STAF, STAF-SG
Balancing valve – PN 16 and PN 25 – DN 20-400
A flanged, cast iron (STAF) and ductile iron (STAF-SG) balancing valve that delivers accurate hydronic performance in an impressive range of applications. The STAF/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
Applications:
Heating and cooling systems.
Functions:
Balancing
Pre-setting
Measuring
Shut-off (The balancing cone for valve DN 65-400 is pressure released).
Dimensions:
STAF: DN 65-150
STAF-SG: DN 20-400
Pressure class:
STAF: PN 16
STAF-SG: PN 16 and PN 25 (see each product)
Temperature:
Max. working temperature: 120°C
Min. working temperature: -10°C
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
Material:
Body, STAF: Cast iron EN-GJL-250 (GG 25).
Body, STAF-SG: Ductile iron EN-GJS-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:
CE marked products: Bonnet of ductile iron EN-GJS-400-15, cone of ductile iron EN-GJS-400-15 and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®.
Not CE marked products: 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:
Body: TA, PN, DN, flow direction arrow, material and casting date (year, month, day).
CE-marking:
CE: STAF (PN 16) DN 65-150, STAF-SG (PN 16) DN 200, STAF-SG (PN 25) DN 50-125.
CE 0409*: STAF-SG (PN 16) DN 250-400, STAF-SG (PN 25) DN 150-400.
*) Notified body.
Face to face length:
ISO 5752 series 1, EN 558-1 series 1.
Articles
Bolted bonnet
PN 16, ISO 7005-2, EN 1092-2
|
DN
|
Number of
bolt holes |
D
|
L
|
H
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
65-2
|
4
|
185
|
290
|
205
|
85
|
12.4
|
7318792823305
|
52 181-065
|
|
80
|
8
|
200
|
310
|
220
|
120
|
15.9
|
7318792823404
|
52 181-080
|
|
100
|
8
|
220
|
350
|
240
|
190
|
22
|
7318792823503
|
52 181-090
|
|
125
|
8
|
250
|
400
|
275
|
300
|
32.7
|
7318792823602
|
52 181-091
|
|
150
|
8
|
285
|
480
|
285
|
420
|
42.4
|
7318792823701
|
52 181-092
|
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
Measuring points on body
Measuring points on body
Bolted bonnet
Measuring points on body
PN 16, ISO 7005-2, EN 1092-2
|
DN
|
Number of
bolt holes |
D
|
L
|
H
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
|
200
|
12
|
340
|
600
|
430
|
765
|
76
|
7318792823800
|
52 181-093
|
|
|
250
|
12
|
400
|
730
|
420
|
1185
|
122
|
7318792823909
|
52 181-094
|
|
|
300
|
12
|
455
|
850
|
480
|
1450
|
163
|
7318792824005
|
52 181-095
|
|
|
350
|
16
|
520
|
980
|
585
|
2200
|
287
|
7318793859402
|
52 181-096
|
|
|
400
|
16
|
580
|
1100
|
640
|
2780
|
391
|
7318793859303
|
52 181-097
|
|
|
Not CE marked products *
|
|||||||||
|
350
|
16
|
520
|
980
|
585
|
2200
|
297
|
7318794004603
|
52 181-196
|
|
|
400
|
16
|
580
|
1100
|
640
|
2780
|
406
|
7318794004702
|
52 181-197
|
|
PN 25, ISO 7005-2, EN 1092-2
|
DN
|
Number of
bolt holes |
D
|
L
|
H
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
|
200
|
12
|
360
|
600
|
430
|
765
|
76
|
7318792826702
|
52 182-093
|
|
|
250
|
12
|
425
|
730
|
420
|
1185
|
122
|
7318792826801
|
52 182-094
|
|
|
300
|
16
|
485
|
850
|
480
|
1450
|
163
|
7318792826900
|
52 182-095
|
|
|
350
|
16
|
555
|
980
|
585
|
2200
|
287
|
7318793843401
|
52 182-096
|
|
|
400
|
16
|
620
|
1100
|
640
|
2780
|
391
|
7318793843500
|
52 182-097
|
|
|
Not CE marked products *
|
|||||||||
|
350
|
16
|
555
|
980
|
585
|
2200
|
297
|
7318794004801
|
52 182-196
|
|
|
400
|
16
|
620
|
1100
|
640
|
2780
|
406
|
7318794004900
|
52 182-197
|
|
*) NOTE: Not allowed to be installed in EU or EFTA countries.
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
Bolted bonnet
PN 25, ISO 7005-2, EN 1092-2
|
DN
|
Number of
bolt holes |
D
|
L
|
H
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
65-2
|
8
|
185
|
290
|
205
|
85
|
11
|
7318792826207
|
52 182-065
|
|
80
|
8
|
200
|
310
|
220
|
120
|
14
|
7318792826306
|
52 182-080
|
|
100
|
8
|
235
|
350
|
240
|
190
|
19.6
|
7318792826405
|
52 182-090
|
|
125
|
8
|
270
|
400
|
275
|
300
|
28.1
|
7318792826504
|
52 182-091
|
|
150
|
8
|
300
|
480
|
285
|
420
|
37.1
|
7318792826603
|
52 182-092
|
Threaded bonnet
PN 25, ISO 7005-2, EN 1092-2 (DN 20-50 also fit PN 16 flanges)
|
DN
|
Number of
bolt holes |
D
|
L
|
H
|
Kvs
|
Kg
|
EAN
|
Article No
|
|
20
|
4
|
105
|
150
|
100
|
5,7
|
2,3
|
7318792825705
|
52 182-020
|
|
25
|
4
|
115
|
160
|
109
|
8,7
|
2,9
|
7318792825804
|
52 182-025
|
|
32
|
4
|
140
|
180
|
111
|
14,2
|
4,3
|
7318792825903
|
52 182-032
|
|
40
|
4
|
150
|
200
|
122
|
19,2
|
5,2
|
7318792826009
|
52 182-040
|
|
50
|
4
|
165
|
230
|
122
|
33
|
6,6
|
7318792826108
|
52 182-050
|
Handwheel
|
DN
|
EAN
|
Article No
|
|
20 - 50
|
7318794043503
|
52 186-007
|
|
65 - 150
|
5902276808968
|
52 186-010
|
|
200 - 400
|
7318792835001
|
52 186-004
|
(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
|
L
|
EAN
|
Article No
|
|
60
|
7318792812804
|
52 179-006
|
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
|
For older STAD and STAFMax 150°CAMETAL®/EPDM
For older STAD and STAFMax 150°CAMETAL®/EPDM
Measuring point
For older STAD and STAF
Max 150°C
AMETAL®/EPDM
|
d
|
L
|
EAN
|
Article No
|
|
|
DN 20-50
|
||||
|
R1/4
|
30
|
7318792812408
|
52 179-000
|
|
|
R1/4
|
90
|
7318792814303
|
52 179-601
|
|
|
DN 65-400
|
||||
|
R3/8
|
30
|
7318792812903
|
52 179-007
|
|
|
R3/8
|
90
|
7318792814402
|
52 179-607
|
|
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
|
|
Identification tag
|
EAN
|
Article No
|
|
7318792779206
|
52 161-990
|
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