Spring Return Valve Actuators: Precise Control with Spring-Assisted Action
Midwest Supply offers a comprehensive selection of spring return valve actuators from Belimo, a trusted brand known for its high-quality and reliable HVAC components. Spring return actuators provide a fail-safe mechanism, ensuring the valve returns to a safe position in case of power loss.
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![Belimo B312+LF24-SR US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | 2-10V | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_2798b526-91ce-4813-9cab-95f93d44d244_medium.png?v=1723860943)
B312+LF24-SR US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | 2-10V | Belimo
Brand: Belimo
SKU: B312+LF24-SR US
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![Belimo B312+LF24-S US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_9aba55e5-cd6b-497c-b815-f38f85bf8a22_medium.png?v=1723860942)
B312+LF24-S US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | On/Off | SW | Belimo
Brand: Belimo
SKU: B312+LF24-S US
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![Belimo B312+LF24-MFT-S US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | MFT | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_dafbcea3-fa30-4376-8224-3654d95fa73f_medium.png?v=1723861113)
B312+LF24-MFT-S US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | MFT | SW | Belimo
Brand: Belimo
SKU: B312+LF24-MFT-S US
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![Belimo B312+LF24-MFT US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | MFT | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_cda7b979-b630-4103-b635-0071453ea238_medium.png?v=1723860899)
B312+LF24-MFT US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | MFT | Belimo
Brand: Belimo
SKU: B312+LF24-MFT US
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![Belimo B312+LF24-3 US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | Floating | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_3c52c74f-2978-4e28-8e27-f5691756a694_medium.png?v=1723861108)
B312+LF24-3 US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | Floating | Belimo
Brand: Belimo
SKU: B312+LF24-3 US
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![Belimo B312+LF24 US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | On/Off | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_882a81a8-5228-4208-85b1-644822bbf69d_medium.png?v=1723860925)
B312+LF24 US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B312+LF24 US
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![Belimo B312+LF120-S US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 120V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_5ae9d940-ed3b-4481-a999-de42efbfe124_medium.png?v=1723860967)
B312+LF120-S US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 120V | On/Off | SW | Belimo
Brand: Belimo
SKU: B312+LF120-S US
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![Belimo B312+LF120 US CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 120V | On/Off | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_2fb1ce90-d5cc-4ae2-9179-021289aa9921_medium.png?v=1723860909)
B312+LF120 US | CCV | 0.5" | 3 Way | 3 Cv | w/ Spg Rtn | 120V | On/Off | Belimo
Brand: Belimo
SKU: B312+LF120 US
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![Belimo B311B+TFRX24-3-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web-product_887c74af-660e-4fbe-ab73-01eeba81550c_medium.jpg?v=1723860911)
B311B+TFRX24-3-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: B311B+TFRX24-3-S
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![Belimo B311B+TFRX120-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web-product_0fb11e21-0e3d-478b-8ff1-722c8bff8591_medium.jpg?v=1723860953)
B311B+TFRX120-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: B311B+TFRX120-S
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![Belimo B311B+TFRB24-SR-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_ac37adfc-3a90-43da-8048-48a9d8beab55_medium.png?v=1723860848)
B311B+TFRB24-SR-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | SW | Belimo
Brand: Belimo
SKU: B311B+TFRB24-SR-S
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![Belimo B311B+TFRB24-SR CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_7209b911-328e-4d7f-a5f7-73a3bcb87d86_medium.png?v=1723860904)
B311B+TFRB24-SR | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | Belimo
Brand: Belimo
SKU: B311B+TFRB24-SR
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![Belimo B311B+TFRB24-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_387006f4-912d-4bde-b48f-f1a671c980d7_medium.png?v=1723860879)
