
B311B-LRB24-3-T Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $60.73 | Condition is New – Open box, BELIMO B311B / B311B (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $59.46 | Top Pick! Condition is New – Open box, BELIMO B311B / B311B (NEW NO BOX), shipping cost = $36.56 | 99.2% |
![]() | $48.99 | Condition is New – Open box, NEW NO TAG BELIMO AER B311 B 1/2" INCH FNPT F NPT STAINLESS SS 3 WAY BALL VALVE, shipping cost = $74.80 | 99.8% |
![]() | $49.99 | Condition is New – Open box, NEW BELIMO AER B311 B 1/2" INCH FNPT F NPT STAINLESS SS 3 WAY BALL VALVE USA, shipping cost = $74.80 | 99.8% |
![]() | $213.75 | Condition is New – Open box, Belimo 1/2" B311B+ TFRB24-SR CV 1.9, shipping cost = $17.56 | 100.0% |
![]() | $226.00 | Top Pick! Condition is New – Open box, BELIMO B311B+TR24-SR-T US / B311BTR24SRTUS (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $260.00 | Top Pick! Condition is New – Open box, BELIMO B311B+TR24-SR-T US / B311BTR24SRTUS (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.00 | Condition is New, Belimo B311B 1/2" 3-Way Characterized Control Valve Chrome Plated Brass 1.9 CV, shipping cost = $8.01 | 100.0% |
![]() | $92.02 | Condition is New, BELIMO B311B / B311B (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $109.99 | Condition is New, Belimo B311B 1/2" 3-Way Characterized Control Valve Chrome Plated Brass 1.9 CV, FREE SHIPPING | 100.0% |
![]() | $118.99 | Condition is New, Belimo B311B Characterized Control Valve (CCV), 1/2", 3-way, Cv 1.9 (L4), FREE SHIPPING | ![]() |
![]() | $119.89 | Condition is New, BELIMO B311 / B311 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $252.81 | Condition is New, BELIMO B311B+LRB24-3 / B311BLRB243 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $469.73 | Condition is New, BELIMO B311B+TFRB24-SR / B311BTFRB24SR (BRAND NEW), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $75.00 | Condition is Used, BELIMO B311B+TR24-SR US / B311BTR24SRUS Characterized Control 3way Valve, FREE SHIPPING | 100.0% |

The Belimo B311B LRB24-3-T Actuator is a versatile and reliable pneumatic actuator designed for use with 1/2 inch (15 mm) ball valves. This actuator is part of Belimo's B311B series, which is known for its precision and durability.
The actuator features a compact and robust design, with a body made of cast brass for improved rigidity and stability. The actuator head is made of stainless steel, ensuring long-lasting performance even in harsh environments. The actuator is also equipped with a double-sealed diaphragm, providing excellent air tightness and preventing leakage.
The Belimo B311B LRB24-3-T Actuator is available in various execution versions, including normally closed (NC), normally open (NO), and changeover (CO). The actuator can be easily mounted on the valve stem using the included mounting bracket, and it comes with a factory-set spring force to ensure proper valve operation.
The actuator's pneumatic connection is made using a threaded connection, with a UNF 24 thread size for compatibility with a wide range of compressed air systems. The actuator also comes with a built-in position feedback, allowing for easy integration with automation and control systems.
The Belimo B311B LRB24-3-T Actuator is designed to meet the highest industry standards for performance and reliability. It is suitable for use in various applications, including HVAC, process automation, and water and wastewater treatment. With its robust design, easy installation, and long-lasting performance, the Belimo B311B LRB24-3-T Actuator is an excellent choice for anyone in need of a high-quality pneumatic actuator for their 1/2 inch ball valve.
The Belimo B311B LRB24-3-T Actuator 1/2 Valve B311B2 is a pneumatic actuator designed for use with 1/2 inch valves. This actuator is known for its reliability, accuracy, and energy efficiency. Here are some pros and cons of buying this Belimo actuator:
Pros:1. High Precision and Accuracy: Belimo actuators are known for their high precision and accuracy. The B311B LRB24-3-T Actuator is no exception. It can provide precise control over the position of the valve, ensuring optimal system performance.
2. Energy Efficiency: Belimo actuators are designed to be energy efficient. The B311B LRB24-3-T Actuator features a torque motor that consumes less air than traditional diaphragm actuators. This can lead to significant energy savings over time.
3. Durable and Reliable: Belimo actuators are built to last. They are designed with high-quality materials and components that can withstand harsh operating conditions. The B311B LRB24-3-T Actuator is no exception. It is built to provide reliable and consistent performance, even in demanding applications.
4. Easy to Install and Maintain: The B311B LRB24-3-T Actuator is easy to install and maintain. It comes with a variety of mounting options, making it flexible for different installation configurations. The actuator also features a removable cover, making it easy to access internal components for maintenance.
5. Wide Range of Applications: The B311B LRB24-3-T Actuator is suitable for a wide range of applications, including HVAC, process control, and water and wastewater treatment. It can be used with various types of valves, including globe, ball, and butterfly valves.
Cons:1. Higher Initial Cost: Compared to other types of actuators, Belimo actuators can be more expensive. The B311B LRB24-3-T Actuator is no exception. However, the energy savings and long-term reliability can justify the higher initial cost.
2. Limited Compatibility with Certain Valve Types: The B311B LRB24-3-T Actuator may not be compatible with all types of valves. It is specifically designed for use with 1/2 inch valves. Other sizes may require different actuator models.
Conclusion:The Belimo B311B LRB24-3-T Actuator 1/2 Valve B311B2 is a high-performance, energy-efficient, and reliable actuator suitable for a wide range of applications. While it may have a higher initial cost compared to other actuators, the long-term energy savings, accuracy, and durability make it a worthwhile investment. If you are looking for a high-precision actuator for use with 1/2 inch valves, the Belimo B311B LRB24-3-T Actuator is a great option to consider.
Recommendation:If you are in the market for a new actuator for your 1/2 inch valve application, the Belimo B311B LRB24-3-T Actuator is definitely worth considering. Its high precision, energy efficiency, and durability make it a great investment for your system. While it may have a higher initial cost compared to other actuators, the long-term benefits make it a cost-effective solution.
Details:
Untitled document.
specifications maxohvac:
- brand: Belimo
- mpn: B311b
- part type: Actuator Valve
- unit type: Unit
- country of manufacture: United States
- unit quantity: One
seller maxohvac:
- rating: 99.3%
- city: san diego, california
- # reviews: 5065
returns maxohvac:
- paid by: seller
- time: 30 days
- method: money back
- policy: returns accepted
payments maxohvac:
- credit card: discover
- wallet: paypal
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- carrier: ups
- service: ups ground
- class: standard
- transit: 4-8 days
- type: calculated
offer maxohvac:
- availability: in stock
- options: ship-to-home
- best offers: true
- sold #: 25
- prices: $40.00–$469.73
- item condition:
- New – Open box
- New
- Used
- started: june 12, 2025
- in stock #: 5
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