KVTW-D/KVXW-D0 pages

Datasheett
Ball segment valvet
Type KVTW-D/KVXW-D t
Nominal pressuret
Nominal sizet

•t Control and shut-off
valve
•t High capacity
•t One-piece shaft gives
torque transmission
free of backlash

•t Excellent tightness
irrespective of
differential pressure

•t Easy maintenance

Si-114 EN
Edition: 2013-11

Wafer design Short face to face dimension
PN 40/25/20/16/10t
PN 25/20/16/10
DN 25 - 65 tt
DN 80 - 250

The SOMAS ball segment valve type KVTW with a centrically mounted shaft, and KVXW
with an eccentrically mounted shaft are of wafer design. The valve called the D-version
is manufactured in short face to face dimensions common in certain markets.
The valve is also manufactured in A-type version with a standard face to face dimension.
The valve body is in one piece. Shaft device is also in one piece for torque transmission
free of backlash. The spring-loaded seat is available in three alternative materials (PTFE,
PTFE 53 and HiCo [High Cobalt Alloy]).
The valves can be used for control, as well as for shut-off applications on practically
every type of media within a wide temperature range.
Choose KVTW for liquids, media containing impurities etc. For dry and clean media
choose KVXW. In the KVXW-valve the ball segment is eccentrically mounted and rotates
out from the seat when the valve is opened. This reduces the wear on seat and segment.
Low noise trim is available as an option on DN50 to DN250. The designation “LN”
indicates that the ball segment is equipped with a network of bars that are used to split
up the pressure drop across the valve. This results in less pressure recovery, thereby
reducing the noise and potential damage due to cavitation.
Note! Capacity factors will be reduced for valves with LN-trim.
Ball segment DN50 to DN250 with V-groove is available for use at high fiber concentrations. The V-groove design prevents dewatering at small opening angles.
The SOMAS valves are delivered ready for installation and operation. The valve
assemblies are delivered factory tested as complete units with actuators, positioners and
accessories.

V-port MC

Low noise