STAF-SG – ANSI flanges
Balancing valve – DN 20-400
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.
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
Pre-setting
Measuring
Shut-off (The restriction cone for valve sizes DN 65-400 is pressure released).
Dimensions:
DN 20-400
Pressure class:
Class 150
Temperature:
Max. working temperature: 120°C
Min. working temperature: -10°C
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).
DN 20-150:
Bonnet, cone and spindle of AMETAL®.
DN 200-300:
Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®.
DN 350-400:
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 DN 65-400: PTFE coated.
Seals: EPDM.
Slip washer: PTFE.
Bonnet bolts: Surface treated steel.
Measuring points: AMETAL® and EPDM.
Handwheel: DN 20-50 polyamide and TPE, DN 65-150 polyamide, DN 200-400 aluminium.
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Surface treatment:
DN 20-200: Epoxy painting.
DN 250-400: Duasolid painting.
Marking:
DN 20-50: TA, PN, DN (mm), 400-15 (material) and flow direction arrow.
DN 65-400: TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.
CE-marking:
CE: STAF-SG (Class 150) DN 65-150.
CE 0409*: STAF-SG (Class 150) DN 200-300.
*) Notified body.
Flanges:
DN 20-50: ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.
DN 65-400: Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).
Face to face length:
According to ISO 5752 series 1 and EN 558-1 series 1.
Articles
Measuring points on body
Measuring points on body
Bolted bonnet
Measuring points on body
|
DN
|
(Size)
|
Number of
bolt holes |
L
|
H
|
D
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
200
|
8"
|
8
|
600
|
430
|
345
|
765
|
76
|
7318792831607
|
52 182-993
|
|
250
|
10"
|
12
|
730
|
420
|
406
|
1185
|
122
|
7318792831706
|
52 182-994
|
|
300
|
12"
|
12
|
850
|
480
|
483
|
1450
|
163
|
7318792831805
|
52 182-995
|
|
Not CE marked products (non-EU) *
|
|||||||||
|
350
|
14"
|
12
|
980
|
585
|
533
|
2200
|
297
|
7318793956903
|
52 182-996
|
|
400
|
16"
|
16
|
1100
|
640
|
597
|
2780
|
406
|
7318793957009
|
52 182-997
|
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
*) NOTE: Not allowed to be installed in EU or EFTA countries.
Threaded bonnet
|
DN
|
(Size)
|
Number of
bolt holes |
L
|
H
|
D
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
20
|
3/4"
|
4
|
150
|
100
|
105
|
5.7
|
2.3
|
7318792830600
|
52 182-920
|
|
25
|
1"
|
4
|
160
|
109
|
115
|
8.7
|
2.9
|
7318792830709
|
52 182-925
|
|
32
|
1 1/4"
|
4
|
180
|
111
|
140
|
14.2
|
4.3
|
7318792830808
|
52 182-932
|
|
40
|
1 1/2"
|
4
|
200
|
122
|
150
|
19.2
|
5.2
|
7318792830907
|
52 182-940
|
|
50
|
2"
|
4
|
230
|
122
|
165
|
33
|
6.6
|
7318792831003
|
52 182-950
|
Bolted bonnet
|
DN
|
(Size)
|
Number of
bolt holes |
L
|
H
|
D
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
65
|
2 1/2"
|
4
|
290
|
205
|
180
|
85
|
11
|
7318792831102
|
52 182-965
|
|
80
|
3"
|
4
|
310
|
220
|
190
|
120
|
14
|
7318792831201
|
52 182-980
|
|
100
|
4"
|
8
|
350
|
240
|
230
|
190
|
19.6
|
7318792831300
|
52 182-990
|
|
125
|
5"
|
8
|
400
|
275
|
255
|
300
|
28.1
|
7318792831409
|
52 182-991
|
|
150
|
6"
|
8
|
480
|
285
|
280
|
420
|
37.1
|
7318792831508
|
52 182-992
|
Handwheel
|
DN
|
EAN
|
Article No
|
|
20 - 50
|
7318794043503
|
52 186-007
|
|
65 - 150
|
5902276808968
|
52 186-010
|
|
200 - 400
|
7318792835001
|
52 186-004
|
Identification tag
|
EAN
|
Article No
|
|
7318792779206
|
52 161-990
|
Allen key
For locking of setting.
|
[mm]
|
For DN
|
EAN
|
Article No
|
|
3
|
20-150
|
7318792836008
|
52 187-103
|
|
5
|
200-400
|
7318792836107
|
52 187-105
|
(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
Measuring point, extension 60 mm
(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
|
For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.
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
|
D
|
C
|
EAN
|
Article No
|
|
50
|
390
|
250
|
252
|
7318792840708
|
52 189-850
|
|
65
|
450
|
270
|
272
|
7318792840807
|
52 189-865
|
|
80
|
480
|
290
|
292
|
7318792840906
|
52 189-880
|
|
100
|
520
|
320
|
322
|
7318792841002
|
52 189-890
|
|
125
|
570
|
350
|
352
|
7318792841101
|
52 189-891
|
|
150
|
660
|
380
|
382
|
7318792841200
|
52 189-892
|
AMETAL®/EPDM
AMETAL®/EPDM
Measuring point
AMETAL®/EPDM
|
d
|
L
|
EAN
|
Article No
|
|
|
DN 20-50
|
||||
|
R1/4
|
39
|
7318792813108
|
52 179-009
|
|
|
R1/4
|
103
|
7318792814600
|
52 179-609
|
|
|
DN 65-400
|
||||
|
R3/8
|
45
|
7318792813009
|
52 179-008
|
|
|
R3/8
|
101
|
7318792814501
|
52 179-608
|
|
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