The Triple offset Butterfly ARI-ZETRIX
The triple offset butterfly ZETRIX
Now also with butt weld ends or as a fully lugged, wafer flange version in Class 600 (PN 63/100)
“Smart” sealing ring – self-aligning
Elastic stainless steel and graphite sealing ring
Stellited seat (stellite no. 21)
Tight metal seal, leakage rate A acc. to EN 12266-1
Optimised characteristic permits shut-off and control function
Design EN 12516, ASME B16.34, API 609
Type of connection EN 1092, ASME 16.5, ASME 16.47
Nominal diameter
Double flange: DN 80-1200, 3” - 48”
Lug type: DN 80-600, 3” to 24”
Butt-weld ends: DN 80-600, 3” to 24”
Nominal pressure PN 10 to PN 40, Class 150, Class 300 / 600
Face-to-face
Double flange: DIN EN 558-1 series 13, ISO 5752, API 609
Lug type: DIN EN 558-1 series 16, ISO 5752
Butt-weld ends: DIN EN 558-1 series 14, ISO 5752
Material Cast steel (1.0619 +N; SA216 WCB) Stainless steel (1.4408; SA351 CF8M)
Temperature -60°C up to +427°C
Approvals firesafe, SIL, ATEX, ISO 15848-1, ATEX