High Performance-Triple Offset

Series 4a/4d/4g :

Wafer body; 150#/300#/600#

Series 4b/4e/4h:

Lug body; 150#/300#/600#

Series 4c/4f/4j:

Double flanged body; 150#/300#/600#

Series 4w/4y/4k:

Butt weld ends body; 150#/300#/600#

Valve type

High performance triple offset metal seated butterfly valve

Design & mfg

Api 609 cat b/en 593/ asme b16.34

Inspection & test

Api 598 / en 12266 -1

Size range

Dn 80 – dn 1200(3″ to 48″)

Pressure rating

Asme class 150 #/300 #/600#

Temp range

(-)29°c to (+)538°c; (-)196°c;

Body matl

Wcb/ cf8/cf8m/duplex ss/ al bronze

Disc matl

Wcb/ cf8/cf8m/duplex ss/ al bronze

Stem matl

Ss410/ ss316/ss17-4ph / duplex-ss/ monel

Body seat

13% chrome/stellite ® 21/ inconel® weld overlay

Seat matl

Ss316/ duplex ss/inconel®/monel® + laminated graphite

Operation

Hand lever/ gear box/ pneumatic or  electric actr

Options

Steam jacketed body; extended bonnet for cryogenic service