API 602 Pressure Seal Forged Gate Valve – High-Temperature & High-Pressure Solution
Key Structural Features
✅ Pressure Seal Bonnet Design:
ASME B16.34 Certified: Self-energizing seal under high pressure (Class 1500~4500) for steam, oil, and gas pipelines (up to +593°C).
Zero Leakage: Wedge-to-seat metal sealing (ASTM A105/A182 F22/F91) ensures bubble-tight closure.
✅ Forged Steel Construction:
High-Strength Materials: Carbon steel (A105), alloy steel (F22/F91), or stainless steel (F316L) for corrosion/erosion resistance.
Compact Body: Ideal for power plants, refineries, and high-pressure utility systems.
✅ Extended Service Life:
Blowout-Proof Stem: Anti-static design with graphite packing (API 624 fugitive emission compliant).
Fire-Safe Option: API 607-certified graphite seals for emergency shutoff.
✅ Versatile Configurations:
End Connections: Flanged (RF/RTJ), butt weld (ASME B16.25), or socket weld (ASME B16.11).
Actuation: Manual handwheel, gearbox, or automated (electric/pneumatic).