Bell & Gossett P5002169C Series VSCS - Manual (Page 39)

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Table 6: Capscrew Torque
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 38 60 120 190 210 300
Brass
Stainless Steel
or
4 10 17 27 42 83 130 200 300
SAE Grade 5 10 20 35 60 90 180 325 525 800
SAE Grade 8 13 28 46 75 115 225 370 590 895