CLASS 150-300
NPS 3"-24"

Butterfly, double eccentric, CLASS 150-300
WR Type


Wafer body, double eccentric disc, adjustable stuffing box, The PTFE seat is energized by the Inconel metal seat, anti-static device, fire safe, blow-out proof stem.


Butterfly valve of high performance with bidirectional seats for all the pressures range.

PTFE seats with a core formed by a spring and a self-centring ring which give adaptability to changes of temperature and pressure.

Internal wetted parts are according to NACE Standard MR0175.

DIN connection
Cryogenic service
Metal to metal tightness

DesignAPI 609
EndASME 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