1 tightening torques, 3 spare parts, Tightening torques – Richter RMA Series User Manual
Page 4: Markings, Spare parts, Series rma

Series RMA
Page 4
9475-050-en
Revision 12
TM 7978
Edition 08/2010
Sizes :
Group 1
Group 2
1.5"x1"x6"
3"x1.5"x8
3"x1.5"x6"
3"x2"x8"
3"x2"x6"
4"x3"x8"
1.5"x1"x8"
3"x2"x10"
Weight :
See data sheet
Dimensions :
See installation drawing
1.1 Tightening torques
Screws greased, tighten in diametrically opposite 
sequence 
Housing screws 901/3
Size
No. x size
Tightening torque
[inch]
[ASME]
[in-lbs]
[Nm]
1,5"x1"x6"
8 x ½“
415
47
3"x1,5"x6"
8 x ½“
415
47
3"x2"x6"
8 x ½“
415
47
1,5"x1"x8"
10 x ½“
390
44
3"x1,5"x8
12 x ½“
415
47
3"x2"x8"
12 x ½“
415
47
4"x3"x8"
12 x ½“
415
47
3"x2"x10"
12 x
5
/
8
“
743
84
Pipe screws, flanges to ASME B16.5 Class 150
DN
No. x size
Tightening
torque
[inch]
[ASME]
[in-lbs]
[Nm]
1“
4 x ½“
70
8
1½“
4 x ½“
135
15
2“
4 x 5/8“
220
25
3“
4 x 5/8“
400
45
4“
8 x
5
/
8
“
310
35
1.2 Type plate, dry-running, ATEX
and housing markings
The stainless steel type plate is undetachably riveted 
to the housing. 
If the operator attaches his identification, it must be 
ensured that the pump matches the application in 
question. 
Example of type plate:
Dry-running:
ATEX marking:
Housing identification:
The following are visible on the housing according to 
DIN EN 19: 
Nominal size 
Rated pressure 
Housing material 
Manufacturer's identification 
Melt number/Foundry identification 
Cast date 
1.3 Spare parts
Spare parts for two years of continuous operation in 
accordance with DIN 24296 and in consultation with 
the manufacturer 
 
