TA-Modulator

IMI TA
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​​​​​​​ Pressure independent balancing and control valve for modulating control The new uniquely shaped EQM characteristics provide highly precise temperature control. The valve is compatible with linear, proportional or 3-point actuators. A built-in differential pressure controller provides high control authority, control stability and automatic limitation of design flow. Measurement of flow and available pressure enables system optimisation and diagnostics.

Precise temperature control

Provide uniquely shaped EQM characteristic for best modulating control.

Precise control

Uniquely shaped EQM characteristic provides an up to 6 times larger operating stroke than linear valves.

Quick hydronic balancing

Automatic flow limitation when actuator is fully open protects entire system against overflows.

Easy troubleshooting

Flow and differential pressure measuring helps to reduce pump consumption and provides all necessary data for system diagnostics.

Technical description

Application:

Heating and cooling systems.

Functions:

Control EQM: DN 15-125 normal flow
Control LIN: DN 100-125 high flow
Pre-setting (max. flow)
Differential pressure control
Measuring (ΔH, t, q)
Isolation (for use during system maintenance – see "Leakage rate")

Dimensions:

DN 15-125

Pressure class:

DN 15-50: PN 16
DN 65-125: PN 16, PN 25

Differential pressure (ΔpV):

Max. differential pressure (ΔpVmax):
DN 15-32: 600 kPa = 6 bar
DN 15-25: 400 kPa = 4 bar*
DN 40-50: 400 kPa = 4 bar
DN 65-125: 800 kPa = 8 bar
Min. differential pressure (ΔpVmin):
DN 15-20: 15 kPa = 0.15 bar
DN 25-32: 23 kPa = 0.23 bar
DN 40-125: 30 kPa = 0.30 bar
DN 100-125 HF: 55 kPa = 0.55 bar
(Valid for maximum setting, fully open. Other settings will require lower differential pressure, check with the software HySelect.)

ΔpVmax = The maximum allowed pressure drop over the valve to fulfill all stated performances.

ΔpVmin = The minimum recommended pressure drop over the valve, for proper differential pressure control.

*) With Δp insert in PPS.

Flow range:

The flow (qmax) can be set within the range:

DN 15: 92 - 480 l/h
DN 20: 200 - 975 l/h
DN 25: 340 - 1750 l/h
DN 32: 720 - 3600 l/h
DN 40: 1000 - 6500 l/h
DN 50: 2150 - 11200 l/h
DN 65: 4150 - 24100 l/h
DN 80: 5850 - 37300 l/h
DN 100: 11700 - 51700 l/h
DN 100 HF: 18000 - 75900 l/h
DN 125: 15000 - 77300 l/h
DN 125 HF: 23300 - 127000 l/h

qmax = l/h at each setting and fully open valve plug.

Temperature:

DN 15-32, DN 65-125:
Max. working temperature: 120°C
Min. working temperature: -20°C
DN 15-25 with Δp insert in PPS, DN 40-50:
Max. working temperature: 90°C
Min. working temperature: -10°C

Media:

Water or neutral fluids, water-glycol mixtures (0-57%).

(For other media contact IMI Hydronic Engineering.)

Lift:

DN 15-20: 4 mm
DN 25-32: 6,5 mm
DN 40-50: 15 mm
DN 65-125: 20 mm

Rangeability:

DN 15-32: >75
DN 40-80: >125
DN 100-125: >150
DN 100-125 HF: >125

Leakage rate:

Leakage flow ≤ 0.01% of max. qmax (max. setting) and correct flow direction. (Class IV according to EN 60534-4).

Characteristics:

Uniquely shaped EQM, best suited for modulating control.
DN 100-125 HF: Linear.

Material:

DN 15-32:
Valve body: AMETAL®
Valve insert: AMETAL® and PPS
Valve plug: Stainless steel
Spindle: Stainless steel
Spindle seal: EPDM O-ring
Δp insert: PPS and AMETAL® or PPS
Membrane: EPDM
Springs: Stainless steel
O-rings: EPDM
DN 40-50:
Valve body: AMETAL®
Valve insert: AMETAL®
Valve plug: AMETAL® and PTFE
Spindle: Stainless steel
Spindle seal: EPDM O-ring
Δp insert: PPS
Membrane: EPDM
Springs: Stainless steel
O-rings: EPDM
DN 65-125:
Valve body: Ductile iron EN-GJS-400
Valve insert: Ductile iron EN-GJS-400 and brass
Valve plug: Stainless steel and EPDM O-ring
Valve seat: Stainless steel
Spindle: Stainless steel
Spindle seal: EPDM
Δp insert: Ductile iron EN-GJS-400, stainless steel and brass.
Membrane: Reinforced EPDM
Springs: Stainless steel
O-rings: EPDM


AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.