B311B+TFRB24-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | SW | Belimo
Brand: Belimo
SKU: B311B+TFRB24-S
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![Belimo B311B+TFRB24-3-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web-product_7185fe32-6949-4033-8cfe-d37169484c05_medium.jpg?v=1723860939)
B311B+TFRB24-3-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: B311B+TFRB24-3-S
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![Belimo B311B+TFRB24-3 CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_d1f44893-9ab6-4451-bd2e-9dc2e4cc17bd_medium.png?v=1723860844)
B311B+TFRB24-3 | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | Belimo
Brand: Belimo
SKU: B311B+TFRB24-3
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![Belimo B311B+TFRB24 CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_f98d72f1-6509-4d6c-a194-dda1559c53fb_medium.png?v=1723860846)
B311B+TFRB24 | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B311B+TFRB24
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![Belimo B311B+TFRB120-S CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web-product_59a0980d-96d1-4f75-8935-495684a45110_medium.jpg?v=1723860894)
B311B+TFRB120-S | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: B311B+TFRB120-S
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![Belimo B311B+TFRB120 CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_TFR-web_aa2e8f08-18ef-42d3-ba3e-de5532b4adf1_medium.png?v=1723860867)
B311B+TFRB120 | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 100-240V | On/Off | Belimo
Brand: Belimo
SKU: B311B+TFRB120
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![Belimo B311B+LF24-SR-S US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_de4a96f4-dace-4dd2-8606-57169aa7a36f_medium.png?v=1723860856)
B311B+LF24-SR-S US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | SW | Belimo
Brand: Belimo
SKU: B311B+LF24-SR-S US
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![Belimo B311B+LF24-SR US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_586702b6-0aff-4a21-b100-6d08a2bd2a3b_medium.png?v=1723860871)
B311B+LF24-SR US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | 2-10V | Belimo
Brand: Belimo
SKU: B311B+LF24-SR US
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![Belimo B311B+LF24-S US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_17f792c8-5b02-4db1-8e12-ba3661ca10f3_medium.png?v=1723860842)
B311B+LF24-S US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | SW | Belimo
Brand: Belimo
SKU: B311B+LF24-S US
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![Belimo B311B+LF24-3 US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_005c90f5-cd02-4dfb-9721-890ad60c3d51_medium.png?v=1723860863)
B311B+LF24-3 US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | Floating | Belimo
Brand: Belimo
SKU: B311B+LF24-3 US
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![Belimo B311B+LF24 US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_d1a04145-6778-42db-9880-7df53fa3b17d_medium.png?v=1723860840)
B311B+LF24 US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B311B+LF24 US
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![Belimo B311B+LF120-S US CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 120V | On/Off | SW | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/B3_LF_web_fa8cf721-a04d-4a08-9d11-5b370e4aac46_medium.png?v=1723860846)
B311B+LF120-S US | CCV | 0.5" | 3 Way | 1.9 Cv | w/ Spg Rtn | 120V | On/Off | SW | Belimo
Brand: Belimo
SKU: B311B+LF120-S US
Control Valves Type
Actuator Type
Control Input
Cv / GPM
- 0.29 Cv
- 0.3 Cv
- 0.4 Cv
- 0.46 Cv
- 0.73 Cv
- 0.8 Cv
- 1 Cv
- 1.16 Cv
- 1.2 Cv
- 1.3 Cv
- 1.86 Cv
- 1.9 Cv
- 10 Cv
- 108 Cv
- 11 Cv
- 11.6 Cv
- 110 Cv
- 115 Cv
- 12.8 Cv
- 120 Cv
- 13.2 Cv
- 130 Cv
- 14 Cv
- 15 Cv
- 150 Cv
- 154 Cv
- 16 Cv
- 170 Cv
- 177 Cv
- 18.56 Cv
- 19 Cv
- 190 Cv
- 195 Cv
- 196 Cv
- 2 Cv
- 2.2 Cv
- 2.5 Cv
- 2.9 Cv
- 20 Cv
- 207 Cv
- 210 Cv
- 24 Cv
- 240 Cv
- 248 Cv
- 25 Cv
- 263 Cv
- 28 Cv
- 29 Cv
- 3 Cv
- 3.5 Cv
- 30 Cv
- 34 Cv
- 344 Cv
- 350 Cv
- 37 Cv
- 4 Cv
- 4.4 Cv
- 4.55 Cv
- 4.64 Cv
- 4.7 Cv
- 40 Cv
- 41 Cv
- 43 Cv
- 46 Cv
- 48 Cv
- 5 Cv
- 5.5 Cv
- 51 Cv
- 55 Cv
- 57 Cv
- 6.4 Cv
- 6.75 Cv
- 60 Cv
- 65 Cv
- 68 Cv
- 7.31 Cv
- 7.4 Cv
- 7.5 Cv
- 70 Cv
- 75 Cv
- 77 Cv
- 8 Cv
- 83 Cv
- 84 Cv
- 85 Cv
- 87 Cv
- 9.28 Cv
- 90 Cv
- 91 Cv
Spring Return
Torque
Valve Size
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as experts in Spring Return Valve Actuators
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