Starline’s top entry trunnion mounted ball valves deliver rapid in-line maintenance, reducing downtime and increasing plant availability in critical service. Their forged construction and high-integrity sealing provide long-term reliability under severe pressure and temperature conditions. With Double Block & Bleed as standard, optional Double Piston Effect, and multiple soft or metal seat technologies, they give operators enhanced safety, tighter shut-off performance, and greater confidence in demanding pipeline and process applications.
Starline
Top Entry Trunnion Mounted Ball Valve
Top entry design for in-line maintenance capability
Specifications
Size Range
1/2" - 36"
Pressure Class
ANSI 150-2500#
Materials
Standard Forged CS LF2, & SS F316/L plus special Alloy materials
Trim
SS 316, & F51 + high tensile strength stem materials available
Construction
Top entry bolted design
Design
API 6D,ANSI B16.34
Seat Inserts
Standard Seats PTFE / RPTFE / Devlon inserts, multiple options available to suit application, including Metal seated
Certification
DNV, Lloyd's register, TUV, TA-Luft,PED, ATEX, SIL3, DVGW, API 6D
Features
Double Block & Bleed as standard, with options for Double Piston Effect execution. Options include emergency sealant, and lip seal designs, forged and cast bodies
Applications
Oil & Gas, Petrochemical, Chemical, Power, Refining, transmission pipelines and critical process isolation duties
- 1/2" - 36"
- Fully European
- ANSI 150-2500#
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