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 description

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:

According to ISO 5752 series 1 and EN 558-1 series 1.

Articles

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
Accessories

Handwheel

DN
EAN
Article No
20 - 50
7318794043503
52 186-007
65 - 150
7318792834806
52 186-002
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

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.

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

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

52182995

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52182992

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STAF-SG_DN200-400

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52182950

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52182920

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52182991

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52182990

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STAF-SG_DN20-50_persp

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52182965

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52182994

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52182996

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STAF-SGpersp_kat

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52182940

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52182980

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STAF-SG

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52182932

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52182993

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52182925

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Technical specifications

Installation instructions

Legal documents

2D3D

Drawings

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