Bray Triple Offset - Manual (Page 14)

12 O & M
ASME CLASS
150 & 300
A D i v i s i o n o f B r a y I n t e r n a t i o n a l , I n c .
The Ultimate Critical Service Triple Offset Valve
O p e r a t i o n a n d M a i n t e n a n c e M a n u a l
Valve
Size
Class 150 Class 300
Seat Torque Seal Torque
Plug
Torque
Bottom Plate
Cap Screw
Torque
Seat Torque Seal Torque
Plug
Torque
Bottom Plate
Cap Screw
Torque
in mm Lb-in Nm Lb-in Nm Lb-in Nm Lb-in Nm Lb-in Nm Lb-in Nm Lb-in Nm Lb-in Nm
3 80 50 - 60 5.6 - 6.8 40 - 50 4.5 - 5.1 720 81 – – 50 - 60 5.6 - 6.8 40 - 50 4.5 - 5.1 720 81 – –
4 100 100 - 120 11.3 - 13.6 60 - 70 6.8 - 7.9 720 81 – – 100 - 120 11.3 - 13.6 60 - 70 6.8 - 7.9 720 81 – –
6 150 100 - 120 11.3 - 13.6 100 - 110 11.3 - 12.4 840 95 – – 170 - 180 19.2 - 20.3 110 - 120 12.4 - 13.6 960 110 – –
8 200 170 - 180 19.2 - 20.3 120 - 130 13.6 - 14.7 960 110 – – 300 - 320 33.9 - 36.2 160 - 180 18.1 - 20.3 1,080 122 – –
10 250 300 - 320 33.9 - 36.2 170 - 190 19.2 - 21.5 1,080 122 – – 300 - 320 33.9 - 36.2 210 - 230 23.7 - 26.0 1,440 163 – –
12 300 300 - 320 33.9 - 36.2 220 - 240 24.9 - 27.1 1,200 136 – – 300 - 320 33.9 - 36.2 230 - 250 26.0 - 28.2 – – 380 43
14 350 300 - 320 33.9 - 36.2 230 - 250 26.0 - 28.2 – – 380 43 500 - 530 56.5 - 59.9 320 - 340 36.2 - 38.4 – – 500 57
16 400 300 - 320 33.9 - 36.2 310 - 330 35.0 - 37.3 – – 500 57 500 - 530 56.5 - 59.9 360 - 380 40.7 - 42.9 – – 750 85
18 450 500 - 530 56.5 - 59.9 330 - 350 37.3 - 39.5 – – 750 85 500 - 530 56.5 - 59.9 440 - 470 49.7 - 53.1 – – 750 85
20 500 500 - 530 56.5 - 59.9 400 - 430 45.2 - 48.6 – – 750 85 800 - 840 90.4 - 94.9 470 - 500 53.1 - 56.5 – – 700 79
24 600 500 - 530 56.5 - 59.9 470 - 500 53.1 - 56.5 – – 700 79 800 - 840 90.4 - 94.9 540 - 570 61.0 - 64.4 – – 1,200 136
30 750 930-950 105 - 107 440 - 460 50 - 52 – – 1,200 136 990 - 1010 112 - 115 470 - 490 54 - 56 – – 1,600 181
32 800 990-1010 112 - 114 490 - 510 56 - 58 – – 1,200 136 – – – – – – – –
36 900 920-940 104 - 106 590 - 610 67 - 69 – – 1,600 181 990 - 1010 112 - 115 610 - 630 69 - 72 – – 1,600 181
40 1000 990-1010 112 - 114 510 - 530 58 - 60 – – 1,850 209 – – – – – – – –
42 1050 1040-1080 117 - 122 540 - 560 62 - 64 – – 1,850 209 1090 - 1110 124 - 126 550 - 570 63 - 65 – – 2,400 271
48 1200 1180-1210 133 - 137 590 - 610 67 - 69 – – 2,000 226 1190 - 1210 135 - 137 590 - 610 67 - 69 – – 2,200 249
Table 3
Torque Values For Body seat (replaceable) Retaining Cap Screws and Disc Seal Retaining Cap Screws
Valve Size Gland Nut Torque - Class 150 Gland Nut Torque - Class 300
in mm Lb-in. Nm Lb-in. Nm
3 80 35 4.0 45 5.1
4 100 35 4.0 45 5.1
6 150 45 5.1 65 7.3
8 200 45 5.1 80 9.0
10 250 65 7.3 100 11.3
12 300 65 7.3 100 11.3
14 350 80 9.0 125 14.1
16 400 80 11.3 150 16.9
18 450 100 11.3 150 16.9
20 500 100 11.3 150 16.9
24 600 100 16.9 200 22.6
30 750 650 73.4 1090 123.2
32 800 650 73.4 - -
36 900 850 96.0 1200 135.6
40 1000 1090 123.2 - -
42 1050 1090 123.2 1600 180.8
48 1200 1200 135.6 2100 237.3
Table 2
Torque Values for Gland Retaining Nuts