Features & Benefits
Easy handling and installation
Very low weight and small overall proportions.
Precise and stable differential pressure control
Unrivaled accuracy thanks to the new PILOT technology.
Measuring and system diagnostics
Unique features to validate and better understand system behaviour to minimize energy consumption.
Technical Information
Application:
Heating and cooling systems.
Installation in the return pipe.
Functions:
Differential pressure control
Pre-setting Δp over the load (ΔpL)
Measuring (ΔpL)
Dimensions:
DN 65-200
Pressure class:
PN 16 and PN 25
Max. differential pressure (ΔpV):
1200 kPa
Setting range:
10* - 50 kPa
30* - 150 kPa
80* - 400 kPa
*) Delivery settings
Leakage rate:
Tight sealing
Temperature:
Max. working temperature:
- with measuring points, standard: 120°C
- with measuring points, double secured: 150°C
Min. working temperature: -10°C
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
Material:
Valve body: Ductile iron EN-GJS-400-15
Pilot extension body: Brass
Pilot body: AMETAL®
O-rings: EDPM rubber
Seat seal: EPDM/Stainless steel
Plug mechanism: Stainless steel and brass
Membrane: EPDM rubber
Springs: Stainless steel
Screws and nuts: Stainless steel
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Surface treatment:
Pilot body: Non treated
Valve body: Electrophoretic painting.
Marking:
TA, IMI, DN, PN, Kvs, Tmin/max, serial number, valve body material and flow direction arrow, label, ΔpL range.
Colour identification on top of the pilot:
10-50 kPa: Blue
30-150 kPa: Orange
80-400 kPa: Grey
CE-marking:
DN 65-125: CE
DN 150-200: CE 1370 *
*) Notified body.
Flanges:
PN 16, PN 25: According to EN-1092-2, type 21.
Face to face length according to EN 558 series 3.
Articles
Flanged
Flanges according to EN 1092-2, type 21.
1,2 m capillary pipe (Ø6 mm), capillary pipe connection Ø6xR1/4 (separate part) + Ø6xR1/8 (mounted on valve) and capillary pipe connection with shut-off Ø6xG3/8 are included.
PN 16
DN | Number of bolt holes | D | L | H1 | H2 | Kvm | qmax [m3/h] | Kg | EAN | Article No | |
10-50 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530140 | 23121-2111-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530232 | 23121-2111-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112530508 | 23121-2111-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112530591 | 23121-2111-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112530690 | 23121-2111-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112530782 | 23121-2111-200 | |
30-150 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530157 | 23121-2121-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530249 | 23121-2121-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112530515 | 23121-2121-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112530607 | 23121-2121-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112530706 | 23121-2121-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112530935 | 23121-2121-200 | |
80-400 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530164 | 23121-2131-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530256 | 23121-2131-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112530522 | 23121-2131-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112530614 | 23121-2131-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112530713 | 23121-2131-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112530942 | 23121-2131-200 |
PN 25
DN | Number of bolt holes | D | L | H1 | H2 | Kvm | qmax [m3/h] | Kg | EAN | Article No | |
10-50 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530171 | 23121-2211-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530263 | 23121-2211-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112530539 | 23121-2211-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112530621 | 23121-2211-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112530720 | 23121-2211-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112530959 | 23121-2211-200 | |
30-150 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530195 | 23121-2221-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530270 | 23121-2221-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112530546 | 23121-2221-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112530638 | 23121-2221-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112530737 | 23121-2221-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112530966 | 23121-2221-200 | |
80-400 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112530188 | 23121-2231-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112530287 | 23121-2231-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112530553 | 23121-2231-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112530645 | 23121-2231-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112530744 | 23121-2231-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112530973 | 23121-2231-200 |
Kvm = m3/h at a pressure drop of 1 bar and maximum opening corresponding to the p-band.
Flanged
Flanges according to EN 1092-2, type 21.
1,2 m capillary pipe (Ø6 mm), capillary pipe connection Ø6xR1/4 (separate part) + Ø6xR1/8 (mounted on valve) and capillary pipe connection with shut-off Ø6xG3/8 are included.
