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“S” Flat Valve
API 6A "S" Flat Gate Valves deliver superior wellhead isolation with 20,000 PSI pressure rating and tungsten carbide S-type seals for zero-leak performance in abrasive/sour service. The low-torque S-geometry design reduces operating force by 40% versus conventional valves, while PSL3G/PR2 certification ensures reliability in H₂S environments (NACE MR0175 compliant). Featuring integrated position indicator and pressure-balanced stem, these valves enable <5-second emergency shutdowns for BOP systems.
Product Details
Ultra-High Performance "S" Flat Gate Valves for Extreme Service Conditions
(API 6A PSL3G/PR2 Certified | 20K PSI Rated | Advanced Composite Sealing System)
Product Overview
Our "S" Flat Gate Valves (11-3/16" to 7-1/16") redefine reliability in wellhead isolation, combining PEEK+Elgiloy seat seals and PTFE+Elgiloy stem seals for unmatched performance across -75°F to 350°F environments. The carbide-sprayed metal seals and pressure-energized inverted stem design deliver zero-leak integrity in abrasive/sour service up to 20,000 PSI.
Key Features & Benefits
1. Revolutionary Sealing Technology
- Dual-Material Seals:
- Seat: PEEK+Elgiloy composite reserts thermal deformation (+20% lifespan vs conventional materials)
- Stem: PTFE+Elgiloy low-friction combo reduces operating torque by 35%
- Carbide-Sprayed Metal Seals: HVOF-coated surfaces withstand 500+ cycles in sand-laden flows
2. Maintenance-Optimized Design
- Inverted Stem Seal Structure: Enables live-loading seal replacement without system depressurization
- API 6A PSL3G Compliance: Full traceability for sour gas (NACE MR0175) and high-PSI applications
3. Extreme Environment Adaptability
| Parameter | Specification |
|---|---|
| Temperature Range | K-X Grade (-75°F to 350°F) |
| Material Grades | AA-HH (Incl. CRAs for chloride stress corrosion) |
| Cycle Life | 50,000+ cycles at 20K PSI |
CTA: Download our seal technology whitepaper or request a valve lifecycle cost analysis!
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