Features & Benefits
High accuracy for all settings
Ensure accurate balancing and flow reading.
Handwheel
Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing. Positive shut-off function for easy maintenance.
Self-sealing measuring points
For simple, accurate balancing.
AMETAL®
Dezincification resistant alloy that guarantees a longer valve lifetime and lowers the risk of leakage.
Technical Information
Application:
Heating and cooling systems
Tap water systems
Functions:
Balancing
Pre-setting
Measuring
Shut-off
Draining (depending on valve type)
Dimensions:
DN 15-50
Pressure class:
PN 25
Temperature:
Max. working temperature: 120°C
(intermittent 150°C)
Min. working temperature: -20°C
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
Material:
Valve body and bonnet: AMETAL®
Sealing (body/bonnet): EPDM O-ring
Valve plug: AMETAL®
Seat seal: EPDM O-ring
Spindle: AMETAL®
Slip washer: PTFE
Spindle seal: EPDM O-ring
Spring: Stainless steel
Handwheel: Polyamide and TPE
Measuring points: AMETAL®
Sealings: EPDM
Caps: Polyamide and TPE
Draining: AMETAL®
Sealing: EPDM
Gaskets: Fiber-based aramid
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Marking:
Body: IMI, TA, PN 25/400 WWP, DN and inch size. DN 50 also CE.
Handwheel: TA, STAD* and DN.
Connection:
Female thread NPT according to ANSI/ASME B1.20.1-1983.
Articles
Female threads NPT.Thread according to ANSI/ASME B1.20.1-1983.
With drain
Female threads NPT.
Thread according to ANSI/ASME B1.20.1-1983.

DN | (size) | D | L | H | Kvs | Kg | EAN | Article No |
d = UNS 1 1/16" x 11.5 | ||||||||
15* | 1/2" | 1/2 NPT | 84 | 100 | 2.56 | 0,56 | 5902276835544 | 52 851-715 |
20* | 3/4" | 3/4 NPT | 94 | 100 | 5.39 | 0,64 | 5902276835551 | 52 851-720 |
25 | 1" | 1 NPT | 105 | 105 | 8.59 | 0,77 | 5902276835568 | 52 851-725 |
32 | 1 1/4" | 1 1/4 NPT | 121 | 110 | 14.2 | 1,1 | 5902276835575 | 52 851-732 |
40 | 1 1/2" | 1 1/2 NPT | 126 | 120 | 19.3 | 1,5 | 5902276835582 | 52 851-740 |
50 | 2" | 2 NPT | 155 | 120 | 32.3 | 2,1 | 5902276835599 | 52 851-750 |
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAD, PN 25 version, is named STAD*.
Female threads NPT.Thread according to ANSI/ASME B1.20.1-1983.
Without drain
Female threads NPT.
Thread according to ANSI/ASME B1.20.1-1983.

DN | (size) | D | L | H | Kvs | EAN | Article No |
15 | 1/2" | 1/2 NPT | 84 | 100 | 2.56 | 5902276835483 | 52 851-515 |
20 | 3/4" | 3/4 NPT | 94 | 100 | 5.39 | 5902276835490 | 52 851-520 |
25 | 1" | 1 NPT | 105 | 105 | 8.59 | 5902276835506 | 52 851-525 |
32 | 1 1/4" | 1 1/4 NPT | 121 | 110 | 14.2 | 5902276835513 | 52 851-532 |
40 | 1 1/2" | 1 1/2 NPT | 126 | 120 | 19.3 | 5902276835520 | 52 851-540 |
50 | 2" | 2 NPT | 155 | 120 | 32.3 | 5902276835537 | 52 851-550 |
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAD, PN 25 version, is named STAD*.
Suitable when insulation is used.AMETAL®
Extension for measuring point M14x1
Suitable when insulation is used.
AMETAL®

d | L | EAN | Article No |
M14x1 | 71 | 7318793969507 | 52 179-016 |
Max 120°C (intermittent 150°C)AMETAL®/EPDM
Measuring point
Max 120°C (intermittent 150°C)
AMETAL®/EPDM

L | EAN | Article No |
44 | 7318792813207 | 52 179-014 |
103 | 7318793858108 | 52 179-015 |
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 |
Allen key

[mm] | EAN | Article No | |
3 | Pre-setting | 7318792836008 | 52 187-103 |
5 | Draining | 7318792836107 | 52 187-105 |
Handwheel

EAN | Article No |
7318794043503 | 52 186-007 |
Identification tag

EAN | Article No |
7318792779206 | 52 161-990 |
For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.
Insulation
For heating/cooling
CFC-free polyurethane. Covered with grey PVC.
See catalogue leaflet "Prefab insulations" for complete details.

For DN | L | H | D | B | EAN | Article No |
10-20 | 155 | 135 | 90 | 103 | 7318792839108 | 52 189-615 |
25 | 175 | 142 | 94 | 103 | 7318792839306 | 52 189-625 |
32 | 195 | 156 | 106 | 103 | 7318792839504 | 52 189-632 |
40 | 214 | 169 | 108 | 113 | 7318792839702 | 52 189-640 |
50 | 245 | 178 | 108 | 114 | 7318792839900 | 52 189-650 |
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