V2000 Design
Thera Design Edition - TRV Body
WITH HIGH QUALITY SURFACE FOR DESIGN RADIATORS
PRODUCT DATA
Application
The Thera Design Edition is particularly styled for use with design radiators. With their high class appearance they perfectly
fit to all kinds of ambients.
Thermostatic radiator valve bodies (TRV bodies) are fitted on
the supply or return of radiators or heat exchangers. Together
W
G
E
R
Y
M
N
W
G
E
R
Y
M
N
A
Angle
W
G
E
R
Y
M
N
A
A
Straight
W
G
E
R
Y
M
N
A
with a radiator thermostat, for example the Thera-4, they control the room temperature by regulating the flow of hot water
into the radiator or heat exchanger. The temperature of different rooms is controlled individually and energy is saved.
TRV bodies of this type have quiet operation and are fitted to
the supply or return of radiators on two-pipe systems with medium flow rates.
The valve insert can be replaced while the system is running
and without draining using the service tool (see ‘Accessories’).
TRV bodies of this type are suitable for
• Honeywell radiator thermostats with M30 x 1.5 connection
and from an optical aspect especially the Thera-4 Design
series
Double angle right
Double angle left
Design
The design thermostatic radiator valve body consists of:
• Valve housing PN10, DN15 with
• external thread connection on inlet
• external thread connection with union-nut and radiator tailpiece on outlet
• Pre-settable valve insert
• Protection cap
Materials
• Valve housing made of brass with chrome or white (RAL
9016) surface
• Valve insert made of brass with EPDM O-rings and soft seals
and stainless steel spindle
• Protection cap made of plastic
• Union-nut and tailpiece made of chrome plated brass with
EPDM O-ring
Features
• Perfect finishing with high quality surface in chrome or
white (RAL9016)
• Varius versions in angle, straight and double angle
available to fit a visual appealing installation
• Including a chromed tail piece with integrated O-ring
• Bi-directional flow
• Pre-settable by stroke limitation
• For 2-pipe systems
• Standard M30 x 1.5 thermostat connection
• Connections for all types of pipework available
• Quiet operation
Specifications
Medium Water or glycol-water mixture,
quality to VDI 2035
pH-value 8…9,5
Operating temperature 2...130°C (36...266°F)
Operating pressure PN10
Differential pressure max. 1 bar (14.5 psi) –
max. 0.2 bar (2.9 psi) recommended
for quiet operation
kv(cv)-value 1.20 (1.40)
Thermostat connection M30 x 1.5
Closing dimension 11.5 mm
Stroke 2.5 mm
Honeywell y Subject to change EN0H-2108GE25 R0708
THERA DESIGN EDITION - TRV BODY
Function
Thermostatic radiator valves enable individual control of room
temperature and thus save energy.
The TRV body is controlled by the radiator thermostat. Air from
the room passing over the sensor of the radiator thermostat
causes the sensor to expand when the temperature rises. The
sensor acts onto the valve spindle and this causes the TRV
body to close. When the temperature falls the sensor contracts
and the spring-loaded valve spindle is opened. The TRV opens
in proportion to the temperature of the sensor. Only the amount
of water required to maintain the room temperature set on the
radiator thermostat can flow into the radiator.
Application Examples
Please Note:
• To avoid stone deposit and corrosion the composition of the
medium should conform with VDI-Guideline 2035
• Additives have to be suitable for EPDM sealings
• System has to be flushed thoroughly before initial operation
with all valves fully open
• Any complaints or costs resulting from non-compliance with
above rules will not be accepted by Honeywell
• Please contact us if you should have any special requirements or needs
Pre-setting
The TRV is open by factory setting. Pre-setting is done by first
closing the valve insert (head black with pre-setting-figure 0-9)
on top of the valve body 2 turns right and then opening to the
pre-setting-figure derived from the flow diagram.
NOTE: One complete turn refers to pre-setting-figure 10,
2 complete turns to pre-setting-figure 20 and so on.
Fig. 1. Angle version Fig. 2. Straight version Fig. 3. Double angle version
EN0H-2108GE25 R0708 2 Honeywell y Subject to change
Dimensions
THERA DESIGN EDITION - TRV BODY
D
L
24 x 19
h
H
Fig. 4. Angle Fig. 5. Straight
D
D
24 x 19
h
H
L
l
L
24 x 19
h
H
Fig. 6. Double angle
l
Ordering Information
Table 1. Dimensions and OS-Nos (OS=Ordering System)
Body type DN kvs(cv)-value l L h H D OS-No.
