Belimo G250S-N+NFB24-SR-X1
SKU: CS3356541MPN: G250S-N+NFB24-SR-X1
Globe Valve (GV), 2”, 2-way, ANSI Class 250, Cv 40 |Valve Actuator, Spring return, AC/DC 24 V, 2...10 V, modulating
Product Details
Globe Valve (GV), 2”, 2-way, ANSI Class 250, Cv 40 |Valve Actuator, Spring return, AC/DC 24 V, 2...10 V, modulating
Attributes
| Control | modulating |
| Valve Size | 2” [50] |
| Cv | 40.0 |
| Flow Pattern | 2-way |
| Fail-Safe | Spring Return |
| Valve Trim | Stainless steel |
| Nominal Voltage | AC/DC 24 V |
| Close-Off Pressure ∆Ps | 250 psi |
| Transformer Sizing | 6 VA (class 2 power source) |
| Enclosure | UL Enclosure Type 2 |
| Pressure Independent | NO |
| Power Supply | 24 VAC, ±20%, 50/60 Hz, 24 VDC, -10% / +20% |
| Power Consumption In Operation | 3.5 W |
| Power Consumption In Rest Position | 2.5 W |
| Electrical Connection | 18 GA appliance cable, 3 ft [1 m], with ½” conduit connector |
| Overload Protection | electronic throughout 0…95° rotation |
| Operating Range | 2…10 V, 4…20 mA w/ ZG-R01 (500 Ω, ¼ W resistor) |
| Position Feedback | 2…10 V, Max. 0.5 mA |
| Angle Of Rotation | 95°, |
| Direction Of Motion Motor | selectable with switch 0/1 |
| Position Indication | Mechanical |
| Running Time (Motor) | 95 s |
| Running Time Fail-Safe | <20 s |
| Ambient Humidity | max. 95% r.H., non-condensing |
| Ambient Temperature | -22…122°F [-30…50°C] |
| Storage Temperature | -40…176°F [-40…80°C] |
| Fluid | chilled or hot water, up to 60% glycol, steam |
| Controllable Flow Range | stem up - open A – AB |
| Pipe Connection | NPT female ends |
| Ansi Class | 250 |
| Maximum Inlet Pressure (Steam) | 100 psi [690 kPa] |
| Max Differential Pressure (Steam) | 50 psi [345 kPa] |
| Rangeability Sv | 100:1 |
| Fluid Temp Range (Water) | 20…338°F [-7…170°C] |
| Degree Of Protection Iec/En | IP54 |
| Degree Of Protection Nema/Ul | NEMA 2 |
| Connection | cable |
| Cv Range [Gpm] | 17…47 |
| Pipe Connection Type | internal thread |
| Kvs Range [M³/H] | 15…40 m³/h |
| Flow Characteristic | modified equal percentage |
| Servicing | repack kits available |
| Valve Body | Bronze |
| Valve Plug | Stainless steel AISI 316 |
| Stem | 316 stainless steel |
| Seat | Stainless steel AISI 316 |
| Stem Seal | EPDM O-ring |
| Housing Material | Galvanized steel and plastic housing |
| Nominal Voltage Dc | 24 V |
| Nominal Voltage Ac | 24 V |
| Noise Level, Motor | 50 dB(A) |
| Body Pressure Rating | ANSI Class 250, up to 400 psi below 150°F |
| Quality Standard | ISO 9001 |
| Fluid Temp Range (Steam) | 32…338°F [0…170°C] |
| Maximum Differential Pressure (Water) | 50 psi [345 kPa] |
| Noise Level, Fail-Safe | 62 dB(A) |
| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU; Listed to UL 2043 - suitable for use in air plenums per Section 300.22© of the NEC and Section 602.2 of the IMC |
| Fail-Safe Function | Spring return |
| Control Type Web | DC 2…10 V |
| Fail-Safe | YES |
Specifications
| SKU | CS3356541 |
|---|---|
| MPN | G250S-N+NFB24-SR-X1 |
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