Flowserve VTP Wet Pit - Manual (Page 50)

VERTICAL TURBINE PUMPS (VTPS) CENTRIFUGAL PUMPS ENGLISH 71569224 – 10-13
Page 50 of 76 flowserve.com
Other tools may be required depending on
the accessories/ special parts used per contract.
Flowserve in general is not obligated to ship the tools
with any pump shipped.
Fastener Torques 6.6
Torque values shown are for standard
fasteners lubricated with high stress lubricant such as
graphite-oil, moly-disulphite, white lead, etc.
Fastener torques for bowl assembly 6.6.1
BOLT TORQUE VALUES FOR CLASS 2 LUBRICATED TREADS
Thread Data
Material group
A
316 SS
B
ASTM B164
UNS
NO4400
C
Hastalloy
C276
D
ASTM A449
GRADE 5
E
ASTM
A193
Grade B7M
F
SAE J429
Grade 8
Approximate Yield stress –N/mm 2 (psi)
Nominal
Diameter
Threads per
25 mm (in.)
207
(30000)
276
(40000)
345
(50000)
441
(60000)
552
(80000)
690
(100000)
mm (in.) Torque Nm (lbf·ft)
6 (0.25) 20 4(3) 5(4) 5(4) 7(5) 9(7) 12(9)
8 (0.31) 18 7(5) 8(6) 11(8) 14(10) 17(13) 21(16)
10 (0.37) 16 9(7) 14(10) 16(12) 20(15) 27(20) 34(25)
11 (0.43) 14 16(12) 20(15) 25(19) 31(23) 42(31) 53(39)
12 (0.5) 13 23(17) 31(23) 39(29) 47(35) 62(46) 78(58)
15 (0.56) 12 27(20) 45(33) 75(41) 66(49) 89(66) 111(82)
16 (0.62) 11 41(30) 60(44) 54(73) 88(65) 118(87) 149(110)
19 (0.74) 10 81(60) 101(75) 127(94) 149(110) 203(150) 257(190)
22 (0.87) 9 122(90) 163(120) 203(150) 258(190) 312(250) 420(310)
25 (1.00) 8 190(140) 244(180) 312(230) 366(270) 488(360) 610(450)
29 (1.13) 7 271(200) 352 (260) 448(330) 529(390) 705(520) 882(650)
29 (1.13) 7 271(200) 366(270) 461(340) 556(410) 732(540) 923(680)
32(1.25) 7 366(270) 488(360) 610(450) 746(550) 990(730) 1235(910)
32(1.25) 8 379(280) 502(370) 637(470) 760(560) 1017(750) 1275(940)
35(1.38) 6 434(320) 570(420) 719(530) 855(630) 1140(840) 1425(1050)
35(1.38) 8 461(340) 610(450) 760(560) 922(680) 1221(900) 1533(1130)
38(1.50) 6 556(410) 746(550) 936(690) 1126(830) 1506(1110) 1872(1380)
38(1.50) 8 597(440) 800(590) 990(730) 1194(880) 1587(1170) 1995(1470)
41(1.63) 5.5 719(530) 963(710) 1207(890) 1438(1060) 1927(1420) 2402(1770)
41(1.63) 8 773(570) 1031(760) 1302(960) 1560(1150) 2076(1530) 2592(1910)
44(1.75) 5 882(650) 1180(870) 1479(1090) 1778(1310) 2375(1750) 2958(2180)
44(1.75) 8 971(720) 1302(960) 1628(1200) 1940(1430) 2592(1910)
50(2.00) 4.5 1356(1000) 1778(1310) 2225(1640) 2673 (1970)
50(2.00) 8 1478(1090) 1968(1450) 2470(1820) 2958(2180)
57(2.25) 8 2143(1580) 2850(2100)
63(2.50) 8 2970(2190)