STAF-SG – ANSI flanges
Balancing valve size 3/4" - 16"
A flanged, ductile iron balancing valve that delivers accurate hydronic performance in an impressive range of applications. The STAF-SG is ideal for use mainly on the secondary side in heating and cooling systems.
Features & Benefits
Handwheel
Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.
Handwheel for sizes 2 1/2" - 6" with side reading makes the read-out easy from any angle.
Accurate and precise
Provides high accuracy of measurement.
Self-sealing measuring points
For simple, accurate balancing.
Positive shut-off function
For easy maintenance.
Technical Information
Application:
Heating (not steam) and cooling systems
Functions:
Balancing
Presetting
Measuring
Shut-off (The balancing cone for valve sizes 4" - 16" is pressure released).
Dimensions:
3/4" - 16"
Pressure class:
Class 150
Temperature / Max. pressure:
14 to 100 °F / 250 psi
200 °F / 235 psi
248 °F / 225 psi
Temperature:
Max. working temperature: 248°F
Min. working temperature: 14°F
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
Material:
Body: Ductile iron, EN-GJS-400-15 (~ ASTM A536 Grade 60-40-18. ISO 1083 Grade 400-15).
Size 3/4" - 6":
Bonnet, cone and spindle of AMETAL®.
Size 8" - 12":
Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®.
Size 14" - 16":
Bonnet of ductile iron EN-GJS-400-15, cone of silicon brass CuZn16Si4-C (EN 1982) and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®.
Cone sizes 4” - 16”: PTFE coated.
Seals: EPDM.
Slip washer: PTFE.
Bonnet bolts: Surface treated steel.
Measuring points: AMETAL® and EPDM.
Handwheel: Size 3/4"-2" polyamide and TPE, size 2 1/2"-6" polyamide, size 8"-16" aluminium.
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Surface treatment:
Size 3/4" - 8": Epoxy painting.
Size 10" - 16": Duasolid painting.
Marking:
Size 3/4" - 2": TA, PN, DN (mm), 400-15 (material) and flow direction arrow.
Size 2 1/2" - 16": TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.
CE-marking:
CE: STAF-SG (Class 150) size 2 1/2" - 6".
CE 0409*: STAF-SG (Class 150) size 8" - 12".
*) Notified body.
Flanges:
Size 3/4" - 2": ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.
Size 2 1/2" - 16": Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).
Face to face length:
ISO 5752 series 1, EN 558-1 series 1.
Articles
Measuring points on body
Bolted bonnet
Measuring points on body
Size | Number of bolt holes | L [in] | H [in] | D [in] | Cvs | lb | Article No ** North America | Article No International |
8" | 8 | 23.62 | 16.93 | 13.58 | 887 | 167.5 | 52 167-993 | 52 182-993 |
10" | 12 | 28.74 | 16.54 | 15.98 | 1375 | 269.0 | 52 167-994 | 52 182-994 |
12" | 12 | 33.46 | 18.90 | 19.02 | 1682 | 359.4 | 52 167-995 | 52 182-995 |
14" * | 12 | 38.58 | 23.03 | 20.98 | 2552 | 654.8 | 52 182-996 * | 52 182-996 * |
16" * | 16 | 43.31 | 25.20 | 23.50 | 3225 | 895.1 | 52 182-997 * | 52 182-997 * |
*) NOTE: Not CE marked products. Not allowed to be installed in EU or EFTA countries.
**) Distributed by Victaulic.
→ = Flow direction
Cvs = gpm at a pressure drop of 1 psi and fully open valve.
Bolted bonnet
Spindle extension for sizes 2 1/2" - 6" is included.
Size | Number of bolt holes | L [in] | H [in] | H 1) [in] | D [in] | Cvs | lb | Article No ** North America | Article No International |
2 1/2" | 4 | 11.42 | 6.42 | 8.78 | 7.09 | 98.3 | 22.0 | 52 172-965 | 52 187-965 |
3" | 4 | 12.20 | 6.77 | 9.13 | 7.48 | 142 | 37.3 | 52 172-980 | 52 187-980 |
4" | 8 | 13.78 | 8.78 | 11.14 | 9.06 | 214 | 39.5 | 52 172-990 | 52 187-990 |
5" | 8 | 15.75 | 10.20 | 12.56 | 10.04 | 340 | 56.2 | 52 172-991 | 52 187-991 |
6" | 8 | 18.90 | 10.75 | 13.11 | 11.02 | 462 | 77.2 | 52 172-992 | 52 187-992 |
1) Height with spindle extension
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAF-SG, sizes 2 1/2" - 6", is named STAF-SG*.
