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:
According to ISO 5752 series 1 and EN 558-1 series 1.
Articles
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 |
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.
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 |
(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 |
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 |
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 |
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