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 (not steam) and cooling systems.
Functions:
Balancing
Pre-setting
Measuring
Shut-off
Draining (depending on valve type)
Dimensions:
1/2" - 2"
Pressure class:
PN 25 (400 WWP)
Temperature:
Max. working temperature: 248°F
(intermittent 302°F)
Min. working temperature: -4°F
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. Size 2" also CE.
Handwheel: TA, valve type and size.
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.
STAD – With drain
Female threads NPT.
Thread according to ANSI/ASME B1.20.1-1983.

Size | D | L [in] | H [in] | Cvs | Article No ** North America | Article No International |
d = UNS 1 1/16" x 11.5 | ||||||
1/2" | 1/2 NPT | 3.31 | 3.94 | 2.96 | 52 867-715 | 52 851-715 |
3/4" | 3/4 NPT | 3.70 | 3.94 | 6.23 | 52 867-720 | 52 851-720 |
1" | 1 NPT | 4.13 | 4.13 | 9.93 | 52 867-725 | 52 851-725 |
1 1/4" | 1 1/4 NPT | 4.76 | 4.13 | 16.4 | 52 867-732 | 52 851-732 |
1 1/2" | 1 1/2 NPT | 4.96 | 4.72 | 22.3 | 52 867-740 | 52 851-740 |
2" | 2 NPT | 6.10 | 4.72 | 37.3 | 52 867-750 | 52 851-750 |
**) Distributed by Victaulic.
→ = Flow direction
Cvs = gpm at a pressure drop of 1 psi and fully open valve.
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAD, PN 25/400 WWP version, is named STAD*.
Female threads NPT.Thread according to ANSI/ASME B1.20.1-1983.
STAD – Without drain
Female threads NPT.
Thread according to ANSI/ASME B1.20.1-1983.

Size | D | L [in] | H [in] | Cvs | Article No ** North America | Article No International |
1/2" | 1/2 NPT | 3.31 | 3.94 | 2.96 | 52 867-515 | 52 851-515 |
3/4" | 3/4 NPT | 3.70 | 3.94 | 6.23 | 52 867-520 | 52 851-520 |
1" | 1 NPT | 4.13 | 4.13 | 9.93 | 52 867-525 | 52 851-525 |
1 1/4" | 1 1/4 NPT | 4.76 | 4.13 | 16.4 | 52 867-532 | 52 851-532 |
1 1/2" | 1 1/2 NPT | 4.96 | 4.72 | 22.3 | 52 867-540 | 52 851-540 |
2" | 2 NPT | 6.10 | 4.72 | 37.3 | 52 867-550 | 52 851-550 |
**) Distributed by Victaulic.
→ = Flow direction
Cvs = gpm at a pressure drop of 1 psi and fully open valve.
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAD, PN 25/400 WWP version, is named STAD*.
Suitable when insulation is used.AMETAL®
Extension for measuring point M14x1
Suitable when insulation is used.
AMETAL®

d | L [in] | EAN | Article No |
M14x1 | 2.80 | 7318793969507 | 52 179-016 |
Max 248°F (intermittent 302°F)AMETAL®/EPDM
Measuring point
Max 248°F (intermittent 302°F)
AMETAL®/EPDM

L [in] | EAN | Article No |
1.73 | 7318792813207 | 52 179-014 |
4.05 | 7318793858108 | 52 179-015 |
Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
Measuring point, extension 2.36 in.
Can be installed without draining of the system.
AMETAL®/Stainless steel/EPDM

L [in] | EAN | Article No |
2.36 | 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 ** North America | Article No International |
7318794043503 | 52 167-820 | 52 186-007 |
**) Distributed by Victaulic.
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 size | L [in] | H [in] | D [in] | B [in] | EAN | Article No |
3/8", 1/2", 3/4" | 6.10 | 5.31 | 3.54 | 4.06 | 7318792839108 | 52 189-615 |
1" | 6.89 | 5.59 | 3.70 | 4.06 | 7318792839306 | 52 189-625 |
1 1/4" | 7.68 | 6.14 | 4.17 | 4.06 | 7318792839504 | 52 189-632 |
1 1/2" | 8.43 | 6.65 | 4.25 | 4.45 | 7318792839702 | 52 189-640 |
2" | 9.65 | 7.01 | 4.25 | 4.49 | 7318792839900 | 52 189-650 |
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