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Attachment bolt dimension table and list of product remaining compression amounts at initial installation

Rubber flexible joints attachment bolt dimension table

Rubber flexible joints Rubber flexible joints
Number Name
Other side piping
Rubber flexible joints
Nuts
Spring washer
Flat washers
Remaining compression amount
Flat washers
Hexagonal bolt
(JIS B 1180 coarse thread)
Nominal diameter PT CONNECTOR・OFLEX・TOZENFLEX
PURE JOINT
LINERFLEX(Type A)
ELBOFLEX(Type A)
TOUGHLEX
BF CONNECTOR
TOUGHBOY
KINGFLEX 20 SILENT
CONNECTOR
JIS5K JIS10K JIS20K JIS G 3443-2
(F12)
JIS10K JIS20K JIS10K
20 M12×55L(4) M12×55L(4) M12×55L(4)
25 M16×60L(4) M16×65L(4) M16×60L(4)
32 M12×50L(4) M16×60L(4) M16×70L(4) M16×65L(4) M16×70L(4) M16×60L(4)
40 M12×55L(4) M16×60L(4) M16×70L(4) M16×65L(4) M16×70L(4) M16×60L(4)
50 M12×55L(4) M16×60L(4) M16×70L(8) M16×65L(4) M16×70L(8) M16×60L(4)
65 M12×55L(4) M16×65L(4) M16×70L(8) M16×65L(4) M16×75L(8) M16×65L(4)
80 M16×60L(4) M16×65L(8) M20×80L(8) M16×70L(4) M16×65L(8) M20×85L(8) M16×65L(8)
100 M16×65L(8) M16×65L(8) M20×85L(8) M16×70L(4) M16×65L(8) M20×85L(8) M16×85L(8)
125 M16×65L(8) M20×75L(8) M22×90L(8) M16×75L(6) M20×75L(8) M22×95L(8) M20×70L(8)
150 M16×70L(8) M20×80L(8) M22×95L(12) M16×75L(6) M20×80L(8) M22×95L(12) M20×75L(8)
200 M20×80L(8) M20×80L(12)
M20×90L(12)※1
M22×100L(12) M16×80L(8) M20×80L(12) M22×100L(12)
250 M20×80L(12) M22×90L(12) M24×115L(12) M20×90L(8) M22×90L(12) M24×110L(12)
300 M20×80L(12) M22×90L(16) M24×115L(16) M20×90L(10) M22×90L(16) M24×115L(16)
350 M22×95L(16) M22×95L(10)
400 M24×100L(16) M22×95L(12)

※1PURE JOINT

※2Please use the included flat washers on the main unit side

  • The numbers in brackets indicate the numbers of holes in the single-sided flanges
  • LINERFLEX(Type C)、ELBOFLEX
    (B and C Types) Refer to rubber flexible expansion joints

Rubber flexible expansion joints Attachment bolt dimension table

Rubber flexible expansion joints01 Rubber flexible expansion joints02 Rubber flexible expansion joints03
Number Name
Nut
Spring washer
Flat washers
Remaining compression amount
Other side piping
Rubber flexible expansion joints
Only 15A
Hexagonal bolt
(JIS B 1180 coarse thread)
Nominal diameter JIS5K JIS10K JIS G3443-2(F12)
15 M12×55L(4)
20 M10×50L(4) M12×60L(4)
25 M10×50L(4) M16×65L(4)
32 M12×50L(4) M16×70L(4)
40 M12×50L(4) M16×70L(4)
50 M12×55L(4) M16×70L(4)
65 M12×55L(4) M16×75L(4)
80 M16×60L(4) M16×75L(8) M16×75L(4)
100 M16×65L(8) M16×75L(8) M16×75L(4)
125 M16×65L(8) M20×80L(8) M16×80L(6)
150 M16×70L(8) M20×90L(8) M16×80L(6)
200 M20×85L(8) M20×90L(12) M16×80L(8)
250 M20×90L(12) M22×90L(12) M20×90L(8)
300 M20×90L(12) M22×95L(12) M20×90L(10)
350 M22×95L(12) M22×95L(12) M22×95L(10)
400 M22×95L(16) M24×100L(16) M22×95L(12)
400 M22×95L(16) M24×100L(16) M22×95L(12)
450 M22×95L(16) M24×105L(20) M24×105L(12)
500 M22×100L(20) M24×105L(20) M24×105L(12)
600 M22×110L(20) M30×125L(24) M24×115L(16)
700 M22×110L(24) M30×125L(24) M30×125L(16)
800 M30×120L(24) M30×130L(28) M30×130L(20)
900 M30×125L(24) M30×135L(28) M30×130L(20)
  • The numbers in brackets indicate
    the numbers of holes in the single-sided flanges

