Product Overview
Technical data sheet G665C
www.belimo.com G665C • en-us • 2020-11-25 • Subject to change 1 / 2
Technical data
Functional data Valve Size 2.5" [65]
Fluid chilled or hot water, up to 60% glycol, steam
Fluid Temp Range (water) 32...338°F [0...138°C]
Fluid Temp Range (steam) 32...280°F [0...138°C]
Body Pressure Rating ANSI Class125, up to 175 psi below 150°F
Servicing repack/rebuild kits available
Rangeability Sv 85:1
Max Differential Pressure (Steam) 15 psi [103 kPa]
Flow Pattern 2-way
Controllable flow range stem up - open A – AB
Cv 65
Maximum Inlet Pressure (Steam) 35 psi [241 kPa]
ANSI Class 125
Body pressure rating note up to 175 psi below 150°F
Materials
Valve plug brass
Seat Stainless steel AISI 316
End fitting 125 lb flanged
Suitable actuators
Non-Spring EVB(X)
Electronic fail-safe AVKB(X)
Safety notes
• WARNING: This product can expose you to lead which is known to the State of California to cause cancer
and reproductive harm. For more information go to www.p65warnings.ca.gov
• The valve has been designed for use in stationary heating, ventilation and air-conditioning systems and
must not be used outside the specified field of application, especially in aircraft or in any other airborne
means of transport.
• Only authorised specialists may carry out installation. All applicable legal or institutional installation
regulations must be complied during installation.
• The valve does not contain any parts that can be replaced or repaired by the user.
• When determining the flow rate characteristic of controlled devices, the recognised directives must be
observed.