STK
Return valve
A high-performing return valve ideal for use in heating and cooling systems. Also suitable for use in circulating tap water systems.
Features & Benefits
Presetting
Set the right flow level in advance for more accurate balancing. Simple pre-setting tool operation.
Kv and presetting scale
For quicker, more accurate balancing.
KOMBI connections
Flexible range of compression couplings ensures a smoother installation.
Technical Information
Application:
Heating and cooling systems
Tapwater systems
Function:
Adjustment
Pre-setting
Shut-off
Dimensions:
DN 15-20
Pressure class:
PN 16
Temperature:
Max. working temperature: 120°C
Min. working temperature: -10°C
Material:
Valve body: AMETAL®
Disc: AMETAL®
Spindle: AMETAL®
O-ring: Nitril
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Surface treatment:
Nickel-plated.
Marking:
Valve body marked with TA, TRIM and inch size.
Articles
Internal thread
Straight
Internal thread
DN | D | L | H | Kvs | EAN | Article No |
15 | G1/2 | 63 | 55 | 1.8 | 7318792549502 | 50 007-715 |
20 | G3/4 | 80 | 69 | 4.5 | 7318792549601 | 50 007-720 |
Kvs = m3/h at a pressure drop of 1 bar and fully open valve.
STK can be connected to smooth pipes by means of the KOMBI compression coupling. (See catalogue leaflet KOMBI).
Plastic
Regulating key
Plastic
EAN | Article No |
7318792835803 | 52 187-003 |