Surface treatment:

DN 32-50: Non treated
DN 65-125: Electrophoretic painting

Marking:

Black identification ring on measuring point: TA-Modulator and DN.
DN 15-32: TA, IMI, PN, DN and flow direction arrow. Grey setting wheel.
DN 40-50: IMI TA, PN, DN, inch size, country of origin and flow direction arrow. Orange setting wheel.
DN 65-125: IMI TA, DN, inch size, material and flow direction arrow. Label with technical specification, country of origin and CE. Orange setting wheel.

Connection:

DN 15-50: Male thread according to ISO 228.
DN 65-125: Flanges according to EN-1092-2, type 21. Face to face length according to EN 558, series 1.

Connection to actuator:

DN 15-32: M30x1.5, push
DN 40-50: M30x1.5, push/pull
DN 65-125: 2xM8, push/pull

Actuators:

DN 15-20:
TA-Slider 160, EMO TM, EMO 3 (3-point).
DN 25-32:
TA-Slider 160, TA-MC50-C* (3-point).
DN 40-50:
TA-Slider 500, TA-Slider 750* (3-point).
DN 65-125:
TA-Slider 750 (3-point), TA-MC100 FSE/FSR (fail-safe).
DN 100-125 HF:
TA-Slider 750 (3-point) ΔpV ≤ 4 bar, TA-Slider 1250 (3-point) ΔpV ≤ 8 bar, TA-MC100 FSE/FSR (fail-safe).

*) Adapter needed - see "Adapters for actuators".

For more details on actuators, see separate technical leaflets.

Articles

DN 15-25 – Temperature -10 – +90°C, ΔpV max. 400 kPa

Male threads according to ISO 228.

DN
D
L
H1
H2
B
qmax
[l/h]
Kg
EAN
Article No
15
G3/4
74
55
55
54
480
0,54
7318794027008
52 164-315
20
G1
85
64
55
64
975
0,69
7318794027107
52 164-320
25
G1 1/4
93
64
67
64
1750
0,79
7318794027206
52 164-325

*) Connection to actuator.

→ = Flow direction

DN 15-32 – Temperature -20 – +120°C, ΔpV max. 600 kPa

Male threads according to ISO 228.

DN
D
L
H1
H2
B
qmax
[l/h]
Kg
EAN
Article No
15
G3/4
74
55
55
54
480
0,60
7318794033405
52 164-415
20
G1
85
64
55
64
975
0,75
7318794033504
52 164-420
25
G1 1/4
93
64
67
64
1750
0,90
7318794033603
52 164-425
32
G1 1/2
117
78
70
78
3600
1,5
7318794027305
52 164-332

*) Connection to actuator.

→ = Flow direction

DN 40-50 – Temperature -10 – +90°C, ΔpV max. 400 kPa

Male threads according to ISO 228.

DN
D
L
H
B
qmax
[l/h]
Kg
EAN
Article No
40
G2
187
132
88
6500
3,5
7318794030602
52 164-340
50
G2 1/2
196
135
88
11200
3,9
7318794030701
52 164-350

*) Connection to actuator.

→ = Flow direction

DN 65-125 – Temperature -20 – +120°C, ΔpV max. 800 kPa

Flanges according to EN-1092-2, type 21.

DN
Number of
bolt holes
D
L
H
qmax
[m3/h]
Kg
EAN
Article No
PN 16
65
4
185
290
249
24,1
18
3831112533271
322021-11001
80
8
200
310
260
37,3
22
3831112533318
322021-11101
100
8
220
350
280
51,7
33
3831112535527
322021-11200
100 HF
8
220
350
280
75,9
33
3831112535565
322021-11203
125
8
250
400
287
77,3
45
3831112535602
322021-11300
125 HF
8
250
400
287
127
45
3831112535640
322021-11303
PN 25
65
8
185
290
249
24,1
18
3831112533288
322021-11002
80
8
200
310
260
37,3
22
3831112533325
322021-11102
100
8
235
350
280
51,7
34
3831112535534
322021-11201
100 HF
8
235
350
280
75,9
34
3831112535572
322021-11204
125
8
270
400
287
77,3
47
3831112535619
322021-11301
125 HF
8
270
400
287
127
47
3831112535657
322021-11304

*) Connection to actuator.

→ = Flow direction

Connections

With female thread

Threads according to ISO 228.

Thread length according to ISO 7-1.

