STA
Double regulating valve DN 15-50
The STA double regulating valve delivers accurate hydronic performance in an impressive range of applications. Ideally suited for use on the secondary side in heating, cooling and tap water systems.
Features & Benefits
Handwheel
Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing. Positive shut-off function for easy maintenance.
AMETAL®
Dezincification resistant alloy that guarantees a longer valve lifetime and lowers the risk of leakage.
Technical Information
Application:
Heating and cooling systems
Tapwater systems
Functions:
Pre-setting
Shut-off
Draining
Dimensions:
DN 15-50
Pressure class:
PN 25
Temperature:
Max. working temperature: 120°C.
(For higher temperatures max. 150°C, please contact the nearest sales office).
Min. working temperature: -20°C
Material:
Valve body and bonnet: AMETAL®
Sealing (body/bonnet): EPDM O-ring
Valve plug: AMETAL®
Seat seal: EPDM O-ring
Spindle: AMETAL®
Slip washer: PTFE
Spindle seal: EPDM O-ring
Spring: Stainless steel
Handwheel: Polyamide and TPE
Draining: AMETAL®
Sealing: EPDM
Gaskets: Fiber-based aramid
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Marking:
Body: IMI, TA, PN 25/400 WWP, DN and inch size. DN 50 also CE.
Handwheel: TA, STA* and DN.
Connection:
Female thread according to ISO 228.
Thread length according to ISO 7/1.
Articles
Female threads.Thread according to ISO 228. Thread length according to ISO 7/1.
With drain
Female threads.
Thread according to ISO 228. Thread length according to ISO 7/1.
DN | D | L | H | Kvs | Kg | EAN | Article No |
d = G3/4 | |||||||
15* | G1/2 | 84 | 100 | 2,56 | 0,56 | 5902276896750 | 52 850-615 |
20* | G3/4 | 94 | 100 | 5,39 | 0,64 | 5902276896767 | 52 850-620 |
25 | G1 | 105 | 105 | 8,59 | 0,77 | 5902276896774 | 52 850-625 |
32 | G1 1/4 | 121 | 110 | 14,2 | 1,1 | 5902276896781 | 52 850-632 |
40 | G1 1/2 | 126 | 120 | 19,3 | 1,5 | 5902276896798 | 52 850-640 |
50 | G2 | 155 | 120 | 32,3 | 2,1 | 5902276896804 | 52 850-650 |
→ = Flow direction
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
*) Can be connected to smooth pipes by KOMBI compression coupling.
NOTE: In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STA, PN 25 version, is named STA*.
Handwheel
EAN | Article No |
7318794043503 | 52 186-007 |
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 | H | D | B | EAN | Article No |
10-20 | 155 | 135 | 90 | 103 | 7318792839108 | 52 189-615 |
25 | 175 | 142 | 94 | 103 | 7318792839306 | 52 189-625 |
32 | 195 | 156 | 106 | 103 | 7318792839504 | 52 189-632 |
40 | 214 | 169 | 108 | 113 | 7318792839702 | 52 189-640 |
50 | 245 | 178 | 108 | 114 | 7318792839900 | 52 189-650 |
Allen key
[mm] | EAN | Article No | |
3 | Pre-setting | 7318792836008 | 52 187-103 |
Identification tag
EAN | Article No |
7318792779206 | 52 161-990 |
