WR WAFER
CRYOGENIC -110 ºC

CLASS 150-300
NPS 3"-24"

Butterfly, double eccentric, CLASS 150-300
WR Type

BUILDING

Wafer body, double eccentric disc, adjustable stuffing box,  extended bonnet (vapor space), anti-static device, fire safe, blow-out proof stem.

FEATURES

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 in acc. to NACE Standard MR0175.

DIN connection 

 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
 RINA
Clean air
 
 TA-Luft (TÜV Südwest)
SIL certification 
 Exida Certification-SIL 3
Download the catalog Bac Valves 2015