Trunnion
model A11, A41, A61
| Applicable standards | API 6D or API 6A Design according to ASME B16.34 or ASME VIII Div. 1 & 2 |
| Pressure Class Range | ANSI Class 150 lbs. to 4500 lbs. API6A Class 3000 PSI to 20000 PSI |
| Size Range | API 6D - from 1/2" to 42" API 6A - from 1.13/16" to 13.5/8" |
| Ends design | Flanged (RF/RTJ) - ASME B16.5 or ASME B16.47 Flanged (6B/6BX) - API 6A Compact (Norsok Standard L-005) Butt-Weld (ASME B16.25) and/or Butt-Weld + Pipe Hubbed according to client Clamp |
| Body Design | Two or Three Pieces |
| Closure Design | Bolted Closure or Fully welded |
| Ball support | Trunnion (small sizes < 4") - Support Plates |
| Seat design | Floating Self-Relieving - Floating Double Piston Effect Soft Sealing - Metal to Metal (Tungsten Carbide Coating) |
| Valve operation | Manual: Lever or Gearbox Actuated: Pneumatic / Hydraulic / Electric / Electro-Hydraulic |
| Available Materials | CS, LTCS, SS, Duplex SS, Super Duplex SS, 6Mo, Inconel, Incoloy, Hastelloy, Monel, Titanium NACE MR0175 according to client request. |
| Additional Features | Double Block and Bleed, Anti Blowout Stem, Antistatic Device |
| Testing and Certification | Testing: Hydrostatic, High Pressure Gas, Pneumatic and Functional API 598 - API 6A PSL3G, API 6A PR2 & Endurance Fire testing: API 6FA, API 607, BS 6755 part 2 Fugitive Emission Test: ISO 15848 - 1 & 2 SIL Certificate up to SIL 3 PED 2014/68/UE Mod.H |
