ROR ADJUSTING / BALANCING VALVE
Use
-Adjusting / balancing
Performance indicators
– Flow coefficient (Cv) (4.5 / 6)
– Temperature range (4 / 6)
– Flow setting (6 / 6)
Field of application
-Oil industry, petrochemicals, chemical industry, energy industry, general industry, naval industry
operating conditions
– General fluids up to 425 °C (steel, cast iron, brass)
– Corrosive fluids (1) (stainless steel)
Application examples: feed water flow setting (district heating), fuel flow setting (thermal power plants), balancing of hydraulic circuits, presetting upstream of control valves, etc…
Competitive advantages: ease and flexibility of setting, prevention of untimely operating
Design standards
– Design
ASME B16.34 / EN 12516-1
– Flanges
ASME B16.5 / EN 1759-1
—– / EN 1092-1
– Testing
API 598 / EN 12266
CERTIFICATION
PED certification (article 4.3 for NPS ≤ 1 / categories I, II and III for NPS > 1)
ATEX Ex II 2 GD T4 certification on demand
(1) According to corrosion tables and process experience