4 recommended spares, 5 fastener torques, Hwx user instructions english - 07/14 – Flowserve HWX Worthington User Manual
Page 23: Page 23 of 40
HWX USER INSTRUCTIONS ENGLISH - 07/14
Page 23 of 40
6.4 Recommended spares
Spares Recommended
Part
Start up
Normal Maintenance
No. of identical pumps
1 - 3
4 - 6
7+
1 - 3
4 - 6
7 - 9
10+
Case
1
Head (case cover and stuffing box)
1
Bearing housing
1
Shaft (w/key)
1
1
2
1
Impeller
1
1
2
3
Wear rings (set)
1
1
1
1
1
2
3
Bearings complete (antifriction, radial)
1
2
3
1
2
3
3
Bearings complete (antifriction, thrust)
1
2
3
1
2
3
3
Mechanical seal complete (Cartridge)
1
2
3
1
2
3
3
Shaft sleeve and stage bushing (set)
1
2
3
1
2
3
3
Gaskets, O-rings (set)
1
2
3
1
2
3
3
6.5 Fastener torques
Tightening Torque M
A
Nm (lbf.ft)
Duplex SS
Carbon Steel
Austenitic SS
Size
of
Screw
S32760,
S31803,
1.4462
A193 B7M,
A320 L7M
(NACE)
A193 B7,
A320 L7,
8.8
3.6
4.6
10.9
A193 B8M
Cl2
A4-70,
A2-70
A193
B8/B8M,
A193 B8MA
(NACE)
A2-50,
A4-50
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm]
[lbf.ft]
[Nm] [lbf.ft] [Nm] [lbf.ft] [Nm] [lbf.ft]
M4
2.1
(1.5)
4.2
(3.1)
3
(2.2)
0.8
(0.6)
1.1
(0.8)
4.6
(3.4)
3.2
(2.4)
1.9
(1.4)
0.9
(0.7)
M5
4.1
(3)
8.3
(6.1)
5.9
(4.4)
1.6
(1.2)
2.2
(1.6)
8.6
(6.3)
6.4
(4.7)
3.6
(2.7)
1.6
(1.2)
M6
7.1
(5.2)
14.2
(10.5)
10.1
(7.4)
2.8
(2.1)
3.7
(2.7)
14.9
(11)
10.9
(8)
6.3
(4.6)
2.9
(2.1)
M8
17
(12.5)
35
(26)
24.6
(18.1)
6.8
(5)
9.1
(6.7)
36
(27)
27
(19.9)
15
(11.2)
7.1
(5.2)
M10
34
(25)
68
(50)
48
(35)
13.7
(10.1)
18.3
(13)
71
(52)
52
(38)
30
(22)
14
(10.3)
M12
59
(44)
118
(87)
84
(62)
23
(17)
31
(23)
123
(91)
91
(67)
51
(38)
24
(17.7)
M14
94
(69)
187
(138)
133
(98)
37
(27)
50
(37)
195
(144)
143
(105)
82
(60)
38
(28)
M16
145
(107)
290
(214)
206
(152)
57
(42)
76
(56)
302
(223)
222
(164)
126
(93)
58
(43)
M18
201
(148)
335
(247)
295
(218)
80
(59)
106
(78)
421
(311)
308
(227)
176
(130)
82
(60)
M20
283
(209)
472
(348)
415
(306)
112
(83)
150
(111)
592
(437)
434
(320)
247
(182)
115
(85)
M22
387
(285)
644
(475)
567
(418)
151
(111)
202
(149)
807
(595)
473
(349)
337
(249)
157
(116)
M24
487
(359)
811
(598)
714
(527)
193
(142)
257
(190)
1017
(750)
595
(439)
426
(314)
198
(146)
M27
716
(528)
1193
(880)
1050
(774)
284
(209)
379
(280)
1496
(1103)
716
(528)
292
(215)
M30
968
(714)
1614
(1190)
1420
(1047)
386
(285)
515
(380)
2033
(1500)
968
(714)
397
(293)
M33
1315
(970)
2191
(1616)
1928
(1422)
523
(386)
697
(514)
2747
(2026)
1008 (744)
536
(395)
M36
1692
(1248)
2820
(2080)
2482
(1831)
672
(496)
897
(662)
3535
(2607)
1297 (957)
690
(509)
M39
2187
(1613)
3645
(2689)
3208
(2366)
870
(642)
1160
(856)
4569
(3370)
890
(656)
M42
2714
(2002)
3920
(2891)
3980
(2936)
1146
(845)
1447 (1067)
5670
(4182)