OS. series

Nominal diameters (DN) are not actual dimensions!

Nominal diameters (DN) are not actual dimensions!

The nominal diameters DN10 .. DN200 only indicate ranges! The number is not a quantifiable unit, it is only indirectly related to the diameters of the connections and should not be used in calculations.

OS.A compressors (for R717)

Bushes / flanges and shut-off valves for OS.A compressors (for refrigerant R717). The designations and attributions correspond to those in the Bitzer price list.
HP: high pressure side / discharge gas side
LP: low pressure side / suction side
S: standard
O: option
*: optional with suction line gas filter

Compressor

Side

Connection at compressor

D35L – 1 3/4'' (DN32)

D42L – 1 5/8'' (DN40)

D54L – 2 1/8" (DN50)

D64L – 2 5/8" (DN65/80)

D76L – 3 1/8" (DN80/100)

D89L – 3 1/2" (DN100)

D105L – 4 1/8" (DN100)

D108L – 4 1/4" (DN100)

DN125

DN150

DN200

OS.A53

HP

DN 40

O: Valve

S: Bush

OS.A53

LP

DN 50

S: Valve
O: Bush

OS.A74

HP

DN 50

S: Bush
O: Valve

OS.A74

LP

DN 80

S: Valve
O: Bush

OS.A85

HP

DN 80

O: Bush
O: Valve

S: Bush
O: Valve

OS.A85

LP

DN 100

O: Bush
O: Valve

O: Bush
O: Valve

S: Bush
O: Valve

O: Bush
O: Valve

OS.A9573 .. 9583

HP

DN 100

S: Bush
O: Valve

O: Bush
O: Valve

O: Flange

OS.A9573 .. 9583

LP

DN 125

S: Flange
O: Valve

OS.A9593 .. 95103

HP

DN 125

S: Flange
O: Valve

O: Flange

OS.A9593 .. 95103

LP

DN 150

S: Flange
O: Valve

OS.A105

HP

DN 150

S: Flange
O: Valve

OS.A105

LP

DN 200

S: Flange*
O: Valve*

OS. compressors

Bushes / flanges and shut-off valves for OS. compressors. The designations and attributions correspond to those in the Bitzer price list.
HP: high pressure side / discharge gas side
LP: low pressure side / suction side
S: standard
O: option

Compressor

Side

Connection at compressor

D35L – 1 3/8" (DN32)

D42L – 1 5/8'' (DN40)

D54L – 2 1/8" (DN50)

D64L – 2 5/8" (DN65/80)

D76L – 3 1/8" (DN80/100)

D89L – 3 1/2" (DN100)

D105L – 4 1/8" (DN100)

D108L – 4 1/4" (DN100)

OS.53

HP

42 mm // 1 5/8''

O: Valve

S: Bush

OS.53

LP

54 mm // 2 1/8''

S: Valve
O: Bush

OS.74

HP

54 mm // 2 1/8''

S: Bush
O Valve

OS.74

LP

76 mm // 3 1/8''

S: Valve
O: Bush

OS.85

HP

76 mm // 3 1/8''

O: Bush
O: Valve

S: Bush
O: Valve

OS.85

LP

DN100

O: Bush
O: Valve

O: Bush
O: Valve

S: Bush
O: Valve

O: Bush
O: Valve