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Published by , 2017-02-05 19:18:25

R2+LF24-3 (MODULATING)

R2+LF24-3 (MODULATING)

R2..xx-S..

Characterised control valve, 2-way, Internal thread
• For open and closed cold and warm water systems
• For modulating water-side control of air handling units

and heating systems
• Air bubble tight

Type overview Type kvs DN Rp PN n(gl) Sv min.
Technical data [ m³/h] [ ]
R2015-P25-S1 [”] [ ] [ ] []
R2015-P4-S1
R2015-P63-S1 0.25 15 1/2 40 3.2 50
R2015-1-S1 0.4 15 1/2 40 3.2 50
R2015-1P6-S1 0.63 15 1/2 40 3.2 50
R2015-2P5-S1 1 15 1/2 40 3.2 50
R2015-4-S1 1.6 15 1/2 40 3.2 50
R2015-6P3-S1 2.5 15 1/2 40 3.2 50
R2020-4-S1 4 15 1/2 40 3.2 100
R2020-6P3-S1 6.3 15 1/2 40 3.2 100
R2025-6P3-S2 4 20 3/4 40 3.2 100
R2025-10-S2 6.3 20 3/4 40 3.2 100
R2032-10-S2 6.3 25 1 40 3.2 100
R2032-16-S2 10 25 1 40 3.2 100
R2032-20-S2 10 32 1 1/4 25 3.2 100
R2040-16-S2 16 32 1 1/4 25 3.2 100
R2040-25-S2 20 32 1 1/4 25 3.2 100
R2050-25-S3 16 40 1 1/2 25 3.2 100
R2050-40-S3 25 40 1 1/2 25 3.2 100
25 50 2 25 3.2 100
Functional data Media 40 50 2 25 3.2 100

Medium temperature Cold and warm water, water with glycol up to
Medium temperature note max. 50% vol.
-10...120°C
Closing pressure ∆ps The allowed media temperature can be limited,
Differential pressure ∆pmax depending on the type of actuator. Limitations
Differential pressure note can be found in the respective data sheets of
Flow characteristic the actuators.
1400kPa
Materials Leakage rate 350kPa
Pipe connectors 200kPa for low-noise operation
Angle of rotation Equal percentage (VDI/VDE 2178), optimised in V8.5 07.2016• Subject to modification
Installation position the opening range
Maintenance Leakage rate A, air-bubble-tight (EN 12266-1)
Internal thread according to ISO 7-1
Housing 90° (Operating range 15...90°)
Closing element Upright to horizontal (in relation to the stem)
Stem Maintenance-free
Stem seal
Valve seat Brass body nickel-plated
Characterising disc Stainless steel
Stainless steel
O-ring EPDM
PTFE, O-ring EPDM
TEFZEL
R2032-20-S2 has no characterising disc

10 UL marked actuators is optional, please contact your local Sales Representative for details.

Characterised control valve, 2-way, Internal thread R2..xx-S..

Safety notes

• The valve has been designed for use in stationary heating, ventilation and air-conditioning

! systems and is not allowed to be used outside the specified field of application, especially
in aircraft or in any other airborne means of transport.

• Only authorised specialists may carry out installation. All applicable legal or institutional
installation regulations must be complied during installation.

• The valve does not contain any parts that can be replaced or repaired by the user.

• The valve may not be disposed of as household refuse. All locally valid regulations and
requirements must be observed.

• When determining the flow rate characteristic of controlled devices, the recognised
directives must be observed.

Product features The characterised control valve is adjusted by a rotary actuator. The actuator is controlled
Mode of operation by a commercially available modulating or 3-point control system and moves the ball of the
valve – the throttling device – to the position dictated by the positioning signal. Open the
Flow characteristic characterised control valve counterclockwise and close it clockwise.

Equal percentage flow control is ensured by the integrated characterising disc.

Accessories Description Type
Mechanical accessories
Pipe connector to ballvalves DN 15 Rp 1/2“ ZR2315
Pipe connector to ballvalves DN 20 Rp 3/4“ ZR2320
Pipe connector to ballvalves DN 25 Rp 1“ ZR2325
Pipe connector to ballvalves DN 32 Rp 1 1/4“ ZR2332
Pipe connector to ballvalves DN 40 Rp 1 1/2“ ZR2340
Pipe connector to ballvalves DN 50 Rp 2“ ZR2350

Installation notes The ball valve can be installed upright to horizontal. The ball valve may not be installed in a
Recommended installation positions hanging position, i.e. with the stem pointing downwards.

