Technical description
Applications:
Heating systems
Function:
Control
Flow limitation
Shut-off
Dimensions:
DN 10-20
Pressure class:
PN 10
Temperature:
Max. working temperature: 120°C, with protection cap or actuator 100°C.
Min. working temperature: -10°C.
Flow range:
The flow can be stepless pre-set within the range: 0.044 – 0.66 gpm.
Delivery setting 0.66 gpm.
(Max. nominal flow qmN at 10 kPa concerning EN 215: 110 l/h)
Differential pressure (ΔpV):
Max. differential pressure:
8.7 psi (<30 dB(A))
Min. differential pressure:
0.044 – 0.44 gpm = 1.45 psi
0.44 – 0.66 gpm = 2.175 psi
Materials:
Valve body: Brass
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass, PPS (polyphenylsulphide)
The complete thermostatic insert can be replaced using the HEIMEIER fitting tool without draining the system.
Spindle: Niro-steel spindle with double O-ring sealing.
Surface treatment:
Valve body and fittings are nickel-plated.
Marking:
THE, country code, flow direction arrow, DN and KEYMARK-Designation. II+ Designation.
Orange protection cap.
Standards:
Valve bodies meet the following requirements:
– KEYMARK certified and tested to DIN EN 215.
Pipe connection:
The female-threaded version is designed for connection to threaded pipe, or in conjunction with compression fittings, to copper or precision steel pipe.
With double connection fitting suitable for compression fitting for multi layer pipes.
Connection to thermostatic head and actuator:
HEIMEIER M30x1.5