Threaded bonnet
Size | Number of bolt holes | L [in] | H [in] | D [in] | Cvs | lb | Article No ** North America | Article No International |
3/4" | 4 | 5.91 | 3.94 | 4.13 | 6.61 | 5.1 | - | 52 182-920 |
1" | 4 | 6.30 | 4.29 | 4.53 | 10.1 | 6.4 | - | 52 182-925 |
1 1/4" | 4 | 7.09 | 4.37 | 5.51 | 16.5 | 9.5 | - | 52 182-932 |
1 1/2" | 4 | 7.87 | 4.80 | 5.91 | 22.3 | 11.5 | - | 52 182-940 |
2" | 4 | 9.06 | 4.80 | 6.50 | 38.3 | 15 | - | 52 182-950 |
(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
Measuring point, extension 2.36 in.
(not for 52 179-000/-601)
Can be installed without draining of the system.
AMETAL®/Stainless steel/EPDM
EAN | Article No |
7318792812804 | 52 179-006 |
AMETAL®/EPDM
Measuring point
AMETAL®/EPDM
d | L [in] | EAN | Article No | |
Size 3/4" - 2" | ||||
R1/4 | 1.535 | 7318792813108 | 52 179-009 | |
R1/4 | 4.055 | 7318792814600 | 52 179-609 | |
Size 2 1/2" - 16" | ||||
R3/8 | 1.772 | 7318792813009 | 52 179-008 | |
R3/8 | 3.976 | 7318792814501 | 52 179-608 | |
Identification tag
EAN | Article No |
7318792779206 | 52 161-990 |
Handwheel
Size | EAN | Article No |
3/4" - 2" | 7318794043503 | 52 186-007 |
2 1/2" - 6" | 5902276808968 | 52 186-010 |
8" - 16" | 7318792835001 | 52 186-004 |
For heating/coolingMaterial: EPPFire class: B2 (DIN 4102)Max working temperature: 248°F (intermittent 284°F)Min working temperature: 54°F, 18°F at sealed joints.
Insulation
For heating/cooling
Material: EPP
Fire class: B2 (DIN 4102)
Max working temperature: 248°F (intermittent 284°F)
Min working temperature: 54°F, 18°F at sealed joints.
For size | L [in] | D [in] | C [in] | EAN | Article No |
2" | 15.4 | 9.84 | 9.91 | 7318792840708 | 52 189-850 |
2 1/2" | 17.7 | 10.6 | 10.7 | 7318792840807 | 52 189-865 |
3" | 18.9 | 11.4 | 11.5 | 7318792840906 | 52 189-880 |
4" | 20.5 | 12.6 | 12.7 | 7318792841002 | 52 189-890 |
5" | 22.4 | 13.8 | 13.9 | 7318792841101 | 52 189-891 |
6" | 26.0 | 15.0 | 15.0 | 7318792841200 | 52 189-892 |
Allen key
For locking of setting.
[mm] | For size | EAN | Article No |
3 | 3/4" - 6" | 7318792836008 | 52 187-103 |
5 | 8 "- 16" | 7318792836107 | 52 187-105 |
Spare part.Included in valve sizes 2 1/2" - 6".Needed on sizes 2 1/2" - 6" when using TA prefab insulations (52 189-8xx).
Spindle extension
Spare part.
Included in valve sizes 2 1/2" - 6".
Needed on sizes 2 1/2" - 6" when using TA prefab insulations (52 189-8xx).
For size | EAN | Article No |
2 1/2" - 6" | 5902276808951 | 52 186-015 |
Photos
52182993
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52182994
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52182995
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STAF-SG_DN100_ANSI_front_left-right
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STAF-SG_DN20-50_persp
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52182996
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STAF-SG_DN20-50
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STAF_DN65-80_ANSI_persp
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STAF-SG_DN200-400
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STAF_DN100-150_ANSI_persp
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STAF_DN65-80_ANSI_front_right-left
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STAF_DN65-80_ANSI_front_left-right
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STAF-SG_DN100-150_persp
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