STAD – NPT threads

IMI TA
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​​​​​​​ Balancing valve, size 1/2" - 2" The STAD balancing valve delivers accurate hydronic performance in an impressive range of applications. Ideally suited for use on the secondary side in heating and cooling systems.

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 description

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°C)
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.
Orange/grey handwheel: TA, valve type and size.

Connection:

Female thread NPT according to ANSI/ASME B1.20.1-1983.

Articles

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*.

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*.

Accessories

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

Extension for measuring point M14x1

Suitable when insulation is used.
AMETAL®

d
L [in]
EAN
Article No
M14x1
2.80
7318793969507
52 179-016

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

Handwheel

Complete

EAN
Article No **
North America
Article No
International
Orange/grey
7318794043602
52 167-820
52 186-008


**) Distributed by Victaulic.

Identification tag

EAN
Article No
7318792779206
52 161-990

Allen key

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

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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STAD_PN25_NPT_EN_low.pdf Technical Specifications
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