90° 90°

Water quality requirements The water quality requirements specified in VDI 2035 must be adhered to.
Maintenance Belimo valves are regulating devices. For the valves to function correctly in the long term,
they must be kept free from particle debris (e.g. welding beads during installation work).
Flow direction The installation of suitable strainer is recommended.

Ball valves and rotary actuators are maintenance-free.
Before any kind of service work is carried out on the actuator, it is essential to isolate the
rotary actuator from the power supply (by unplugging the electrical cable). Any pumps in
the part of the piping system concerned must also be switched off and the appropriate
slide valves closed (allow everything to cool down first if necessary and reduce the system
pressure to ambient pressure level).
The system must not be returned to service until the ball valve and the rotary actuator have
been properly reassembled in accordance with the instructions and the pipeline has been
refilled in the proper manner.

The direction of flow, specified by an arrow on the housing, is to be complied with, since
otherwise the ball valve could become damaged. Please ensure that the ball is in the
correct position (marking on the spindle).

V8.5 07.2016• Subject to modification AA

AB AB

A – AB = 100% A – AB = 0%

UL marked actuators is optional, please contact your local Sales Representative for details. 11

R2..xx-S.. Characterised control valve, 2-way, Internal thread

Dimensions [mm]
Dimensional drawings

Disc for Characterised Control Valve

L1: Maximum screwing depth. L1
The actuator dimensions can be found on the
respective actuator data sheet. DN Rp L L1 H Weight approx.
[ kg]
Type [] [”] [ mm] [ mm] [ mm]
0.24
R2015-P25-S1 15 1/2 67 13 35 0.24
R2015-P4-S1 0.24
R2015-P63-S1 15 1/2 67 13 35 0.24
R2015-1-S1 0.24
R2015-1P6-S1 15 1/2 67 13 35 0.30
R2015-2P5-S1 0.30
R2015-4-S1 15 1/2 67 13 35 0.30
R2015-6P3-S1 0.37
R2020-4-S1 15 1/2 67 13 35 0.37
R2020-6P3-S2 0.55
R2025-6P3-S2 15 1/2 67 13 44 0.55
R2025-10-S2 0.7
R2032-10-S2 15 1/2 67 13 44 0.8
R2032-16-S2 0.8
R2032-20-S2 15 1/2 67 13 44 0.95
R2040-16-S2 0.95
R2040-25-S2 20 3/4 79 14 44 1.5
R2050-25-S3 1.5
R2050-40-S3 20 3/4 79 14 44
* R2032-20-S2 has no characterising disc
25 1 87 16 46

25 1 87 16 46

32 1 1/4 105 19 46

32 1 1/4 105 19 46

32 1 1/4 105 19 50.5

40 1 1/2 111 19 50.5

40 1 1/2 111 19 50.5

50 2 125 22 56

50 2 125 22 56

12 UL marked actuators is optional, please contact your local Sales Representative for details. V8.5 07.2016• Subject to modification

L(R)F..

• Mechanical Fail-Safe Rotary 2-way DN25
Actuators for: 3-way DN25...32 CCV
4Nm
• Torque: L(R)F24-SR (AC/DC 24V)
• Modulating control: LF24-3 (AC/DC 24V)
• 3-point control: LRF24(-S) (AC/DC 24V)
• Open/Close control: LRF230(-S) (AC 230V)

