A105, A473 CA6NM, C12, C12A, C5, CD3MN, CD4MCU, CE3MN, CF10, CF10M, CF3, CF3M, CF8, CF8C, CF8M, CG3M, CG8M, CK-3MCUN, CN7M, CU5MCUC, CY40, F-316L, F-347H, F-51, F-53, G4A, G6A, HASTC22, INC800H, INCOLOY, LC2, LC3, LCB, LCC, LF2, M35-1, TI-C2, UNS N08020, UNS N08031, UNS N08825, UNS N08904, UNS S31803, WC1, WC6, WC9, WCB, WCC, …
• Valves are designed without elastomeric or thermoplastic gaskets.
• Load fluctuation during the service life are considered in the design in order to guarantee long service life and operation.
• Expanding gate are available as of double expanding design, Double Isolation and Bleed valve in both close and open positions and Single expanding gate Double Isolation and Bleed in close position.
– Depending on size and pressure there are different slide expanding alternatives: Spring design,Lever design, Cam design…
• Double Block and Bleed (DBB) in CLOSE and/or OPEN positions.
• Double Isolation and Bleed (DIB-1) in CLOSE and/or OPEN positions.
– Low Fugitive Emissions
• Fire Safe.
• Fully Piggable valve.
• Antistatic design.
• Rising Stem design.
• Bi-Directional sealing design.
• Sealing is reached by mechanical thrust without the need to pressure energize the sealing components.
• The sliding sealing surfaces are completely hard face with tungsten carbide.
• Metal to metal sealing achieved by tungsten carbide hard facing on both the gate and seats.
• Double stem packing sealing solution provided.
• Tight sealing in Open and Close positions.
• Materials are selected correctly to guarantee mechanical and corrosion resistance taking into account extreme service conditions and sour service NACE requirements.
• CRA weld overlay available in-house, partial or fully clad for corrosion protection.
• Single expanding designs are available upon request.
• Customized bores are available on request.
• External vent and drain are available.
• Stem injection ports for extra sealing are available.
– Valve can be installed vertically or horizontally