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Valland - Model B21 -Double Expanding Gate Valve
FromValland S.P.A.
API 6D or API 6A Through Conduit Double Expanding Gate Valve, Bolted Bonnet. Rising Stem Outside Screw & Yoke. Bi-directional sealing (by seal on both sides). Metal-to-Metal Seated, Hardfaced with Tungsten Carbide Coating on Gates and Seats. Manual Operated with Handwheel or Gear, as applicable - Pneumatic, Hydraulic or Electric Actuated.
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- Ends design:
- Flanged (RF/RTJ) - ASME B16.5, ASME B16.47 or MSS SP-44
- 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
- Bonnet Design: Bolted bonnet
- Seat design:
- Non floating (without soft gasket)
- 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: Double Block and Bleed, Normal of Reverse acting, 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, ISO 10497
- Fugitive Emission Test: ISO 15848 - 1 & 2
- SIL Certificate up to SIL 3
- PED 2014/68/UE Mod.H
- Hyperbaric Test for Subsea application
