These fasteners are used to mechanically join or affix other hardware objects together, and come in many forms which include rivets, nuts, bolts, studs, screws, washers, eyebolts, nails, and threaded fasteners.NPS STUD BOLTS DIAMETER in.
LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 5 34 95 110 8 6 34 100 115 8 8 34 110 120 8 10 78 115 125 12 12 78 120 135 12 14 1 135 145 12 16 1 135 145 16 18 1.18 145 160 16 20 1.18 160 170 20 24 1.14 170 185 20 CLASS 300 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 300 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ BOLTS NUMBER 12 12 65 75 4 34 58 75 90 4 1 58 75 90 4 1.14 58 85 95 4 1.12 34 90 100 4 2 58 90 100 8 2.12 34 100 115 8 3 34 110 120 8 3.12 34 110 125 8 4 34 115 125 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ BOLTS NUMBER 5 34 120 135 8 6 34 120 140 12 8 78 140 150 12 10 1 160 170 16 12 1.18 170 185 16 14 1.18 180 190 20 16 1.14 190 205 20 18 1.14 195 210 24 20 1.14 205 220 24 24 1.12 230 255 24 CLASS 400 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 400 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ BOLTS NUMBER 12 12 75 75 4 34 58 90 90 4 1 58 90 90 4 1.14 58 95 95 4 1.12 34 110 110 4 2 58 110 110 8 2.12 34 120 120 8 3 34 125 125 8 3.12 78 140 140 8 4 78 140 140 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ BOLTS NUMBER 5 78 145 145 8 6 78 150 150 12 8 1 170 170 12 10 1.18 190 190 16 12 1.14 205 205 16 14 1.14 210 210 20 16 1.38 220 220 20 18 1.38 230 230 24 20 1.12 240 250 24 24 1.34 265 280 24 CLASS 600 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 600 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 12 12 75 75 4 34 58 90 90 4 1 58 90 90 4 1.14 58 95 95 4 1.12 34 110 110 4 2 58 110 110 8 2.12 34 120 120 8 3 34 125 125 8 3.12 78 140 140 8 4 78 145 145 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 5 1 165 165 8 6 1 170 170 12 8 1.18 190 195 12 10 1.14 215 215 16 12 1.14 220 220 20 14 1.38 235 235 20 16 1.12 255 255 20 18 1.58 275 275 20 20 1.58 285 290 24 24 1.78 330 335 24 CLASS 900 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 900 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 12 34 110 110 4 34 34 115 115 4 1 78 125 125 4 1.14 78 125 125 4 1.12 1 140 140 4 2 78 145 145 8 2.12 1 160 160 8 3 78 145 145 8 4 1.18 170 170 8 5 1.14 190 190 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 6 1.18 190 195 12 8 1.38 220 220 12 10 1.38 235 235 16 12 1.38 255 255 20 14 1.12 275 280 20 16 1.58 285 290 20 18 1.78 325 335 20 20 2 350 360 20 24 2.12 440 455 20 Lengths in mm CLASS 1500 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 1500 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 12 34 110 110 4 34 34 115 115 4 1 78 125 125 4 1.14 78 125 125 4 1.12 1 140 140 4 2 78 145 145 8 2.12 1 160 160 8 3 1.18 180 180 8 4 1.14 195 195 8 5 1.12 250 250 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 6 1.38 260 265 12 8 1.58 290 300 12 10 1.78 335 345 12 12 2 375 385 16 14 2.14 405 425 16 16 2.12 445 470 16 18 2.34 495 525 16 20 3 540 565 16 24 3.12 615 650 16 CLASS 2500 FLANGES Stud bolts dimensions for ASME B16.5 RF and RTJ flanges class 2500 (in millimeters) NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 12 34 120 120 4 34 34 125 125 4 1 78 140 140 4 1.14 1 150 150 4 1.12 1.18 170 170 4 2 1 180 180 8 2.12 1.18 195 205 8 NPS STUD BOLTS DIAMETER in. LENGHT RF LENGHT RTJ STUD BOLTS NUMBER 6 1.38 260 265 12 8 1.58 290 300 12 10 1.78 335 345 12 12 2 375 385 16 14 2.14 405 425 16 16 2.12 445 470 16 18 2.34 495 525 16 20 3 540 565 16 24 3.12 615 650 16 STUD BOLTS WEIGHT WEIGHT IMPERIAL STUD BOLTS The table shows the weight in kgs. The torque chart is for reference only and assumes properly lubricated ASTM A193 B7 stud bolts with ASTM A194 2H steel nuts. Weight Of Nuts And Bolts Full Face GasketsCLASS 150 FLANGE Stud bolt torque chart for ASME B16.5 FF and RF class 150 flanges Flange Size B16.5 Class 150 RF Ring Gaskets B16.5 Class 150 FF Full Face Gaskets Torque Round (ft-lbs) Stud Bolts Tighten Sequence Torque Round (ft-lbs) Stud Bolts Tighten Sequence 1st 2nd Final DwgNo. Tecnos SA Via S. Balestra, 10 6900 Lugano Switzerland Contact Us Phone: 41 (0) 91 2347510 Email: email protected Address: Tecnos SA, Via S. Balestra, 10 6900 Lugano Switzerland Follow Us.
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