Xylem P2000515 Marlow Series 530 SC Close Coupled Base Mounted Centrifugal Pump Kits - Manual (Page 3)

3
CAPSCREW TORQUE (FOOT-POUND)
Capscrew Diameter
Capscrew
Type
Head
Marking
1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1
SAE Grade 2 6 13 25 60 120 120 190 210 300
Brass
Stainless Steel
or 4 10 17 42 83 83 130 200 300
SAE Grade 5 10 20 35 90 180 180 325 525 800