model A21 (Hydrogen)

Applicable standards API 6D Design according to ASME B16.34 or ASME VIII Div. 1 & 2
Pressure Class Range ANSI Class 150 lbs. to 1500 lbs.
Size Range API 6D - from 1/2" to 8"
Ends design Flanged (RF/RTJ) - ASME B16.45, ASME B16.47 or MSS SP-44
Compact (i.e. 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 Two Pieces
Closure Design Bolted Closure or Fully welded
Ball support Trunnion (small sizes < 4") - Support Plates
Seat design Soft Sealing - Metal to Metal (c/w hardfacing)
Valve operation Manual: Lever or Gearbox
Available Materials UNS S31600/3, UNS S31254, UNS S20910 and UNS S66286.
Proper material selection verifed by Valland material experts.
NACE MR0175 according to client request.
Additional Features Anti Blowout Stem, Antistatic Device
Special gasket to avoid contamination from environment
Testing and Certification Testing: High Pressure Gas, Pneumatic and Functional
Test in hydrogen environment according to client specifcations
API 598 - API 6D
Fire testing: API 6FA, API 607, BS 6755 part 2, ISO 10497
Fugitive Emission Test: ISO 15848 - 1 & 2
SIL Certificate up to SIL 3
PED 2014/68/UE Mod.H - UKCA - TSG (upon request)