White, angle 15 1.20 (1.40) 55 25 51 Rp
Chrome, angle 15 1.20 (1.40) 55 25 51 Rp
White, straight 15 1.20 (1.40) 26 81 28 44 Rp 1/2" V2081DSL15
Chrome, straight 15 1.20 (1.40) 26 81 28 44 Rp 1/2" V2082DSL15
White, double angle right 15 1.20 (1.40) 26 55 29 45 Rp
Chrome, double angle right 15 1.20 (1.40) 26 55 29 45 Rp 1/2" V2082RSL15
White, double angle left 15 1.20 (1.40) 26 55 29 45 Rp 1/2" V2081LSL15
Chrome, double angle left 15 1.20 (1.40) 26 55 29 45 Rp
NOTE: All dimensions in mm unless stated otherwise.
1
/2" V2081ESL15
1
/2" V2082ESL15
1
/2" V2081RSL15
1
/2" V2082LSL15
Honeywell y Subject to change 3 EN0H-2108GE25 R0708
THERA DESIGN EDITION - TRV BODY
Accessories
Pipe Connections
Connection for copper pipe (1 pcs.)
24 x 19 x 12mm VA720C1200
Connection for PE-X pipe (1 pcs.)
Connection for multilayer pipe (1 pcs.)
24 x 19 x 14mm VA720C1400
24 x 19 x 15mm VA720C1500
24 x 19 x 16mm VA720C1600
24 x 19 x 12 x 1,1mm VA721C1211
24 x 19 x 14 x 2mm VA721C1420
24 x 19 x 16 x 1,5mm VA721C1615
24 x 19 x 16 x 2mm VA721C1620
24 x 19 x 18 x 2mm VA721C1820
24 x 19 x 14 x 2mm VA722C1420
24 x 19 x 16 x 2mm VA722C1620
24 x 19 x 18 x 2mm VA722C1820
24 x 19 x 20 x 2mm VA722C2020
Valve Accessories
Rosette white (RAL9016) for wall covering
Ø40 x 12mm VA2201D012
Ø40 x 14mm VA2201D014
Ø40 x 15mm VA2201D015
Ø40 x 16mm VA2201D016
Ø40 x 18mm VA2201D018
Ø40 x 20mm VA2201D020
Rosette chrome for wall covering
Ø40 x 12mm VA2201E012
Ø40 x 14mm VA2201E014
Ø40 x 15mm VA2201E015
Ø40 x 16mm VA2201E016
Ø40 x 18mm VA2201E018
Ø40 x 20mm VA2201E020
Manual design handwheel
White (RAL9016) VA2200C001
Chrome VA2200C002
Thera-4 Design radiator thermostat
white/white T2001
white/white with zero-position T2001W0
white/chrome T2021
white/chrome with zero-position T2021W0
chrome/chrome T2221
chrome/chrome with zero-positionT2221W0
Service Parts
Valve insert
Service tool to replace valve insert
for all sizes VA8200A001
VS1200SLGB01
EN0H-2108GE25 R0708 4 Honeywell y Subject to change
Flow Diagram
THERA DESIGN EDITION - TRV BODY
1K 2K 3K
5 7 open
Pre-setting 123457 open = k
vs
kvs(cv)-values DN15 0.25 (0.29) 0.50 (0.58) 0.70 (0.82) 0.90 (1.05) 1.00 (1.17) 1.10 (1.28) 1.20 (1.40)
NOTE: Pre-settings above 4 are unsuitable for operation with radiator thermostats and should only be used with actuators (open/
close operation).
P-Band 1K 2K 3K
kv-value 0.3 0.6 0.8
cv-value 0.35 0.70 0.94
Honeywell y Subject to change 5 EN0H-2108GE25 R0708
THERA DESIGN EDITION - TRV BODY
Environmental and Combustion Control
Honeywell GmbH
Hardhofweg
74821 Mosbach, Germany
Phone: +49 (6261) 810
Fax: +49 (6261) 81393
www.honeywell.com
EN0H-2108GE23 R0708
July 2008
© 2008 Honeywell International Inc.
Subject to change without notice
Manufactured for and on behalf of the Environmental and Combustion
Controls Division of Honeywell Technologies Sàrl, Ecublens, Route
du Bois 37, Switzerland or its authorized representative.
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