TA-Modulator – NPT threads/ANSI flanges

Pressure independent balancing and control valve for modulating control

The 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.

Technical SpecificationsTA-Modulator_NPT_ANSI_US_low.pdf

Product branding

Features and Benefits

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.

Applications

Heating and cooling systems.

Functions

Control EQM: 1/2" low flow, 3/8" - 8" normal flow

Control LIN: 2 1/2" - 8" high flow

Differential pressure control

Isolation (for use during system maintenance – see "Leakage rate")

Measuring (ΔH, t, q)

Pre-setting (max. flow)

Pressure class [PN]

3/8" - 2": PN 16 (230 psi)

2 1/2" - 8": Class 150

Flow range

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

3/8": 0.075 - 0.53 gpm

1/2" LF: 0.17 - 1.01 gpm

1/2": 0.41 - 2.11 gpm

3/4": 0.88 - 4.29 gpm

1": 1.50 - 7.71 gpm

1 1/4": 3.17 - 15.8 gpm

1 1/2": 4.40 - 28.6 gpm

2": 9.46 - 49.3 gpm

2 1/2": 18.3 - 106 gpm

2 1/2" HF: 32.8 - 161 gpm

3": 25.8 - 164 gpm

3" HF: 41.9 - 216 gpm

4": 51.5 - 228 gpm

4" HF: 79.3 - 334 gpm

5": 66 - 340 gpm

5" HF: 103 - 559 gpm

6": 115 - 555 gpm

6" HF: 171 - 837 gpm

8": 154 - 919 gpm

8" HF: 322 - 1447 gpm

qmax = gpm at each setting and fully open valve plug.

LF = Low flow

HF = High flow

Temperature

3/8" - 1" with Δp insert in PPS, 1 1/2" - 2": Max. working temperature: 194°F; Min. working temperature: 14°F

3/8" - 1 1/4": Max. working temperature: 248°F; Min. working temperature: -4°F

DN 40-50: Max. working temperature: 90°C, Min. working temperature: -10°C

2 1/2" - 8": Max. working temperature: 248°F; Min. working temperature: 14°F

Media

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

Characteristics

2 1/2" - 8" HF: Linear.

Independent shaped EQM.

Leakage rate

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

Lift

3/8" - 3/4": 0.157 in.

6": 1.181 in.

8": 1.279 in.

1" - 1 1/4": 0.256 in.

1 1/2" - 2": 0.590 in.

2 1/2" - 5": 0.787 in.

Rangeability

4" - 6": >150

4" - 6" HF: >125

3/8" - 1/2" LF: >50

1/2" - 1 1/4": >75

8": >125

8" HF: >125

1 1/2" - 3": >125

Actuators

*) Adapter to be ordered separately, see "Adapters for actuators".

4" - 5" HF: TA-Slider 750 ΔpV ≤ 58 psi, TA-Slider 1600 ΔpV ≤ 116 psi.

3/8" - 3/4": TA-Slider 160, EMO TM, TA-TRI, TA-ACTM (fail-safe).

6" - 8", 6" - 8" HF: TA-Slider 1600.

1"- 1 1/4": TA-Slider 160, TA-TRI, TA-MC50-C*.

1 1/2" - 2": TA-Slider 500, TA-Slider 750*.

2 1/2" - 5": TA-Slider 750.

For more details on actuators, see separate technical leaflets.

TA-Slider 160, 500, 750 and 1600 also available with fail-safe function.

Connection

Size 3/8" - 2": External thread according to ISO 228. Connections (accessories) with internal and external thread NPT according to ANSI/ASME B1.20.1-1983, or for soldering according to ASME/ANSI B16.18.

Size 2 1/2" - 8": Flanges according to ASME 7 ANSI B16.42 Class 150.

Connection to actuator

3/8" - 1 1/4": M30x1.5, push

1 1/2" - 2": M30x1.5, push/pull

2 1/2" - 8": 2xM8, push/pull

Material

Size 3/8" - 1 1/4":

Valve body: AMETAL®

Valve insert: AMETAL® and PPS

Valve plug: Brass CW724R (CuZn21Si3P)

Spindle: Stainless steel

Spindle seal: EPDM O-ring

Δp insert: PPS and AMETAL® or PPS

Membrane: EPDM

Springs: Stainless steel

O-rings: EPDM

Size 1 1/2" - 2":

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

Size 2 1/2" - 8":

Valve body: Ductile iron EN-GJS-400-15

Valve insert: Ductile iron EN-GJS-400-15 and brass

Valve plug: Stainless steel and EPDM O-ring

Valve seat: Aluminum bronze

Spindle: Stainless steel

Spindle seal: EPDM

Δp insert: Ductile iron EN-GJS-400-15, stainless steel and brass.

Membrane: Reinforced EPDM, 8" EPDM

Springs: Stainless steel

O-rings: EPDM

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

Surface treatment

Size 3/8" - 2": Non treated

Size 2 1/2" - 8": Electrophoretic painting

Certifications and directives

2 1/2” - 8”: CE, EAC, UKCA

The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.

Art. No.