Additional information – SPP Pumps Eurostream User Manual
Page 17
Operators Instructions for
Unistream Centrifugal Pumps
Manual No/Rev
W21-001E / 9
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page
17
of 20
Spares Kit Part Numbers (Quote as 'SPK ***')
Pump
Size
Gasket
Kit
Mech.
Seal Kit
Shaft
Kit
Impeller
Kit
Pump
Size
Gasket
Kit
Mech.
Seal Kit
Shaft
Kit
Impeller
Kit
32/13
531
101
604
201
65/16
532
101
607
208
32/16
532
101
606
205
65/20
533
101
609
213
32/20
533
101
607
210
65/26
532
105
605
231
32/26
534
101
608
214
65/32
535
105
605
231
40/13
531
101
606
202
80/16
532
101
608
209
40/16
532
101
607
206
80/20
536
105
611
233
40/20
533
101
609
211
80/26
532
105
605
234
40/26
534
101
609
215
80/32
535
105
605
235
50/13
531
101
606
203
100/20
536
105
605
236
50/16
532
101
609
207
100/26
532
105
605
237
50/20
533
101
609
212
100/32
535
105
611
238
50/26
534
101
610
216
125/26
532
105
605
239
65/13
531
101
607
204
9. Additional Information
9.1
Standard Metric Nut and Bolt Torque Recommendations
This information is for reference only. The user must check that the torque figures listed here are applicable
to the fasteners used. Nuts and bolts should be neither under nor over tightened.
Grade of
Bolt
Approximate Torque (Nm) for Bolt Diameters
M5
M6
M8
M10
M12
M16
M20
M24
M30
M36
4.6
2.7
4.5
11
22
38
95
185
320
633
1110
8.8
6.9
11.7
28
56
98
244
476
822
1634
2855
10.9
9.4
15.9
38
77
134
332
646
1120
2223
3885
12.9
11.2
19.1
46.4
92
160
397
775
1342
2666
4660
Note: These torque figures are approximate, and for unplated fasteners only. No allowance has been made
for special finishes or lubricants, washers or mating surfaces.
Bolt and Nut Grade Combinations
Grade of BOLT
4.6
8.8
10.9
12.9
Note: It is permissible to fit
higher grade nuts than
recommended.
Grade of NUT
4
8
12
12
Grade Identification
BOLTS & NUTS - Grade 4.6
BS4190 (ISO272, 885, 888 & 4759/1). Grade marking is optional. Normally there will be no
mark other than the 'M' thus:
BOLTS - Grade 8.8
BS 3692 (ISO272, 4759/1). Grade
marking is mandatory, may also have
trademarks.
NUTS - Grade 8
Indented marks as a clock face, dot at
12.00, bar at 8.00, indicates grade 8
nut.
High Strength Friction Grip Bolts & Nuts
BOLT
NUT
BOLT
Grade
10.9
NUT
Grade
12