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Precision RV-420 Isolation Unit
Engineered for high-voltage grid infrastructure, the RV-420 ball valve offers a high-integrity isolation point for transformer servicing. This unit ensures zero leakage for cooling oils and protects vital energy equipment.
Engineering Data Sheets
Materiality
• Body: Cast ASTM-A351 CF8M (316) Stainless Steel
• Fasteners: High-strength Grade 8 alloy steel hardware
• Surfaces: Electropolished internal finish for low friction
Pressure Rating
• Nominal: PN16 / 232 PSI design pressure
• Testing: API 598 shell and seat hydrotested
• Safety: Rated for extreme surge protection
Thermal Range
• Range: -40°C to +150°C operating window
• Compatibility: Optimized for mineral and synthetic oils
• Stability: Resists rapid cyclic heating stresses
Connection Fit
• Flange: Dual ANSI Class 150 and DIN DN80 compatibility
• Pattern: Multi-standard bolt circle for global retrofit
• Torque: Reduced operating torque via trunnion-style ball
Sealing Unit
• Primary: Proprietary carbon-reinforced PTFE seats
• Secondary: Viton/Fluorocarbon FKM high-grade stem seals
• Reliability: Bubble-tight shut-off performance
Major Assets
Industrial Grade Integrity
Utilizing a micro-polished ball-to-seat interface, this valve achieves a hermetic seal against dielectric oils.
Rugged Environment Adaptability
Advanced metallurgical treatments ensure the unit resists atmospheric corrosion and varying seismic activities.
Optimized Fluid Flow
The full-bore design eliminates turbulence and pressure differentials during high-volume oil circulation.
Compact Form Factor
A streamlined body silhouette enables installation in congested cabinet spaces and tight radiator manifolding.