Class 900 Bolted Bonnet Gate Valve -- Forged Steel A105N/LF2
API 600 bolted bonnet rising stem gate valves in normalized forged steel A105N or low-temperature carbon steel A350 LF2. Features outside screw and yoke (OS&Y) rising stem, flexible wedge with 13% Cr overlay, integral or replaceable seat rings with 13% Cr/Stellite 6 overlay, machined backseat, and spiral-wound graphite-filled SS316 gasket. Designed for high-pressure high-temperature steam, process piping, oil, and NACE MR0175 sour service loops.
Key Applications
Technical Specifications
Material Options
Carbon Steel
ASTM A216 WCB, A105, A350 LF2
Stainless Steel
SS304, SS316, SS316L, SS321, SS347
Alloy Steel
ASTM A217 WC6, WC9, C5, C12
Duplex Steel
F51, F53, F55, Super Duplex
Exotic Alloys
Monel, Hastelloy, Inconel, Titanium
Bronze & Brass
Gunmetal, Aluminum Bronze, Naval Brass
Purchase Options
Features & Benefits
High Performance
Designed for reliable operation under demanding conditions with minimal maintenance requirements.
Quality Assurance
Complete material traceability, mill test certificates, and compliance with international standards.
Wide Application Range
Suitable for Steam Systems, Petrochemical, Power Plants, Refineries, High Pressure Pipelines and many other industrial applications.
Expert Support
Technical assistance for valve selection, sizing, and application engineering from our experienced team.