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FORMULAS   ISOMETRIC SYMBOLS

90º ELBOW (LR, BW)
NOMINAL SIZETAKEOFF
2"3"
3"4 1/2"
4"6"
6"9"
8"12"
10"15"
12"18"
16"24"
24"36"

45º ELBOW (LR, BW)
NOMINAL SIZETAKEOFF
2"1 3/8"
3"2"
4"2 1/2"
6"3 3/4"
8"5"
10"6 1/4"
12"7 1/2"
16"10"
24"15"

STRAIGHT TEE (BW)
NOMINAL SIZETAKEOFF
2x22 1/2"
3x33 3/8"
4x44 1/8"
6x65 5/8"
8x87"
10x108 1/2"
12x1210"
16x1612"
24x2417"

REDUCER, ECC. & CON. (BW)
NOMINAL SIZETAKEOFF
2"3"
3"3 1/2"
4"4"
6"5 1/2"
8"6"
10"7"
12"8"
16"14"
24"20"

WELD NECK FLANGE - 150 LB. (RFWN, BW)
NOMINAL SIZETAKEOFF
2"2 1/2"
3"2 3/4"
4"3"
6"3 1/2"
8"4"
10"4"
12"4 1/2"
16"5"
24"6"

WELD NECK FLANGE - 300 LB. (RFWN, BW)
NOMINAL SIZETAKEOFF
2"2 3/4"
3"3 1/8"
4"3 3/8"
6"3 7/8"
8"4 3/8"
10"4 5/8"
12"5 1/8"
16"5 3/4"
24"6 5/8"

WELD NECK FLANGE - 600 LB. (RFWN, BW)
NOMINAL SIZETAKEOFF
2"3 1/8"
3"3 1/2"
4"4 1/4"
6"4 7/8"
8"5 1/2"
10"6 1/4"
12"6 3/8"
16"7 1/4"
24"8 1/4"

WELD NECK FLANGE - 900 LB. (RFWN, BW)
NOMINAL SIZETAKEOFF
2"4 1/4"
3"4 1/4"
4"4 3/4"
6"5 3/4"
8"6 5/8"
10"7 1/2"
12"8 1/8"
16"8 3/4"
24"11 3/8"