R276B-0754 GIACOMINI | Alldatasheet

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Technical content

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com PRODUCT CODE CONNECTIONS ELECTRICAL POWER SUPPLY TO ACTUATOR (CODE) R276BX006 G 1-1/4”F x G 1-1/4”F (DN32)

230 V (spare part code: K272Y101)

R276BX026 24 V (spare part code: K272Y102) R276BX007 G 1-1/2”F x G 1-1/2”F (DN40) R276BX027 24 V (spare part code: K272Y102) R276BX008 G 2”F x G 2”F (DN50) R276BX028 24 V (spare part code: K272Y102)  Versions and product codes R276B Motorized 2-way zone valve Datasheet 0754EN  03/2024 The zone valves are devices for intercepting the heating fluid which, driven by an actuator controlled by a thermostat or by a clock, allow for the subdivision of air conditioning systems in sectors which are similar from the point of view of room temperature control. The R276B 2-way zone valves are supplied with insulation and actuator, with the possibility for manual control.

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Technical data Valve

  • Fluids of use: water, water and glycol (max. 50 %)
  • Temperature range (valve + actuator): -5÷110 °C
  • Nominal pressure (PN): 40 bar
  • Maximum differential pressure: 16 bar
  • Actuator connection: ISO 5211 - F03 for R276BX006, R276BX026 - F05 for R276BX007, R276BX027, R276BX008, R276BX028 Materials
  • Body, ball, command stem: brass CW617N
  • Gaskets: FPM and PTFE
  • Insulation: expanded crosslinked polyethylene Actuator
  • Type of command: ON/OFF
  • Rotation angle: 90°
  • Opening time: 60 s
  • Maximum torque: 18 Nm
  • Electricity absorption: 6 W
  • Auxiliary microswitch for end stop (contact flow rate): 6 (1) A
  • Protection class: II
  • Insulation class: IP65
  • Ambient operating temperature range: -5÷55 °C
  • Ambient humidity range: 95 %
  • Storage temperature range: -20÷70 °C Losses of pressure ∆p [bar] Q [m3/h] 1,0 0,1 0,01 10 100 1000 1-1/4” 1-1/2” 2” PRODUCT CODE CONNECTIONS Kv R276BX006 G 1-1/4”F 89 R276BX026 R276BX007 G 1-1/2”F 244 R276BX027 R276BX008 G 2”F 280 R276BX028

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Installation The R276B valve must be assembled horizontally or vertically, with the cover facing upwards. It must be installed in a dry, protected place that can easily be accessed for any necessary maintenance work. Do not cover the actuator with insulating materials. To initiate the actuator manually, keep the “A” red button pressed down and turn the “B” red knob to the desired position. B A Manual actuator control  Operation Position of the stem during opening or closing of the valve CLOSED OPEN

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Product specifications R276B 2-way zone valve with insulation and 24 V or 230 V actuator depending on version, with the possibility of manual command. Connections: G 1-1/ 4”F, G 1-1/2”F, G 2”F. Body, ball, command stem in brass CW617N. Gaskets in FPM. Insulation in expanded crosslinked polyethylene. Temperature range (valve + actuator): -5÷110 °C. Nominal pressure (PN): 40 bar. Maximum differential pressure: 16 bar. Actuator connection: ISO 5211. Compatible fluids: water, water and glycol (max. 50 %). Type of command on actuator: ON/OFF. Opening time: 60 s. Actuator insulation class: IP65. Ambient operating temperature range for actuator: -5÷55 °C. Ambient humidity range for actuator: 95 %.  Dimensions PRODUCT CODE CONNECTIONS G (DN) FLANGE CONNECTION A [mm] I [mm] B [mm] J [mm] S [mm] H [mm] P [mm] [mm] [mm] [mm] [mm] X [mm] Y [mm] Ø A2 [mm] [mm] [mm] R276BX006 G 1-1/4”F (DN32) F03 110 52 83 50 65 50 9 163 130 157 76 36 9 M5 125 90 80 R276BX026 R276BX007 G 1-1/2”F (DN40) F05 120 59 102 62 80 55 10 182 142 157 76 50 11 M6 130 110 95 R276BX027 R276BX008 G 2”F (DN50) F05 140 68 117 69 96 70 10 197 149 157 76 50 11 M6 150 120 110 R276BX028 Valve Valve and actuator A I G G J B P S H X Y Ø A I G G S A1 S1 H S2A2 Insulation  Reference Standards

  • EC mark
  • Directive EMC 2014/30/EC
  • Low Voltage Directive 2014/35/EC  Package Disposal. Carton boxes: paper recycling. Plastic bags and bubble wrap: plastic recycling.  Product Disposal. Do not dispose of product as municipal waste at the end of its life cycle. Dispose of product at a special recycling platform managed by local authorities or at retailers providing this type of service.  Safety Warning. Installation, commissioning and periodical maintenance of the product must be carried out by qualified operators in compliance with national regulations and/or local standards. A qualified installer must take all required measures, including use of Individual Protection Devices, for his and others’ safety. An improper installation may damage people, animals or objects towards which Giacomini S.p.A. may not be held liable.  Additional information. For more information, go to giacomini.com or contact our technical at any time, without notice and for technical or commercial reasons, the items included herewith. The information included in this technical sheet do not exempt the user from strictly complying with the rules and good practice standards in force.