Mikrotherm F

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​​​​​​​ Manual radiator valves with presetting The Mikrotherm F manual radiator valve is used in warm water pump heating systems or gravity systems. The non-rising double spindle with the Mikrotherm F presetting cone makes hydraulic balancing through presetting possible.

Double O-ring sealing

Consistent presetting through a non-rising double spindle

Can be retrofitted as a Eclipse F or Calypso exact thermostatic valve

Technical description

Applications:

Heating systems

Function:

Balancing
Pre-setting
Shut-off

Dimensions:

DN 10-20

Pressure class:

PN 10

Temperature:

Max. working temperature: 120°C
Min. working temperature: -10°C

Material:

Valve body: Brass.
O-rings: EPDM rubber.
Valve insert: Brass.
Handwheel: PP (Polypropylen), tight-packed with protection film, white RAL 9016.

Surface treatment:

Valve body and fittings are nickel-plated.

Marking:

THE, country code, flow direction arrow, DN. II+ -Designation.

Standards:

Dimensions according to DIN EN 215 (Series F).

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.
Not suitable for compression fitting for multi layer pipes.

Articles

Angle

DN
D
d2
l3
l4
l5
H1
Kvs
EAN
Article No
10
Rp3/8
R3/8
24
49
20
58,5
1,70
4024052952519
3491-01.500
15
Rp1/2
R1/2
26
53
23
58
2,44
4024052952618
3491-02.500
20
Rp3/4
R3/4
30
63
26
56
2,66
4024052952717
3491-03.500

Straight

DN
D
d2
l1
l2
H2
Kvs
EAN
Article No
10
Rp3/8
R3/8
50
76
57
1,70
4024052952816
3492-01.500
15
Rp1/2
R1/2
55
83
57
2,44
4024052952915
3492-02.500
20
Rp3/4
R3/4
65
97
57
2,66
4024052953011
3492-03.500

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm


Cvs = gpm at a pressure drop of 1 psi and fully open valve.

Accessories

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
Female thread connection Rp3/8 – Rp3/4.
Metal-to-metal joint.
Brass nickel-plated.
Support sleeves should be used for a pipe wall thickness of 0.8 – 1 mm. Follow the specifications of the pipe manufacturer.

Ø Pipe
DN
EAN
Article No
12
10 (3/8")
4024052174614
2201-12.351
14
15 (1/2")
-
2201-14.351
15
15 (1/2")
4024052175017
2201-15.351
16
15 (1/2")
4024052175116
2201-16.351
18
20 (3/4")
4024052175215
2201-18.351

Support sleeve

for copper or precision steel pipe with a 1 mm wall thickness.
Brass.

Ø Pipe
L
EAN
Article No
12
25,0
4024052127016
1300-12.170
15
26,0
4024052127917
1300-15.170
16
26,3
4024052128419
1300-16.170
18
26,8
4024052128815
1300-18.170

Double connection fitting

For clamping plastic, copper, precision steel or multi-layer pipes.
Brass, nickel-plated.

L
EAN
Article No
G3/4 x R1/2
26
4024052308415
1321-12.083

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Metal-to-metal joint.
Brass nickel-plated.
With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.

Ø Pipe
EAN
Article No
12
4024052214211
3831-12.351
14
4024052214310
3831-14.351
15
4024052214617
3831-15.351
16
4024052214914
3831-16.351
18
4024052215218
3831-18.351

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Soft sealed, max. 95°C.
Nickel-plated brass.

Ø Pipe
EAN
Article No
15
4024052515851
1313-15.351
18
4024052516056
1313-18.351

Compression fitting

for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel plated brass.

Ø Pipe
EAN
Article No
12x1,1
4024052136018
1315-12.351
14x2
4024052134618
1311-14.351
16x1,5
4024052136117
1315-16.351
16x2
4024052134816
1311-16.351
17x2
4024052134915
1311-17.351
18x2
4024052135110
1311-18.351
20x2
4024052135318
1311-20.351

Compression fitting

for Alu/PEX multi-layer pipe according to DIN 16836.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe
EAN
Article No
16x2
4024052137312
1331-16.351
18x2
4024052137411
1331-18.351

Eclipse F with automatic flow limitation

For thermostatic valve bodies with II+ marking, from 2015.

Retrofitting/
Replacement inserts
For DN valve
EAN
Article No
10, 15, 20
4024052940912
3930-02.300

Calypso exact with stepless precision presetting

For thermostatic valve bodies with II marking, from 2012 and II+ marking, from 2015.

Retrofitting/
Replacement inserts
For DN valve
EAN
Article No
10, 15, 20
4024052841417
3700-02.300

Fitting tool

complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20).

EAN
Article No
Fitting tool
4024052298914
9721-00.000

Handwheel Mikrotherm

with connection screw.
Plastic, white RAL 9016.

For DN
EAN
Article No
10 - 20 (3/8"-3/4") from 04.1988
4024052113118
0122-02.327

Name Document Type Download All
Mikrotherm-F_EN_lq.pdf Technical Specifications
Mikrotherm_F_instruction.pdf Installation Instructions

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