Starline’s soft seated trunnion mounted ball valves deliver tight, zero-leakage shut-off and low-emission performance, making them ideal for critical isolation duties. Their forged construction and high-strength trim ensure long-term reliability under high pressures, while ISO mounting simplifies automation. With Double Block & Bleed as standard, optional Double Piston Effect sealing, and a wide range of seat materials, they provide dependable performance across demanding process and pipeline environments.
Starline
Soft Seated Trunnion Mounted Ball Valve
Soft seated design with Zero seat leakage, low emission design as standard. ISO Mounting for ease of automation
Specifications
Size Range
1/2" - 36"
Pressure Class
ANSI 150-2500# + API 6A 5000 - 15000
Materials
Standard Forged CS LF2, & SS F316/L plus special Alloy materials
Trim
SS 316, & F51 + high tensile strength stem materials available
Construction
3-Piece bolted
Design
API 6D,ANSI B16.34
Seat Inserts
Standard Seats PTFE / RPTFE / Devlon inserts, multiple options available to suit application
Certification
DNV, Lloyd's register, TUV, TA-Luft,PED, ATEX, BS6364, EN 161, SIL3, DVGW, API 6D
Features
Double Block & Bleed as standard, with options for Double Piston Effect execution.
Applications
Oil & Gas, Petrochemical, Chemical, Power, Refining, pipeline and critical process isolation
- 1/2" - 36"
- Fully European
- ANSI 150-2500# + API 6A 5000 - 15000
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We supply the full range of Starline valves.
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