FORGED GATE VALVE – BOLTED BONNET
CLASS DESIGNATED FLANGES – RAISED FACE (RF)
CLASS 150 – 300 – 600
Use – Shut off
Performance indicators
– Seat tightness reliability (6 / 6)
– Flow coefficient (Cv) (6 / 6)
– Temperature range (4 / 6)
– Flow setting (2 / 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)
(1) According to shell materials combination
(2) According to corrosion tables and process experience