PN 16
DN | Number of bolt holes | D | L | H1 | H2 | Kvm | qmax [m3/h] | Kg | EAN | Article No | |
10-50 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531017 | 23121-2112-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531109 | 23121-2112-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112531192 | 23121-2112-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112531284 | 23121-2112-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112531376 | 23121-2112-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112531468 | 23121-2112-200 | |
30-150 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531024 | 23121-2122-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531116 | 23121-2122-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112531208 | 23121-2122-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112531291 | 23121-2122-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112531383 | 23121-2122-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112531475 | 23121-2122-200 | |
80-400 kPa | |||||||||||
65 | 4 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531031 | 23121-2132-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531123 | 23121-2132-080 | |
100 | 8 | 220 | 229 | 303 | 110 | 180 | 127 | 32 | 3831112531277 | 23121-2132-100 | |
125 | 8 | 250 | 254 | 313 | 125 | 270 | 191 | 42 | 3831112531307 | 23121-2132-125 | |
150 | 8 | 285 | 267 | 331 | 143 | 400 | 283 | 55 | 3831112531390 | 23121-2132-150 | |
200 | 12 | 340 | 292 | 361 | 170 | 600 | 424 | 84 | 3831112531482 | 23121-2132-200 |
PN 25
DN | Number of bolt holes | D | L | H1 | H2 | Kvm | qmax [m3/h] | Kg | EAN | Article No | |
10-50 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531055 | 23121-2212-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531130 | 23121-2212-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112531215 | 23121-2212-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112531314 | 23121-2212-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112531406 | 23121-2212-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112531499 | 23121-2212-200 | |
30-150 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531048 | 23121-2222-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531147 | 23121-2222-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112531222 | 23121-2222-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112531321 | 23121-2222-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112531413 | 23121-2222-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112531505 | 23121-2222-200 | |
80-400 kPa | |||||||||||
65 | 8 | 185 | 190 | 274 | 93 | 75 | 53 | 18 | 3831112531062 | 23121-2232-065 | |
80 | 8 | 200 | 203 | 281 | 100 | 110 | 78 | 21 | 3831112531161 | 23121-2232-080 | |
100 | 8 | 235 | 229 | 303 | 118 | 180 | 127 | 34 | 3831112531239 | 23121-2232-100 | |
125 | 8 | 270 | 254 | 313 | 135 | 270 | 191 | 45 | 3831112531338 | 23121-2232-125 | |
150 | 8 | 300 | 267 | 331 | 150 | 400 | 283 | 57 | 3831112531420 | 23121-2232-150 | |
200 | 12 | 360 | 292 | 361 | 180 | 600 | 424 | 88 | 3831112531512 | 23121-2232-200 |
Kvm = m3/h at a pressure drop of 1 bar and maximum opening corresponding to the p-band.
For working area less than Kv = 4.
Expansion vessel
For working area less than Kv = 4.
1,2 m capillary pipe (Ø6 mm), capillary pipe connection Ø6xR1/4 (separate part) + Ø6xR1/8 (mounted on valve) and capillary pipe connection with shut-off Ø6xG3/8 are included.
Factory set at 3 bar.
H | D | EAN | Article No |
266 | 90 | 3831112532052 | 23124-2542-001 |
Capillary pipe connection with shut-off
For replacement of existing measuring point on STAF/STAF-SG.
1 pc G3/8 included in TA-PILOT-R.
d | D | For DN | EAN | Article No |
G1/4 | 6 | 20-50 | 7318793999504 | 52 265-209 |
G3/8 | 6 | 65-400 | 7318793999405 | 52 265-208 |
Brass/EPDM
Venting screw
Brass/EPDM
d | EAN | Article No |
M6 | 3831112527980 | 52 759-211 |
Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
Measuring point, extension 60 mm
Can be installed without draining of the system.
AMETAL®/Stainless steel/EPDM
L | EAN | Article No |
60 | 7318792812804 | 52 179-006 |
Max 120°C (intermittent 150°C)AMETAL®/EPDM
Measuring point
Max 120°C (intermittent 150°C)
AMETAL®/EPDM
d | L | EAN | Article No |
M14x1 | 44 | 7318792813207 | 52 179-014 |
M14x1 | 103 | 7318793858108 | 52 179-015 |
For capillary pipe Ø6 mm with R1/4 or R1/8 connection.
Capillary pipe connection
For capillary pipe Ø6 mm with R1/4 or R1/8 connection.
1 pc 6xR1/4 included in TA-PILOT-R as a separate part. (Ø6xR1/8 mounted on valve).
EAN | Article No | |
6xR1/4 | 3831112527355 | 52 759-201 |
6xR1/8 | 3831112533868 | 52 759-213 |
Suitable when insulation is used.Stainless steel/EPDM/Brass.
Venting extension
Suitable when insulation is used.
Stainless steel/EPDM/Brass.
d | ØD | L | EAN | Article No |
M6 | 12 | 70 | 3831112531727 | 52 759-220 |
Capillary pipe
Ø6 mm
1 pc included in TA-PILOT-R.
L [m] | EAN | Article No |
1,2 | 3831112527157 | 52 759-215 |
For connection of capillary pipe while permitting simultaneous use of our balancing instrument.
Measuring point, two-way
For connection of capillary pipe while permitting simultaneous use of our balancing instrument.
For connection to existing measuring point on STAF/STAF-SG.
Can be installed during operation.
D | H | EAN | Article No |
6 | 68 | 7318793848703 | 52 179-206 |