Conical Pipe Fi Ttings; Permissible Forces Acting On Pump Nozzles; Preserving Agents; Preservation Fi Lling Volumes - Ohio Medical Corporation SM30B Operating Instructions Manual

9.2.10.5 Cylindrical pipe nipples
 Th e following values apply to new pipe nipples in
cast-iron casings (EN-GJL-250, CuZn).
Size
G 1/4 A
G 3/8 A
G 1/2 A
G 3/4 A
G 1 A
G 1 1/2 A
G 2
Tab. 30 Tightening torques for pipe nipples in cast-iron
casings

9.3 Conical pipe fi ttings

Th e above specifi ed tightening torques do not apply
to conical screw-in threads. Here, tightness is not
achieved by using a specifi c tightening torque but by
additional sealing material (e.g. Tefl on® tape, adhesive).

9.4 Permissible forces acting on pump nozzles

Size
Torque [Nm]
DN 25
DN 40
DN 50
DN 65
Tab. 31 Permissible forces acting on pump nozzles

9.5 Preserving agents

 Rivolta preserving agent (recommended) or
comparable products
Period of
Type of
storage
storage
[months]
in 1-3
closed
dry and
> 3
dust-free
rooms
Tab. 32 Preserving agents
Tightening torque [Nm]
23
46
60
120
206
380
535
Inlet/outlet nozzles
Force [N]
75 250
100 320
140 430
20 550
Repeat inside/
Inside/ouside
outside treat-
preservation
ment [months]
Rivolta 3
K.S.P. 130
(→ 1.2 Applicable
documents)

9.5.1 Preservation fi lling volumes

Type
SM30B
SM55B
SM75B
SM100B
SM200B
SM250B
Tab. 33 Filling volumes preservation

9.6 Test pressure for pressure test

Use water for the pressure test. Th e maximum
permissible pressure is 44 PSI.

9.7 Accessories

Accessories included within the scope of supply are
listed on the delivery note.
31 255548 Rev.1
Filling volume Filling volume
inside system outside system
[QT]
0.3
2.5
3.0
3.9
4.2
4.4
[QT]
approx. 0.6
approx. 5.8
approx. 6.3
approx. 8.5
approx. 9.5
approx. 10