Swivelling nut

Brass/AMETAL®

Valve DN
D
D1
L*
EAN
Article No
15
G3/4
G1/2
21
7318794016903
52 163-015
20
G1
G3/4
23
7318794017009
52 163-020
25
G1 1/4
G1
23
7318794017108
52 163-025
32
G1 1/2
G1 1/4
31
7318794017207
52 163-032
40
G2
G1 1/2
30
7318794032705
52 163-040
50
G2 1/2
G2
32
7318794032804
52 163-050

With male thread

Threads according to ISO 7-1.
Swivelling nut

Brass

Valve DN
D
D1
L*
EAN
Article No
15
G3/4
R1/2
29
4024052516612
0601-02.350
20
G1
R3/4
32,5
4024052516810
0601-03.350
25
G1 1/4
R1
35
4024052517015
0601-04.350
32
G1 1/2
R1 1/4
38,5
4024052517213
0601-05.350

Welding connection

Swivelling nut

Brass/Steel 1.0045 (EN 10025-2)

Valve DN
D
Pipe DN
L*
EAN
Article No
15
G3/4
15
36
7318792748509
52 009-015
20
G1
20
40
7318792748608
52 009-020
25
G1 1/4
25
40
7318792748707
52 009-025
32
G1 1/2
32
40
7318792748806
52 009-032
40
G2
40
45
7318792748905
52 009-040
50
G2 1/2
50
50
7318792749001
52 009-050

Soldering connection

Swivelling nut

Brass/gunmetal CC491K (EN 1982)

Valve DN
D
Pipe Ø
L*
EAN
Article No
15
G3/4
15
13
7318792749308
52 009-515
15
G3/4
16
13
7318792749407
52 009-516
20
G1
18
15
7318792749506
52 009-518
20
G1
22
18
7318792749605
52 009-522
25
G1 1/4
28
21
7318792749704
52 009-528
32
G1 1/2
35
26
7318792749803
52 009-535
40
G2
42
30
7318792749902
52 009-542
50
G2 1/2
54
35
7318792750007
52 009-554

Connection with smooth end

For connection with press coupling
Swivelling nut

Brass/AMETAL®

Valve DN
D
Pipe Ø
L*
EAN
Article No
15
G3/4
15
39
7318793810601
52 009-315
20
G1
18
44
7318793810700
52 009-318
20
G1
22
48
7318793810809
52 009-322
25
G1 1/4
28
53
7318793810908
52 009-328
32
G1 1/2
35
59
7318793811004
52 009-335
40
G2
42
70
7318793811103
52 009-342
50
G2 1/2
54
80
7318793811202
52 009-354

Compression connection

Support bushes shall be used, for more information see catalogue leaflet FPL.

Should not be used with PEX pipes.

Brass/AMETAL®

Chrome plated

Valve DN
D
Pipe Ø
L**
EAN
Article No
15
G3/4
15
27
7318793705006
53 319-615
15
G3/4
18
27
7318793705105
53 319-618
15
G3/4
22
27
7318793705204
53 319-622

*) Fitting length (from the gasket surface to the end of the connection).

**) Over all length L refers to unassembled coupling.

Accessories

Grip for setting wheel, optional

For better grip when presetting.
For TA-COMPACT-P/-DP and TA-Modulator (DN 15-32).

Colour
EAN
Article No
Orange
7318794040502
52 164-950

Protection cap

For TA-COMPACT-P/-DP, TA-Modulator (DN 15-20), TBV-C/-CM.

EAN
Article No
Red
7318793961105
52 143-100

Tamper proof cover

Set containing plastic cover and locking ring for valves with connection M30x1.5 to thermostatic head/actuator.
Prevents manipulation of setting.

Suitable for DN 15-32.

EAN
Article No
7318794030206
52 164-100

Insulation

For heating/comfort cooling.
Material: EPP.
Fire class:
DN 15-32: E (EN 13501-1), B2 (DIN 4102).
DN 40-50: F (EN 13501-1), B3 (DIN 4102).

Valve DN
L
H1
H2
D
EAN
Article No
15
100
61
71
84
7318794027404
52 164-901
20
118
67
79
90
7318794027503
52 164-902
25
127
71
84
104
7318794027602
52 164-903
32
154
85
99
124
7318794027701
52 164-904
40
277
105
-
131
7318794030800
52 164-905
50
277
105
-
131
7318794030909
52 164-906

Spindle extension for DN 15-20

Recommended together with the insulation to minimize the risk of condensation at the valve-actuator interface.
M30x1,5.

L
EAN
Article No
Plastic, black
30
4024052165018
2002-30.700

Measuring point, extension 60 mm

Can be installed without draining of the system.
AMETAL®/Stainless steel/EPDM

For all dimensions.

L
EAN
Article No
60
7318792812804
52 179-006

Venting extension

Suitable when insulation is used.
Stainless steel/EPDM/Brass.

AMETAL®

Valve DN
d
H
EAN
Article No
40-50
M10x1
32
7318794033702
52 164-301

Venting plug

Spare part.

AMETAL®

Valve DN
EAN
Article No
40-50
7318794033801
52 164-302

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