Series 150 Flange

PIPE SIZE STUD QTY DIAMETER LNG(RF/FF) LNG(RTJ)
1 4 1/2″ 2-1/2″ 3″
1.5 4 1/2″ 2-3/4″ 3-1/4″
2 4 5/8″ 3-1/4″ 3-3/4″
3 4 5/8″ 3-1/2″ 4-1/4″
4 8 5/8″ 3-1/2″ 4-1/4″
6 8 3/4″ 4″ 4-1/2″
8 8 3/4″ 4-1/4″ 4-3/4″
10 12 7/8″ 4-3/4″ 5-1/4″
12 12 7/8″ 4-3/4″ 5-1/2″
14 12 1″ 5-1/4″ 6″
16 16 1″ 5-1/2″ 6″
18 16 1-1/8″ 6″ 6-1/2″
20 20 1/1/8″ 6-1/2″ 7″
24 20 1-1/4″ 7″ 7-3/4″

Series 300 Flange

PIPE SIZE STUD QTY DIAMETER LNG(RF/FF) LNG(RTJ)
1 4 5/8″ 3″ 3-1/2″
1.5 4 3/4″ 3-1/2″ 4″
2 8 5/8″ 3-1/2″ 4″
3 8 3/4″ 4-1/4″ 4-3/4″
4 8 3/4″ 4-1/2″ 5″
6 12 3/4″ 4-3/4″ 5-1/2″
8 12 7/8″ 5-1/2″ 6″
10 16 1″ 6-1/4″ 6-3/4″
12 16 1-1/8″ 6-3/4″ 7-1/4″
14 20 1-1/8″ 7″ 7-1/2″
16 20 1-1/4″ 7-1/2″ 8″
18 24 1-1/4″ 7-3/4″ 8-1/4″
20 24 1/1/4″ 8-1/4″ 8-3/4″
24 24 1-1/2″ 9-1/4″ 10″

Series 600 Flange

PIPE SIZE STUD QTY DIAMETER LNG(RF/FF) LNG(RTJ)
1 4 5/8″ 3-1/2″ 3-1/2″
1.5 4 3/4″ 4-1/4″ 4-1/4″
2 8 5/8″ 4-1/4″ 4-1/2″
3 8 3/4″ 5″ 5-1/4″
4 8 7/8″ 5-3/4″ 6″
6 12 1″ 6-3/4″ 7″
8 12 1-1/8″ 7-3/4″ 8″
10 16 1-1/4″ 8-1/2″ 8-3/4″
12 20 1-1/4″ 8-1/2″ 8-3/4″
14 20 1-3/8″ 9-1/4″ 9-1/2″
16 20 1-1/2″ 10″ 10-1/4″
18 20 1-5/8″ 10-3/4″ 11″
20 24 1-5/8″ 11-1/2″ 11-3/4″
24 24 1-7/8″ 13″ 13-1/2″

Series 900 Flange

PIPE SIZE STUD QTY DIAMETER LNG(RF/FF) LNG(RTJ)
1 4 7/8″ 5″ 5″
1.5 4 1″ 5-1/2″ 5-1/2″
2 8 7/8″ 5-3/4″ 6″
3 8 7/8″ 5-3/4″ 6″
4 8 1-1/8″ 6-3/4″ 7″
6 12 1-1/8″ 7-3/4″ 8″
8 12 1-3/8″ 8-3/4″ 9″
10 16 1-3/8″ 9-1/4″ 9-1/2″
12 20 1-3/8″ 10″ 10-1/2″
14 20 1-1/2″ 10-3/4″ 11-1/2″
16 20 1-5/8″ 11-1/4″ 12″
18 20 1-7/8″ 13″ 13-1/2″
20 20 2″ 13-3/4″ 14-1/4″
24 20 2-1/2″ 17-1/4″ 18″