Technical data

Basic technical data Torque Min. 4Nm @ nominal voltage
90°
L(R)F24-SR Angle of rotation Selected by mounting side of L/R
LF24-3 Selected by mounting side of L/R or reversing
Direction of rotation-motor Motor: max. 45dB(A), spring return: max. 62dB(A)
LRF24(-S) Mechancial
LRF230(-S) -spring return ~150s (L(R)F24-SR) ; 40...75s (LF24-3, LRF24(-S), LRF230(-S))
~20s (-5...+50°C) / ~ 60s (-30°C)
Sound power level -30...+50°C
-40...+80°C
Position indicator +5...+100°C (in control ball valve)
5...95% RH, non-condensing
Running time -motor IP54
CE according to 2004/108/EC
-spring return Maintenance-free
Linkage included in LRF..
Ambient temp. AC 19.2...28.8V, 50/60Hz / DC 21.6...28.8V
2.5W @ nominal torque
Non-operation temp. 1W
5VA
Temp. of medium Cable 1m, 4x0.75mm²
DC (0)2...10V @ input impedance 100kΩ
Humidity DC 2...10V
III (Extra-low voltage)
Degree of protection 1.4kg
AC 19.2...28.8V, 50/60Hz / DC 21.6...28.8V
EMC 2.5W @ nominal torque
1W
Maintenance 5VA
Cable 4m, 3x0.75mm²
Linkage III (Extra-low voltage)
1.4kg
Nominal voltage range AC 19.2...28.8V, 50/60Hz / DC 21.6...28.8V
5W @ nominal torque
Power consumption -running 2.5W
7VA
-holding Cable 1m, 2x0.75mm²
Cable 1m, 6x0.75mm²
For transformer sizing III (Extra-low voltage)
2XSPDT, 1mA...3(0.5)A, AC 250V, fixed at 10° , 85°
Connecting cable 1.4kg
AC 198...264V, 50/60Hz
Control signal Y 5W @ nominal torque
3W
Position feedback signal U 7VA
Cable 1m, 2x0.75mm²
Protection class Cable 1m, 6x0.75mm²
II (Totally insulated)
Weight 2XSPDT, 1mA...3(0.5)A, AC 250V, fixed at 10° , 85°
CE according to 2006/95/EC
Nominal voltage range Approx. 1.4kg

Power consumption -running

-holding

For transformer sizing

Connecting cable

Protection class

Weight

Nominal voltage range

Power consumption -running

-holding

For transformer sizing

Connecting cable -motor

-S

Protection class

Auxiliary switch (LRF24-S)

Weight

Nominal voltage range

Power consumption -running

-holding

For transformer sizing

V8.5 07.2016• Subject to modification Connecting cable -motor

-S

Protection class

Auxiliary switch (LRF230-S)

Low voltage directive

Weight

UL marked actuators is optional, please contact your local Sales Representative for details. 95

L(R)F..

Product features Simple direct mounting on the Ball Valve using only one screw.

Simple direct mounting LRF.. have manual operation with integral position stop.
Manual operation
The actuator is overload-proof, needs no limit switches and stops automatically at
High function reliability the end stops.

Wiring diagram

L(R)F24-SR Modulating control

AC 24V~T CCW Mounting side CW
– + DC 24V~T Reversible switch
1 1
~T .8
~T .8
Y DC (0)2...10V .6
~T DC 2...10V .6
.4 0 .4
.2 .2

L 0R

U

Notes: RL RL
•Connection via safety isolating transformer.
•Other actuators can be connected in parallel. ! 123 5 Y=0 Y=0 Y=0 Y=0
Please note the performance data.
–+Y U L(R)F24-SR

LF24-3 3-point control CCW Mounting side CW
AC 24V
1 1
– + DC 24V .8 .8
ab
.6 0 .6
1 23 4 .4
.4 .2
.2
0R
L

Notes: ab Reversible switch
•Connection via safety isolating transformer. R L RL
•Other actuators can be connected in parallel. (Y1) (Y2)
Please note the performance data.
!

Stop Stop Stop Stop

– + Y1 Y2 LF24-3

LRF24(-S) Open/Close control

~T
AC 24V AC 24V
– + DC 24V – + DC 24V

Notes: ! 12 1 2 S1 S2 S3 S4 S5 S6
•Connection via safety isolating transformer. M
•Other actuators can be connected in parallel. LRF24 M <10° <85° LRF24-S
Please note the performance data.

LRF230(-S) Open/Close control
N L AC 230V
N L AC 230V

Notes: ! 12 1 2 S1 S2 S3 S4 S5 S6
•Caution: Power supply voltage! M
•Other actuators can be connected in parallel. V8.5 07.2016• Subject to modification
Please note the performance data.

LRF230 M <10° <85° LRF230-S

96 UL marked actuators is optional, please contact your local Sales Representative for details.


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