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株式会社TOZEN(トーゼン)

 

Technical data

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

Number of connected bolts
Mark/Number Name
(A) Rubber remaining compression amount
Bolt length
Hexagonal bolt (JIS B 1180 coarse thread)
Hexagonal bolt
Flat washers
Remaining compression amount
Spring washer
Nut
Flat washers
Other side piping
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