API 6D Trunnion Ball Valves, A350 LF2, 12 IN, 600 LB, RF, FP Ship To Chile

Oct 31, 2025 Leave a message

A350 LF2 forged steel trunnion-mounted ball valve is a critical equipment for high-pressure medium transportation pipelines. Featuring a bidirectional sealing structure design, it is suitable for industries such as chemical, petroleum, natural gas, metallurgy, and long-distance natural gas pipelines containing hydrogen sulfide media, high impurities, and severe corrosion. Its seat assembly incorporates spring preload self-tightening characteristics, with fluid pressure transmitted through bearings to prevent seat deformation. It offers low torque and stable sealing. GNEE's new generation product line covers nominal diameters from DN25 to DN800, with an operating temperature range of -196°C to 350°C, and is equipped with fire-safe structure and automatic pressure relief functions.

Order Specification

ASTM A350 LF2 Trunnion Mounted Ball Valve, RF Flanged Ends.

Product Item: Forged Trunnion Mounted Ball Valve, Full Port
Type: Trunnion Mounted Ball Valve (ENP 0.003 Inch)
Design Standard: API 6D
Size: 12 Inch, DN300
Pressure: Class 600 LB, PN100
Body Material: ASTM A350 LF2
Seat Material: Devlon
Ends: RF Flanged
Operator: Gear Operator
Painting: White Color
Size Range: 2 Inch - 12 Inch

Features:
Fire Safe (API 6FA & API 607)
Double Block and Bleed (DBB)
Backup Seat
Grease Injector

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Trunnion Ball Valve
Trunnion mounted ball valves are custom made with 2-piece or 3-piece bodies per API 6D specifications. These trunnion ball valves are available with soft seats and metal seats. Metal bases designed with ENP or other special coatings to meet abrasive or corrosive requirements.
API 6D Ball Valve
The API 6D ball valve is designed in accordance with API 6D, the ball valve is connected by bolts, the seat ring is trunnion mounted, and the spring is loaded to ensure contact with the ball, even if the pressure difference between the cavity and the downstream closure is low.
Integral DBB Valve
Integrated DBB valve integrates dual sealing and relief functions to provide reliable double isolation protection in high-risk scenarios such as petroleum and chemical industries. Its design must strictly comply with standards such as API 6D and API 608 to meet the needs of high-pressure and corrosive media.