DV-S 3 or 4 Ways SCREWED NPT
CLASS 150, NPS 1/2"-2"

Floating ball, CLASS 150
DV Type 3 or 4 way


Full bore in L, T, or X, floating ball, supported by four seats, relief seats, anti-static device, fire safe, pressure balance hole in ball, blow-out proof stem.


High performance low emission double stuffing box. 
Internal wetted parts are in acc. to NACE Standard MR0103.


ANSI class 300
DesignISO 17292
EndNPT screwed acc. to ASME B 1.20.1
Face to face Manuf. std.
Top flange     ISO 5211 
TestingsISO 5208
Type approval
 Bureau Veritas
  GOST-Russian Federation Arms
Clean air 
 TA-Luft (TÜV Südwest)
SIL certification 
 Exida Certification-SIL 

Download the catalog Bac Valves 2015