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SW-100-8

Special screwed connections inside the
compressor

Assess the risk of conversion and take appropriate
measures before any intervention into the compressor.

Before re-commissioning: Test the compressor de-
pending on the risk assessed for pressure strength and
tightness or for tightness only.

6.1

Pressure relief valve

Size

3/4-14 NPTF

15 .. 20 Nm

This valve vents from the pressure side (HP) to the
suction side (LP) inside the compressor if the HP pres-
sure exceeds the maximum allowable pressure.

6.2

SPI sensor

60 Nm, thread at sensor body. Mount with aluminium
gasket.

The SPI (slider position indicator) is mounted at com-
pressors starting at sizes HS.95, OS.95 and CS.105.

6.3

Connecting flange of FI cooling plate with
CSV.

Size

16 Nm

This tightening torque is only valid for a cooling plate,
that is fixed with three screws.

6.4

Set screws at shaft seals

Size

3 .. 5 Nm

5 .. 9 Nm

10 Nm

6.5

Locking screws of grooved nuts on shafts

The locking screws are set screws or cheese-head
screws depending on compressor design.

Size

3.5 Nm

3 .. 5 Nm

5 .. 9 Nm

6.6

Fixing of electrical motor

The rotor of the electrical motor is fixed to the male ro-
tor shaft.

Central screw at shaft end

Size

M10

15 .. 20 Nm

M16

15 .. 20 Nm ①

①: Use only screws with Loctite or Precote85 coating.

Grooved nuts at the shaft

Size

M40 x 1,5

15 Nm

M50 x 1,5

15 Nm

6.7

Capacity control

Thread at piston rod

Size

M12

40 Nm

M16

100 Nm

M20

150 Nm

M25

220 Nm

Coat thread with Loctite 648 and tighten with calibrated
torque spanner to indicated torque.

Fixing at piston or piston rod

Size

M10

40 Nm

M16

100 Nm ①

M16

150 Nm

Tighten with calibrated torque spanner to indicated
torque.

①: only for CS.7551, CS.7561 and CS.7571.

Содержание CS.105

Страница 1: ...of screw compressors Translation of the original document English 5 Couples de serrage pour assemblages viss s des compresseurs vis Traduction du document d origine Fran ais 8 HS 53 HS 95 CS 65 CS 10...

Страница 2: ...Schraubverbindungen Metrische Schrauben Gr e Fall A Fall B M5 7 Nm M6 9 Nm 16 Nm M8 23 Nm 40 Nm M10 42 Nm 80 Nm M12 80 Nm 125 Nm M16 150 Nm 220 Nm M20 220 Nm 220 Nm M20 bei CS 105 400 Nm Fall A Schrau...

Страница 3: ...t Dichtflansch Schraubengr e M8 14 Nm M10 18 Nm Schaugl ser mit berwurfmutter Gr e SW 1 3 4 12 UN 50 150 Nm 2 1 4 12 UN 65 180 Nm SW Schl sselweite in mm Schraubschauglas Gr e 1 1 8 18 UNEF 50 Nm 4 El...

Страница 4: ...t drei Schrauben befestigt wird 6 4 Gewindestifte an Wellenabdichtungen Gr e M5 3 5 Nm M6 5 9 Nm M8 10 Nm 6 5 Sicherungsschrauben von Nutmuttern auf Wellen Die Sicherungsschrauben sind je nach Verdich...

Страница 5: ...tric screws Size Case A Case B M5 7 Nm M6 9 Nm 16 Nm M8 23 Nm 40 Nm M10 42 Nm 80 Nm M12 80 Nm 125 Nm M16 150 Nm 220 Nm M20 220 Nm 220 Nm M20 with CS 105 400 Nm Case A Screws without flat gasket proper...

Страница 6: ...t glasses with sealing flange Screw size M8 14 Nm M10 18 Nm Sight glasses with union nut Size AF 1 3 4 12 UN 50 150 Nm 2 1 4 12 UN 65 180 Nm AF width across flats in mm Screwed sight glass Size 1 1 8...

Страница 7: ...This tightening torque is only valid for a cooling plate that is fixed with three screws 6 4 Set screws at shaft seals Size M5 3 5 Nm M6 5 9 Nm M8 10 Nm 6 5 Locking screws of grooved nuts on shafts T...

Страница 8: ...a valeur indiqu e Assemblages bride Serrer les vis croix et au minimum en deux tapes 50 100 2 Assemblages viss s Vis m triques Taille Cas A Cas B M5 7 Nm M6 9 Nm 16 Nm M8 23 Nm 40 Nm M10 42 Nm 80 Nm M...

Страница 9: ...ler le voyant avant et apr s le montage Essayer l tanch it du composant modifi Voyants avec bride d tanch it Taille des vis M8 14 Nm M10 18 Nm Voyants avec crou raccord Taille cl 1 3 4 12 UN 50 150 N...

Страница 10: ...le du compresseur HS 95 OS 95 et CS 105 6 3 Bride de raccord de la plaque de refroidissement CF avec CSV Taille M6 16 Nm Ce couple de serrage ne s applique qu la plaque de refroidissement qui est fix...

Страница 11: ...SW 100 8 11 Taille M16 100 Nm M16 150 Nm Serrer avec une cl dynamom trique calibr e jusqu au couple de serrage indiqu seulement pour CS 7551 CS 7561 et CS 7571...

Страница 12: ...any Tel 49 0 70 31 932 0 Fax 49 0 70 31 932 147 bitzer bitzer de www bitzer de nderungen vorbehalten nderungen vorbehalten Subject to change Toutes modifications r serv es80510103 02 2019 80510103 02...

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