Technical description
Applications:
Heating systems
Function:
Control
Shut-off
Dimensions:
DN 15
Pressure class:
PN 10
Temperature:
Max. working temperature: 120°C, with protection cap or actuator 100°C.
Min. working temperature: -10°C.
Materials:
Valve body: Brass
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass
The complete thermostatic insert can be replaced using the fitting tool without draining the system.
Spindle: Niro-steel spindle with double O-ring sealing. The outer O-ring can be replaced under pressure.
Material thermostatic head:
ABS, PA6.6GF30, brass, steel,
Liquid-filled thermostat.
Surface treatment:
Valve body and fittings are nickel-plated.
Marking:
IMI, country code, flow direction arrow, KEYMARK-Designation. II+ Designation.
Black protection cap.
Standards:
The thermostatic valve bodies meet the following requirements:
– KEYMARK certified and tested to DIN EN 215, series GB.
Pipe connection:
G1/2 male thread with 15 mm compression fitting for copper or precision steel pipe.
Connection to thermostatic head and actuator:
Heimeier M30x1.5
Thermostatic heads:
Closed graduation cap and liquid-filled thermostat. High actuating force, minimum hysteresis, optimum closing time. Stable control response even with minor calculated p-band variations (<1 K). Frost protection.
Thermostatic head D-U: Setting numbers 0–IIIII. Temperature range 0 °C to 28 °C.
Thermostatic head Halo: Setting numbers I–IIIII. Temperature range 6 °C to 28 °C.