro-test (shell) value, not a confirmed Class rating.
- Size Range
- 2" to 24" (DN 50–600) for Class 900; 2" to 20" for Class 1500; 2" to 12" for Class 2500
- End Connections
- Flanged (ASME B16.5), RTJ (ASME B16.5), Butt Weld (ASME B16.25)
- Face T To Face
- ASME B16.10
- Seat Insert
- PTFE / RPTFE / PEEK / DEVLON / NYLON
- Seat Spring
- SPRING STEEL (seat spring material)
- Operating System
- Lever (2"–4" Class 900), Gear Box (6" and above)
- Model Numbers
- VX-TMBV-1014 (Cl.900) / VX-TMBV-1015 (Cl.1500) / VX-TMBV-1016 (Cl.2500)
Standards & testing
- MFG. STD: API 6D / ISO 17292
- Face to Face: ASME B16.10
- Flange End: ASME B16.5
- Insp. & Test: API 598
- Fire Safe: API 607
- Press. & Temp: ASME B16.34
Custom engineering
Special trims, exotic materials and non-standard dimensions are available against your datasheet — send it with your quote request and our engineering team will respond with a compliant proposal.
