ROFORGE Check valve – CLASS flanges

Use – Anti-return

Performance indicators

– Seat tightness reliability         (4 / 6)

– Flow coefficient (Cv)    (3 / 6)

– Temperature range       (5 / 6)

Field of application
– Oil industry, petrochemicals, chemical industry, energy industry, general industry, naval industry

Types de service

–  General fluids up to 425 °C (A105N type steel)

– Low temperatures down to -46°C (A350 LF2 type steel)

– High temperatures up to 600 °C ⁽¹⁾ (F11, F22, F5 type alloyed steels)

–  Corrosive fluids ⁽²⁾ (304L, 316L type stainless steels)

Design standards

– Design

API 602 / ISO 15761

ASME B16.34 / EN 12516-1

– Flanges

ASME B16.5 / EN 1759-1

– Testing

API 598 /EN 12266

CERTIFICATION

PED certification (article 4.3 for NPS ≤ 1 / categories I and II for NPS > 1)

ATEX Ex II 2 GD T4 certification on demand

^{(1) According to shell materials combination}

^{(2) According to corrosion tables and process experience}