Sermatech Ethylene
  Neutral Lengths for Flexijoint® Expansion Bellows
 

The table that follows gives the neutral or "as-shipped" lengths of Ethylene's Flexijoint bellows as measured from PTFE flare faces to flare face.

Bellows can be shipped in either the extended or compressed positions upon request. Please contact Sermatech-Ethylene for technical support.

 

Neutral Lengths

Size

Number of Convolutions
2 3 4 5 6 7 8 9 10
1/2 1-5/8 2-5/32 2-11/16 3-7/32 3-25/32 4-5/16 4-27/32 5-3/8 5-15/16
3/4 1-5/8 2-3/16 2-23/32 3-9/32 3-13/16 4-3/8 4-29/32 5-15/32 6
1 1-3/4 2-5/16 2-29/32 3-1/2 4-1/16 4-21/32 5-7/32 5-13/16 6-13/32
1-1/2 1-13/16 2-13/32 3 3-5/8 4-7/32 4-13/16 5-13/32 6-1/32 6-5/8
2 1-7/8 2-1/2 3-1/8 3-3/4 4-3/8 4-31/32 5-19/32 6-7/32 6-27/32
3 2-3/16 2-29/32 3-5/8 4-3/8 5-3/32 5-13/16 6-9/16 7-9/32 8
4 2-9/32 3-1/16 3-13/16 4-9/16 5-11/32 6-3/32 6-7/8 7-5/8 8-13/32
6 2-17/32 3-3/8 4-3/16 5-1/32 5-7/8 6-23/32 7-9/16 8-13/32 9-1/4
8 2-3/4 3-21/32 4-19/32 5-1/2 6-13/32 7-11/32 8-1/4 9-5/32 10-3/32
10 2-31/32 3-15/16 4-15/16 5-15/16 6-29/32 7-29/32 8-7/8 9-7/8 10-27/32
12 3-3/16 4-1/4 5-5/16 6-3/8 7-7/16 8-1/2 9-9/16 10-5/8 11-23/32
14 3-3/8 4-15/32 5-19/32 6-23/32 7-27/32 8-31/32 10-3/32 11-3/16 12-5/16
16 3-11/16 4-29/32 6-1/8 7-11/32 8-9/16 9-13/16 11-1/32 12-1/4 13-15/32
18 4 5-11/32 6-11/16 8-1/32 9-11/32 10-11/16 12-1/32 13-3/8 14-23/32
20 4-5/32 5-17/32 6-15/16 8-5/16 9-11/16 11-3/32 12-15/32 13-7/8 15-1/4
24 4-21/32 6-7/32 7-25/32 9-5/16 10-7/8 12-7/32 14 15-17/32 17-3/32
28 5-1/8 6-7/8 8-9/16 10-5/16 12 13-3/4 15-7/16 17-3/16 18-7/8
30 5-5/8 7-17/32 9-13/32 11-5/16 13-3/16 15-1/16 16-15/16 18-27/32 20-3/4
32 6 8 10-1/16 12-1/16 14-1/16 16-1/16 18-1/16 20-1/8 22-1/8
36 6-5/16 8-7/16 10-17/32 12-5/8 14-3/4 16-7/8 18-15/16 21-1/16 23-1/8
42 7 9-3/8 11-11/16 14 16-3/8 18-11/16 21-1/16 23-3/8 25-11/16