IMI TA TA-FUS1ON-C User manual

TA-FUS1ON-C

Combined control & balancing

valves

With independent EQM

characteristics

IMI TA / Control valves / TA-FUS1ON-C

TA-FUS1ON-C

These innovative balancing and control valves for heating and cooling

systems combine the key hydronic functions of balancing and control in

one valve. Adjustable Kvs and inherent independent EQM characteristics

allow correct valve sizing and optimum system controllability. The

measuring points enable accurate measurement of ﬂow, dierential

pressure, temperature and available dierential pressure.

Key features

> Adjustable Kvs

Allows correct Kvs setting

corresponding to system

requirements.

> Independent, inherent EQM

characteristic

Proper EQM valve characteristic for all

settings.

> Self-sealing measuring points

Simple and accurate measurement for

balancing, trouble shooting and power

measurement.

> Actuators

Valves and actuators supplied together

ensuring optimum control performance

and simpliﬁed selection.

Technical description – Valve

Application:

Heating and cooling systems.

Functions:

Control (EQM)

Balancing

Pre-setting (Kvs)

Measuring (ΔpV, ΔH, T, q)

Shut-o (for isolation during system

maintenance)

Dimension:

DN 32-150

Pressure class:

DN 32-50: PN 16

DN 65-150: PN 16 and PN 25

Max. dierential pressure (ΔpVmax):

400 kPa = 4 bar

ΔpVmax = The maximum allowed pressure

drop over the valve, to fulﬁll all stated

performances.

Recommended setting range (Kvmax):

DN 32: 2,68 - 12,9

DN 40: 3,03 - 18,5

DN 50: 8,03 - 33,0

DN 65-2: 24,3 - 64,3

DN 80-2: 38,1 - 100

DN 100: 57,4 - 160

DN 125: 97,4 - 270

DN 150: 146 - 400

Kvmax = m³/h at a pressure drop of 1 bar

at each setting and fully open valve plug.

Lift:

20 mm

Rangeability:

>100 (for all recommended settings)

Leakage rate:

Tight sealing

Characteristics:

Independent EQM.

Temperature:

Max. working temperature: 120°C

Min. working temperature: -20°C

Media:

Water or neutral ﬂuids, water-glycol

mixtures.

(For other media contact IMI Hydronic

Engineering.)

Material:

DN 32-50:

Valve body: AMETAL®

Valve plug: AMETAL®

Seat seal: EPDM/Stainless steel

Spindle seal: EPDM O-ring

O-rings: EPDM

Valve insert: AMETAL®/PPS/PTFE

Springs: Stainless steel

Spindle: Stainless steel

DN 65-150:

Valve body: Ductile iron EN-GJS-400

Valve plug: Stainless steel

Seat seal: EPDM/Stainless steel

O-rings: EPDM

Plug mechanism: Stainless steel and

brass

Screws and nuts: Stainless steel

AMETAL®is the dezinciﬁcation resistant

alloy of IMI Hydronic Engineering.

Surface treatment:

DN 32-50: Non treated

DN 65-150: Electrophoretic painting.

Marking:

DN 32-50: TAH, IMI, DN, PN, DR, serial No and ﬂow direction

arrow.

DN 65-150: TAH, IMI, DN, PN, Kvs, Tmin/max, serial number, valve

body material and ﬂow direction arrow, label.

CE-marking:

DN 65-125: CE

DN 150: CE 0062 *

*) Notiﬁed body.

Connection:

DN 32-50:

Female thread according to ISO 228. Thread length according

to ISO 7-1.

Male thread according to ISO 228.

DN 65-150:

Flanges according to EN-1092-2, type 21. Face to face length

according to EN 558 series 3.

Valve characteristics

Nominal valve characteristic for all recommended settings.

Measuring accuracy

Maximum ﬂow deviation at dierent settings

DN 32-50 DN 65-150

*) Setting (%) of fully open valve.

100

0102030405060708090

100

h [%

]

Kv/Kv

max

[%]

20 30 40 50 60 70 80 90 10

0 *)

±[%]

100

20 30 40 50 60 70 80 90 100 *)

±[%]

100

IMI TA / Control valves / TA-FUS1ON-C

Correction factors

The ﬂow calculations are valid for water (+20°C). For other

liquids with approximately the same viscosity as water

(≤20 cSt = 3°E=100S.U.), it is only necessary to compensate for

the speciﬁc density. However, at low temperatures, the viscosity

increases and laminar ﬂow may occur in the valves. This causes

a ﬂow deviation that increases with small valves, low settings

and low dierential pressures. Correction for this deviation can

be made with the software HySelect or directly in our balancing

instruments.

Noise

In order to avoid noise in the installation the ﬂows must be

correctly balanced and the water de-aerated.

Very high dierential pressures can cause noise in the

installations, and in that case, dierential pressure controllers

should be used.

