Top Entry Rising Stem
model A31
| Applicable standards | API 6D, API 6DSS 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, API 6DSS - from 1/4” to 24” 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 Special client's requirements |
| Body Design | Single piece |
| Closure Design | Bolted Bonnet |
| Seat design | Single Seat, Metal to Metal (c/w hardfacing) |
| Valve operation | Manual: Handwheel 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 | Reinforced Graphite or V-Pack stem sealing arrangement |
| 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 PED 2014/68/UE Mod.H Hyperbaric Test for Subsea application Additional test according to customers requirements |
