Images are representational. Actual product may vary slightly from this image.

EV250S-127+AKRX24-EV

Energy Valve & Actuator
Belimo | Part Number: EV250S127AKRX24EV
$4,612.65
Belimo energy vale and electronic fail-safe actuator combo. 2.5" Valve size with 38-127 GPM flow rate. 24V supply for actuator. See Data Sheet for technical data for actuator.
Ships in 3-4 business days
Back
The Energy Valve measures energy using its built-in electronic flow sensor and supply and return temperature sensors. Controls power with its Power Control logic providing linear heat transfer regardless of temperature and pressure variations. An IoT device manages low delta t syndrome and mesures glycol with built-in algorithms.
Back

EV0250S-127 Technical Data

Service
chilled or hot water, up to 60% glycol max (open loop/steam not allowed)

Flow Characteristic
equal percentage or linear

GPM Range
38-127

Valve Size
2.5“ [65]

End Fitting
pattern to mate with ANSI 125 flange

Body
cast iron - GG25/p>

Sensor Housing
ductile iron - GGG50

Ball
stainless steel

Stem
stainless steel

Stem Packing
EPDM (lubricated)

Seat
PTFE

Seat O-ring
EPDM

Characterized Disc
stainless steel

Body Pressure Rating
ANSI Class 125, standard class B

ANSI Class
125

Media Temperature Range (Water)
14°F to 250°F [-10°C to 120°C]

Conductivity of Fluid
Min. 20uS/cm

Differential Pressure Range
5 to 50 psid or 1 to 50 psid see flow reductions chart in tech doc

Close-Off Pressure
100 psi

Inlet Length to Meet Specified Measurement Accuracy
5X nominal pipe size (NPS)

Ambient Humidity
Less then 95% RH non-condensing

Flow Measurement Tolerance
±2%

Flow Control Tolerance
±5%

Flow Measurement Repeatability
±0.5%

Sensor Technology
electromagnetic

Temperature Sensors
PT1000 insertion sensors with thermal well

Temperature Measurement Tolerance
According to PT1000 DIN EN60751 ClassB

Resolution of Temperature Sensor
0.18°F (0.1°C)

Rated Impulse Voltage
actuator/sensor: 0.8 kV (in accordance with EN60730-1) kV

Housing
NEMA 1, UL Enclosure Type 1

Weight
51.8.2 lb

Remote Temperature Sensor Length
Optional: 4.9 ft. [1.5m], 9.8 ft. [3m], 16.4 ft. [5m] Standard: 32.8 ft. [10m]

Leakage
0%

Back
EV250S-127_DS.pdf
See MoreSee Less