The maximum recommended pressure drop in order to avoid

excessive noise is 200 kPa.

Actuators

A wide range of high performance proportional actuators are

available from IMI Hydronic Engineering (e.g. 24V, 100-240V,

230V, fail safe) to provide accurate modulating or 3-point

control, when used together with combined balancing and

control valves. See “Selection tables”.

For more details on actuators, see separate technical leaﬂets or

contact IMI Hydronic Engineering.

Sizing

When ΔpV and ﬂow are known, use the formula to calculate

Kvmax.

Example

Flow is 10 m3/h, ΔpV is 35 kPa and control signal (input signal)

0-10 VDC.

1. Go to sizing diagram. (When calculating the Kvmax by the

formula go directly to step 4).

2. Draw a straight line between 10 m3/h and 35 kPa.

3. Read the needed Kvmax value where the line crosses the Kv-

axis. In this case Kvmax=16,9.

4. Draw a horizontal line from Kvmax 16,9, which will cross the

setting bars for all valves which ﬁt the application. In this case

DN 40 setting 9,5, DN 50 setting 5,0.

5. Choose the smallest option (with some safety margin). In this

case DN 50 is preferable.

6. Go to the selection tables to select the correct valve and

actuator combination. In this case article number

322205-50911 (24 V).

Note

If the required ﬂow falls outside the scale of the diagram, the

reading can be made as follows: Use the design ΔpV and draw

the line to a ﬂow that is 0,1 or 10 times the design ﬂow, getting

Kvmax in the same relation (either 0,1 or 10 times needed).

Following the previous example

35 kPa and 10 m3/h gives Kvmax=16,9

35 kPa and 1 m3/h gives Kvmax=1,69

35 kPa and 100 m3/h gives Kvmax=169

Sizing diagram

DN 65-150: Recommended setting range 7.5–10 (≈40–100% of Kvs).

IMI TA / Control valves / TA-FUS1ON-C

Selection tables

Maximum recommended pressure drop (ΔpV) for valve

and actuator combination

The maximum recommneded pressure drop over the valve and

actuator combination for close o (ΔpVclose) and to fulﬁll all stated

performances (ΔpVmax). For detailed information on maximum

closing o pressure, see “Closing force”.

ΔpVclose = The maximum pressure drop that the valve can

close against from an opened position, with a speciﬁed force

(actuator) without exceeding stated leakage rate.

ΔpVmax = The maximum allowed pressure drop over the valve, to

fulﬁll all stated performances.

DN TA-Slider

750

TA-Slider

1250

TA-MC100

FSE/FSR

[kPa] [kPa] [kPa]

32 400 – 400

40 400 – 400

50 400 – 400

65 400 – 400

80 400 – 400

100 400 – 400

125 400 – 400

150 200 400 400

The codes in the selection tables are for dierent sets of valve

size (DN) and type of actuator. Valves and actuators supplied

together ensures optimum control and simpliﬁed selection. For

other combinations order valve and actuator separately, see

“Articles – Valves” and “Articles – Actuators”.

For more details on actuators, see separate technical leaﬂets or

contact IMI Hydronic Engineering.

Article number: 322205-xxxxx / 22106-xxxxxx

To get the complete article number, simply add the code stated

below according to your required set.

Example: 322205-50711

With standard actuators

TA-Slider 750 TA-Slider 750 TA-Slider 1250 TA-Slider 1250

Input signal: 0(2)-10 VDC, 0(4)-20 mA, 3-point, on-o

Output signal: 0(2)-10 VDC

Supply voltage: 24 VAC/VDC 100-240 VAC 24 VAC/VDC 100-240 VAC

Fail safe: No

DN PN Kvs 322205-

32 16 12,9 50711 50721 – –

40 16 18,5 50811 50821 – –

50 16 33,0 50911 50921 – –

65-2 16 64,3 51011 51021 – –

65-2 25 64,3 61011 61021 – –

80-2 16 100 51111 51121 – –

80-2 25 100 61111 61121 – –

100 16 160 51211 51221 – –

100 25 160 61211 61221 – –

125 16 270 51311 51321 – –

125 25 270 61311 61321 – –

150 16 400 – – 51431 51441

150 25 400 – – 61431 61441

DN 32-50: Female threaded

DN 65-150: Flanged

With fail safe actuators

TA-MC100FSE TA-MC100FSE TA-MC100FSR TA-MC100FSR

Input signal: 0(2)-10 VDC, 0(4)-20 mA,

3-point 3-point 0(2)-10 VDC, 0(4)-20 mA,

3-point 3-point

Output signal: 0(2)-10 VDC, 0(4)-20 mA 0-10 VDC 0(2)-10 VDC, 0(4)-20 mA 0-10 VDC

Supply voltage: 24 VAC 230 VAC 24 VAC 230 VAC

Fail safe: Extending (closing) Retracting (opening)

