CVS Series DBQ and DBAQ
Control Valves
Introduction
Contained in this manual are installation
instructions, maintenance and parts
information for the CVS DBQ and DBAQ Control
Valves. Refer to the appropriate manuals for
instructions for the accompanying actuator,
positioner and additional accessories.
Only trained or experienced personnel should
carry out the operation and installation of all
pressure equipment. If you have any questions
regarding the equipment, contact your CVS
Controls representative.
Applications and Features
The CVS Series DBQ and DBAQ Control Valves
are ideally suited for high pressure water and
steam applications, providing excellent pressure
and flow control. This design may be utilized in
both high pressure and high temperature
control service.
CVS Series DBQ is a globe style valve, while the
CVS Series DBAQ is an angle style valve, which
may be used in angle piping or self draining
applications.
Valve bodies are available in 1 or 2 inch sizes,
with casted flanged connections, and ASME
body ratings of Class 1500, or Class 2500. LCC,
WCB and CF8M are standard body materials.
Additional materials may be available upon
request.
Sour Service Capability
Optional NACE MRO175/ISO 15156-2009
Flow Characteristic
This designs flow characteristic is up through
the seat ring and out through the cage. The CVS
DBQ and DBAQ series valves are single port,
metal seated valves.
Figure 1:
2”
CVS Series DBAQ
INSTRUCTION MANUAL
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