B311+TR24-3/500 US
Details
Details
B311+TR24-3/500 US 1/2 in. 3-Way Characterized Control Valve, Non-Spring Return Actuator, On/Off or Floating, 24 VAC, 5 m (16 ft) Plenum Cable
Controls chilled or hot water, up to 60% glycol. Does not work as a changeover valve.
Holds position on power loss. Runs on 24 VAC or 24 VDC.
Key Features
- Cv: 1.9
- Close-off pressure: 200 psi
- Ball: stainless steel
- Stem: stainless steel
- Running Time (Motor): 90 s / 90 deg
Product Specifications
| Manufacturer | Belimo |
|---|---|
| Model | B311TR243500US (B311+TR24-3/500 US) |
| Valve | B311 |
| Valve size | 0.5" (15) |
| Fluid | chilled or hot water, up to 60% glycol |
| Fluid Temp Range (water) | 0 to 250 deg F (-18 to 120 deg C) |
| Body Pressure Rating | 600 psi |
| Close-off pressure | 200 psi |
| Flow | A-port: as stated in chart; B-port: 70% of A-AB Cv |
| Flow characteristic | A-port equal percentage, B-port modified for constant common port flow |
| Leakage rate | 0% for A-AB, <2.0% for B-AB |
| Pipe connection | Internal thread NPT (female) |
| Servicing | maintenance-free |
| Flow Pattern | 3-way Mixing/Diverting |
| Controllable flow range | 75 deg |
| Cv | 1.9 |
| Valve body | Nickel-plated brass body |
| Stem | stainless steel |
| Stem seal | EPDM (lubricated) |
| Seat | PTFE |
| Characterized disc | TEFZEL |
| O-ring | EPDM (lubricated) |
| Ball | stainless steel |
| Suitable actuators, non-spring return | TR, LRB(X), LRQB(X), NRB(X) N4 |
| Suitable actuators, spring return | TFRB(X), LF |
| Dimensions with TR actuator | A 3.7 in. (95 mm), B 2.4 in. (60 mm), C 4.8 in. (122 mm), D 4.2 in. (107 mm), E 1.3 in. (33 mm), F 1.2 in. (31 mm) |
| Valve weight | 0.59 lb (0.27 kg) |
| Flow/Mounting details | This valve is not suitable for use as a change over valve. |
| Actuator | TR24-3/500 US |
| Actuator type | On/Off, Non fail-safe, 24 V |
| Nominal voltage | AC 24 V |
| Nominal voltage frequency | 50/60 Hz |
| Nominal voltage range | AC 19.2 to 28.8 V |
| Power consumption in operation | 1 W |
| Transformer sizing | 1 VA |
| Electrical Connection | 18 AWG plenum cable, 5 m (16 ft) |
| Overload Protection | electronic throughout full rotation |
| Manual override | push down handle |
| Angle of rotation | 90 deg |
| Running Time (Motor) | 90 s / 90 deg |
| Noise level, motor | 35 dB(A) |
| Position indication | integrated into handle |
| Power source UL | Class 2 Supply |
| Degree of protection IEC/EN | IP40 |
| Degree of protection NEMA/UL | NEMA 1 |
| Housing | UL Enclosure Type 1 |
| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02 CE acc. to 2014/30/EU and 2014/35/EU |
| Quality Standard | ISO 9001 |
| UL 2043 Compliant | Suitable for use in air plenums per Section 300.22(C) of the NEC and Section 602 of the IMC |
| Ambient humidity | Max. 95% RH, non-condensing |
| Ambient temperature | -22 to 122 deg F (-30 to 50 deg C) |
| Storage temperature | -40 to 176 deg F (-40 to 80 deg C) |
| Wiring diagrams | On/Off; Floating Point |