Fluoro carbon polymer material flexible joints attachment bolt dimension table

Fluoro carbon polymer material flexible joints.01 Fluoro carbon polymer material flexible joints.02
Number Name
Other side piping
U-FLEX
Spring washer
Flat washer
Remaining compression amount
Hexagonal bolt (JIS B 1180 coarse thread)
Nominal diameter Numbers of holes
in the single-sided flanges 
U-FLEX FLONEXα
FLONEXα T-3
FLONEXα
T-5
LT CONNECTOR POLIFLEX POLIFLEX
SOFT
POLIFLEX-T
JIS10K ※1 ※2
15A 4 M12×50L M12×55L M12×55L M12×55L
20A 4 M12×50L M12×35L M12×35L M12×35L M12×55L M12×55L M12×60L
25A 4 M16×50L M16×35L M16×40L M16×60L M16×60L M16×65L M16×65L
32A 4 M16×55L M16×40L M16×40L M16×65L M16×65L M16×70L M16×70L
40A 4 M16×55L M16×40L M16×40L M16×65L M16×65L M16×70L M16×70L
50A 4 M16×55L M16×45L M16×45L M16×65L M16×65L M16×70L M16×70L
65A 4 M16×60L M16×45L M16×50L M16×65L M16×70L M16×75L M16×75L
80A 8 M16×60L M16×50L M16×50L M16×65L M16×70L M16×75L M16×75L
100A 8 M16×60L M16×50L M16×50L M16×65L M16×70L M16×75L M16×75L
125A 8 M20×70L M20×60L M20×60L M20×85L
150A 8 M20×75L M20×60L M20×60L M20×90L
200A 12 M20×75L M20×65L M20×65L M20×90L
250A 12 M22×80L M22×70L
300A 16 M22×80L M22×70L

※1 Please use the attachment bolts specified in the table above. Nuts are not required.
(When using a JIS 10K companion flange, SS440 or SUS304.316 materials, 1 flat washer, and 1 spring washer, with no gasket)

※2 Please use the attachment bolts specified in the table above
((When using a JIS 10K companion flange, SS440 or SUS304.306 materials, 2 flat washers, and 1 spring washer, with no gasket))

water-hammer prevention device MOOHA attachment bolt dimension table

水撃防止器ムーハ
Number Name
Hexagonal bolt
(JIS B 1180 coarse thread)
Model MOOHA Numbers of holes
in the single-sided flanges  JIS10K
MH-25 M16×35L 4
MH-50 M16×40L 4
MH-80 M16×45L 8
MH-100 M16×45L 8
MH-125 M20×50L 8
MH-150 M20×50L 8

List of remaining compression amounts at initial installation

Rubber flexible joints Remaining compression amount(mm)

Rubber flexible joints Remaining compression amount(mm)
Nominal diameter LINERFLEX
(A)
TOUGHBOY
KINGFLEX 20 TOUGHLEX PT CONNECTOR
TOZENFLEX
ELBOFLEX(A)
OFLEX
ELBOFLEX(B・C)
LINERFLEX
PURE JOINT
BF-CONNECTOR
(Up to 100A)
20.25 1 1 1 1
32~80 1 4 1 1~2 1
100 1 4 1 1~2 8.5 1
125 1 4 1 1~2 8.5 1~2
150 1 4 1 1~2 13 1~2
200 1 4 1.5 2~3 13 13
250.300 1 2 2 2~3 13
350~450 4 13

Remaining compression amounts (mm) for Screw In Connection rubber flexible joint

Remaining compression amounts (mm) for Screw In Connection rubber flexible joint
Nominal diameter PT CONNECTORS・TOZENFLEXS
15~25 3~3.5
32.40 4~4.5
50 5~5.5

Recommended tightening torque for Cap Nut Connection rubber flexible joint(N.cm){kgf.cm}

Recommended tightening torque for Cap Nut Connection rubber flexible joint(N.cm){kgf.cm}
Nominal diameter FACOLEX
15 2900{300}
20 5900{600}
25 9800{1000}
32 14700{1500}

Recommended tightening torque for Cap Nut Connection Rubber flexible expansion joints(N.cm){kgf.cm}

Rubber flexible expansion joints(mm)
Nominal diameter LS CONNECTOR・LS CONNECTOR TypeG・LC CONNECTOR
15※~125 8.5
150~500 13
600~800 18
900 20
1000~1500※ 0
Tighten to the flange external ribs.

※15 and 1000~1500 is only LS・LC

Fluoro carbon polymer material flexible joints Remaining compression amount(mm)

Fluoro carbon polymer material flexible joints Remaining compression amount(mm)
Nominal diameter U-FLEX
20~100 1~1.5
125・150 1~2
200 2~2.5
250・300 2.5~3.5

When using a JIS 10K companion flange (FF), SS400 materials, flat washer(s), and spring washer(s), with no gasket

Fluoro carbon polymer material flexible joints
 Recommended tightening torque(N・cm){kgf・cm}

Fluoro carbon polymer material flexible joints.
Recommended tightening torque(N・cm){kgf・cm}
Nominal diameter FLONEXa・T-3・T-5
20・25 1764{180}
32・40 2450{250}
50 3430{350}
65 4018{410}
80 2646{270}
100 4018{410}
125 6566{670}
150 8134{830}
200 6566{670}
250 9506{970}
300 7840{800}