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SW-100-8

Mind when mounting or replacing

WARNING

The compressor is under pressure!
Serious injuries are possible.
Wear safety goggles!

Assess the risk of intervention and take appropriate
measures: Wear additional personal protective equip-
ment, shut off system and depressurise compressor if
necessary.

Before mounting

▶ Clean threads and threaded bores carefully.

▶ Use new gaskets only!

▶ Do not oil gaskets with metallic support.

▶ Flat gaskets may be moistened slightly with oil.

Admissible screwing methods

• Tighten with calibrated torque spanner to indicated

torque.

• Tighten with pneumatic impact wrench and retighten

with calibrated torque spanner to indicated torque.

• Tighten with electronically controlled angled wrench

to indicated torque.

Tolerance range of tightening torques: ±6% of nominal
value

Flange connections

▶ Tighten them crosswise and in at least 2 steps

(50/100%).

Screwed connections

Metric screws

Size

Case A

Case B

7 Nm

9 Nm

16 Nm

23 Nm

40 Nm

M10

42 Nm

80 Nm

M12

80 Nm

125 Nm

M16

150 Nm

220 Nm

M20

220 Nm

M20 with CS.105

400 Nm

Case A: Screws without flat gasket, property class 8.8
or 10.9

Case B: Screws with flat gasket or gasket with metallic
support, property class 10.9

Metric screws of shut-off valves and counter
flanges

Size

Case C

Case D

M10

50 Nm

M12

36 Nm

100 Nm

M16

98 Nm

150 Nm

M18

136 Nm

200 Nm

M20

175 Nm

200 Nm

M24

320 Nm

Case C: Screws of property class 5.6

Case D: Screws of property class 8.8. They can be
used for welding flanges as well.

Plugs without gasket

Size

Brass

Steel

1/8-27 NPTF

35 .. 40 Nm

15 .. 20 Nm

1/4-18 NPTF

50 .. 55 Nm

30 .. 35 Nm

3/8-18 NPTF

85 .. 90 Nm

50 .. 55 Nm

1/2-14 NPTF

95 .. 100 Nm

60 .. 65 Nm

3/4-14 NPTF

120 .. 125 Nm

80 .. 85 Nm

Wrap thread with sealing tape before mounting.

Screwed connections with aluminium gasket:
sealing screws, plugs and screwed nipples

Size

M10

30 Nm

M18 x 1,5

60 Nm

M20 x 1,5

70 Nm

M22 x 1,5

80 Nm

M26 x 1,5

110 Nm

M30 x 1,5

120 Nm

M48 x 1,5

300 Nm

G1/4

40 Nm ①

G1 1/4

180 Nm

①: Screwed nipple of pressure transmitter: 35 Nm

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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