LK 551 - Female thread

Article no.

Dim.

Kvs m3/h

A mm

B mm

C mm

D mm

Note

Weight kg

181616

F 1⁄2”

1.5

181455

F 1⁄2”

1.5

182203

F 1”

3.5

182205

F 1 “

3.5

LK 551 - Male thread

70

70

84

84

99

43.5

99

43.5

121

62

121

62

45

45

55

55

25 - 45 °C

0.5

35 - 65 °C

0.5

10 - 30 °C

0.9

35 - 65 °C

0.9

181617

F 3⁄4”

1.6

70

99

43.5

45

25 - 45 °C

0.5

181486

F 3⁄4”

1.6

70

99

43.5

45

35 - 65 °C

0.5

182204

F 1”

4.2

84

121

62

55

25 - 45 °C

0.9

Article no.

Dim.

Kvs m3/h

A mm

B mm

C mm

D mm

Note

Weight kg

181618

181620

181453

182736

182198

182200

182202

M 1⁄2”

1.3

M 1”

1.6

M 3⁄4”

1.5

M 1”

1.6

M 1”

3.5

M 11⁄4”

3.5

M 11⁄4”

3.5

70

70

70

70

84

84

84

42.5

99

43.5

99

43.5

99

43.5

99

62

121

62

121

62

121

45

45

45

45

55

55

55

25 - 45 °C

25 - 45 °C

35 - 65 °C

35 - 65 °C

25 - 45 °C

10 - 30 °C

35 - 65 °C

0.4

0.5

0.5

*, WRAS

0.5

0.7

0.8

0.8

181619

M 3⁄4”

1.5

70

43.5

99

45

25 - 45 °C

0.5

181452

M 1⁄2”

1.3

70

42.5

99

45

35 - 65 °C

0.4

181454

M 1”

1.6

70

43.5

99

45

35 - 65 °C

0.5

182197

M 1”

3.5

84

62

121

55

10 - 30 °C

0.7

182199

M 1”

3.5

84

62

121

55

35 - 65 °C

0.7

182201

M 11⁄4”

4.2

84

62

121

55

25 - 45 °C

0.8

* Material, valve body: EN 12165 CW625N

139