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model A31C

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
Special client's requirements
Body Design Single piece
Closure Design Bolted Bonnet or Pressure seal
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, Double Isolation Barrier (DIB), 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