JACK SCREW SIZES FOR
RING JOINT FACE ORIFICE FLANGES

 

Nominal Pipe Size 300# 400# 600# 900# 1500#
Size Length Hole size Size Length Hole size Size Length Hole size Size Length Hole size Size Length Hole size
1 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 3/4 5/8 3-3/4 3/4
1-1/4 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 3/4 5/8 3-3/4 3/4
1-1/2 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 3/4 5/8 3-3/4 3/4
2 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 3-3/4 11/16 5/8 4 3/4 5/8 4 3/4
2-1/2 3/4 3-3/4 13/16 3/4 3-3/4 13/16 3/4 3-3/4 13/16 5/8 4-1/4 3/4 5/8 4-1/4 3/4
3 3/4 3-3/4 13/16 3/4 3-3/4 13/16 3/4 3-3/4 13/16 3/4 4 7/8 3/4 4-1/2 7/8
4 3/4 3-3/4 13/16 3/4 4 7/8 3/4 4 7/8 3/4 4-1/4 7/8 3/4 5 7/8
5 3/4 4 7/8 3/4 4 7/8 3/4 4-1/4 7/8 3/4 4-1/2 7/8 3/4 6 7/8
6 3/4 4 7/8 7/8 4-1/2 1 7/8 4-1/2 1 1 5 1-1/8 1 6 1-1/8
8 3/4 4-1/4 7/8 7/8 4-1/2 1 7/8 5 1 1 5 1-1/8 1 7 1-1/8
10 1 4-1/2 1-1/8 7/8 5 1 7/8 5 1 1 5-1/2 1-1/8 1 7 1-1/8
12 1 4-1/2 1-1/8 7/8 5 1 7/8 5-1/2 1 1 6 1-1/8 1 8 1-1/8
14 1 5 1-1/8
16 1 5 1-1/8
18 1 5 1-1/8
20 1 5-1/2 1-1/8
24 1 5-1/2 1-1/8