Water & DesalinationTransmission Pipeline
Butterfly valve body (DN200–DN1200 pipeline duty)
EN 593 / ISO 10631. AWWA C504. Disc in SS 316 or coated DI. EPDM seat (WRAS / NSF 61). FBE body coating.
Specifications
Material
Ductile Iron GJS-500-7 (dominant in GCC distribution); CS WCB (high pressure)
Grades
GJS-500-7;WCB
Material Class
Ductile Iron
Applicable Standards
WRASEN 593ISO 10631AWWA C504
Common Processes
Green sand (DI); resin sand (CS, large DN>600)
NDT & Inspection
Hydrostatic (EN 12266-1); shell leak test; VT/dimensional (100%); RT/UT (CS PN16+)
Typical Specs & Notes
EN 593 / ISO 10631. AWWA C504. Disc in SS 316 or coated DI. EPDM seat (WRAS / NSF 61). FBE body coating.
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