Flange attachment bolt dimension table
Bolt sizes and lengths
| Nominal diameter | Rubber materials | Metal・fluoro carbon polymer materials | |
|---|---|---|---|
| JIS 10K | JIS 10K | JIS 20K | |
| 20 | M12×60L(4) | M12×65L(4) | M12×65L(4) |
| 25 | M16×65L(4) | M16×70L(4) | M16×75L(4) |
| 32 | M16×70L(4) | M16×75L(4) | M16×75L(4) |
| 40 | M16×70L(4) | M16×75L(4) | M16×75L(4) |
| 50 | M16×70L(4) | M16×75L(4) | M16×80L(4) |
| 65 | M16×75L(4) | M16×80L(4) | M16×80L(4) |
| 80 | M16×75L(8) | M16×80L(8) | M20×90L(8) |
| 100 | M16×75L(8) | M16×80L(8) | M20×95L(8) |
| 125 | M20×80L(8) | M20×90L(8) | M22×105L(8) |
| 125 | M20×80L(8) | M20×90L(8) | M22×105L(8) |
| 150 | M20×90L(8) | M20×90L(8) | M22×110L(12) |
| 200 | M20×90L(12) | M20×90L(12) | M22×110L(12) |
| 250 | M22×90L(12) | M22×95L(12) | M24×125L(12) |
| 300 | M22×95L(16) | M22×95L(16) | M24×125L(16) |
- The numbers in brackets indicate the numbers of holes in the single-sided flanges
- Please refer to “Metal Material and Fluoro Carbon Polymer Material” in the above table regarding flange attachment bolts for twisting-absorbent joints and swivel joints.。
- Please insert attachment bolts from the product side and tighten the nuts from the other side. We recommend fitting spring washers to prevent looseness.
Number of connected bolts
| Mark/Number | Name |
|---|---|
| (A) | Rubber remaining compression amount |
| ① | Bolt length |
| ② | Hexagonal bolt (JIS B 1180 coarse thread) |
| ③ | Hexagonal bolt |
| ④ | Flat washers |
| ⑤ | Remaining compression amount |
| ⑥ | Spring washer |
| ⑦ | Nut |
| ⑧ | Flat washers |
| ⑨ | Other side piping |
| ⑩ | Seismic isolation joint |
| Nominal diameter | JIS 10K | JIS 20K |
|---|---|---|
| 20 | 4 | 4 |
| 25 | 4 | 4 |
| 32 | 4 | 4 |
| 40 | 4 | 4 |
| 50 | 4 | 8 |
| 65 | 4 | 8 |
| 80 | 8 | 8 |
| 100 | 8 | 8 |
| 125 | 8 | 8 |
| 150 | 8 | 12 |
| 200 | 12 | 12 |
| 250 | 12 | 12 |
| 300 | 16 | 16 |
- ※Please refer to “Metal Material and Fluoro Carbon Polymer Material” in the above table regarding flange attachment bolts for twisting-absorbent joints and swivel joints.
- ※Please insert attachment bolts from the product side and tighten the nuts from the other side. We recommend fitting spring washers to prevent slackness
SEQULEX 2 packing (gaskets)
| Joint types | Presence/absence of packing (gaskets) | |
|---|---|---|
| Rubber materials | Not necessary due to the integral molded packing design |
|
| Metal materials | Water usage・No.199-10K | Not necessary as attached to joints |
| No.199-20 | We request arrangement by the customer | |
| No.20・Type No.20 | We request arrangement by the customer | |
| Fluoro carbon polymer materials | We request arrangement by the customer | |
| Twisting-absorbent joints | We request arrangement by the customer | |
| Swivel joints | We request arrangement by the customer | |
| J system | We request arrangement by the customer | |
