CLASS 150,
NPS 3"-24"

Butterfly, double eccentric, CLASS 150-300
WR Type


Wafer body, double eccentric disc, adjustable stuffing box, Metal-Metal seats, anti-static device, fire safe, blow-out proof stem.


Butterfly valve of high performance with metal-to-metal seats for high temperature applications and abrasive fluids.

Inconel 625 seats and disc with hard coating.

Internal wetted parts are in acc. to NACE Standard MR0175.

DIN connection

DesignAPI 609
EndFlanges ASME B16.5 RF 
Face to faceAPI 609 cat. B
Top flange     ISO 5211 
TestingsAPI 598
Fire safe tested      ISO 10497/ API 607

Fire safe

 Bureau Veritas
Type aproval
 Bureau Veritas
 Det Norske Veritas
 Germanischer Lloyd
 Russian Maritime Register of Shipping
Clean air
 TA-Luft (TÜV Südwest)
SIL certification
 Exida Certification-SIL 3
Download the catalog Bac Valves 2015