DN PN Kvs 22106-

32 16 12,9 081032 101032 091032 111032

40 16 18,5 081040 101040 091040 111040

50 16 33,0 081050 101050 091050 111050

65-2 16 64,3 082065 102065 092065 112065

65-2 25 64,3 083065 103065 093065 113065

80-2 16 100 082080 102080 092080 112080

80-2 25 100 083080 103080 093080 113080

100 16 160 082100 102100 092100 112100

100 25 160 083100 103100 093100 113100

125 16 270 082125 102125 092125 112125

125 25 270 083125 103125 093125 113125

150 16 400 082150 102150 092150 112150

150 25 400 083150 103150 093150 113150

DN 32-50: Female threaded

DN 65-150: Flanged

Kvmax values

Positions

12345678910

DN 32 2,68 3,15 3,75 4,45 5,37 6,51 7,93 9,55 11,1 12,9

DN 40 3,03 3,63 4,53 5,70 7,07 8,88 11,1 13,0 15,4 18,5

DN 50 8,03 9,74 11,9 14,4 17,0 20,0 23,3 27,3 30,4 33,0

Positions

5.5 6 6.5 77.5 88.5 99.5 10

DN 65-2 12,6 14,9 17,6 20,6 24,3 28,8 34,5 41,8 51,4 64,3

DN 80-2 19,8 23,2 27,4 32,2 38,1 45,2 54,5 65,9 81,2 100

DN 100 29,1 34,5 40,9 48,4 57,4 68,6 82,6 101 125 160

DN 125 49,5 58,6 69,4 82,1 97,4 116 140 170 212 270

DN 150 74,5 88,1 104 123 146 173 208 253 314 400

DN 65-150: Recommended setting range 7.5–10 (≈40–100% of Kvs).

Kvmax = m³/h at a pressure drop of 1 bar at each setting and fully open valve plug.

IMI TA / Control valves / TA-FUS1ON-C

Closing force

Necessary force (F) to close the valve versus the dierential pressure (ΔpVclose), without exceeding stated leakage rate.

ΔpVclose = The maximum pressure drop that the valve can close against from an opened position, with a speciﬁed force (actuator)

without exceeding stated leakage rate.

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

F [N]

∆pV

Pa]

100

200

300

400

500

600

700

800

300400 500600 700800 900100011001200

DN 80 65 100 32-50 125 150

1300

∆pVma

TA-Slider 750

TA-Slider 1250

TA-MC100FSE/FSR

Installation

Application examples

2-way direct circuit

Injection circuit

Normal pipe ﬁttings

Avoid mounting taps and pumps immediately before or after the

valve.

Installation recommendation for accurate measurement due to

distortion of fully developed turbulent ﬂow proﬁle.

Flow direction

DN 32-50 DN 65-150

Installation of actuator

Approx. 140 mm of free space is required above the actuator.

Ingress protection

IP54

Note: Read carefully the installation instruction of the actuator.

TA-Slider 750/TA-Slider 1250

TA-MC100 FSE/FSR

TA-FUSION-C

2D 2D5D 10D

>140

DN 32-50

DN 65-150

DN 32-50

DN 65-150

IMI TA / Control valves / TA-FUS1ON-C

Operating function DN 32-50

Setting

1. Open the valve fully with the handwheel.

2. Press the handwheel downwards and turn to desired value,

e.g. 5.3.

Shut-o

1. Turn the handwheel to “Closed”.

Turn the handwheel to “Open” when re-opening the valve.

Measuring ΔpV and q

Connect IMI Hydronic Engineering balancing instrument to the

measuring points. Input the valve type, size and setting and the

actual ﬂow is displayed.

Measuring ΔH

Connect IMI Hydronic Engineering balancing instrument to the

measuring points. Close the valve according to “Shut-o” and

measure. Important! The valve must be re-opened fully after

the measurement is completed.

NOTE!

Ensure that the actuator is disengaged from the valve spindle

during all operating functions described above.

Operating function DN 65-150

Setting

1. Release the ﬁxing nut.

2. Turn the setting screw to desired value on the scale, e.g. 9.2.

3. Tighten the ﬁxing nut.

Shut-o

1. Release the ﬁxing nut.

2. Turn the setting screw clockwise to stop (position 0 ±0.5).

The presetting is visible on the setting scale.

3. Tighten the ﬁxing nut.

Open to previous setting when re-opening the valve.

Measuring ΔpV and q

Connect IMI Hydronic Engineering balancing instrument to the

measuring points. Input the valve type, size and setting and the

actual ﬂow is displayed.

Measuring ΔH

Connect IMI Hydronic Engineering balancing instrument to the

measuring points. Close the valve according to “Shut-o” and

measure.

Important! The valve must be re-opened to previous setting

after the measurement is completed.

NOTE!

Ensure that the actuator is disengaged from the valve spindle

during all operating functions described above.

∆H

∆pV

∆H

∆pV

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