Product information

Flexible joint

Flexible joint Lite JTN-PJW type

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  • For water supply
  • General purpose
For earthquake countermeasures for water receiving tanks, elevated water tanks, pumps, cooling towers, etc.
Due to its large displacement and low reaction force, it is effective in mitigating earthquake damage.

Standard specifications

Flexible type3-mount flexible
UsageFor water supply / General use
FlangeSPCC (Dacro processing)
Compatible dimensions: JIS10K
OthersJapan Water Works Association Certified Registered Product
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System used
Water supply/Clean waterSea water
Hot water supply×Oil×
Source×Chemical solution×
Chilled water/Cooling waterDrainage
Hot/Cold/Hot waterAround the pool circulation
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Other standards
JIS5K×
SUS flange×
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Features

・JWWA Japan Water Works Association certified registration product.
・Because of its low reaction force, it is effective in reducing damage caused by earthquakes.
・Weight reduction is achieved by adopting a newly designed press flange.
・Newly developed rubber (JW01) is used for the inner rubber.

・Durability of 200,000 cycles due to solid ring.

Conforms to the anti-vibration joints of the Ministry of Land, Infrastructure, Transport and Tourism "Public Building Construction Standard Specifications (Mechanical Equipment Construction Edition)"
Conforms to the "Ministerial Ordinance Concerning the Structure and Materials of Water Supply Equipment" (Ministry of Health, Labor and Welfare Ordinance No. 14)

Specifications/Standards

Product configuration
NameMaterial
Inner rubberSynthetic rubber (JW01)​ ​Note 1
External rubberSynthetic rubber
Reinforcement cordSynthetic fiber
Solid ringSS400
FlangeSPCC (Dacro treatment) Compatible dimensions: JIS10K
Caution seal-
Certification seal[Certified by JHF Registration No. G-581]
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*Note 1: Compliance with Ministry of Health and Welfare Ordinance No. 14 leaching performance
*Compliant with the "Ministerial Ordinance Concerning the Structure and Materials of Water Supply Equipment" (Ministry of Health and Welfare Ordinance No. 14)

Specification table
Part numberNominal diameter
(A)
Standard dimensions (mm)Mass
(kg)
Dimensional tolerance when mounted
(mm)
Flange spacing
i (mm)
Dimensional tolerance during operation
(mm)
Accessories/WashersRecommended bolt diameter​ ​Note 2​ ​
× Length L
Material: Equivalent to SS400 (Hot-dip galvanized)
L.dD.C.T.S.n-hBetween mounting surfacesEccentricity eShrinkageStretchEccentricityAngle of declination (°)M-12M-16M-20
JTN-20PJW2025020100758.344-150.7250±2.5±2.51.0 to 2.0505050108M12 × 45L
JTN-25PJW2525030125908.344-190.9250±2.5±2.51.0 to 2.0158M16×55L
JTN-32PJW32250301351008.344-191250±2.5±2.51.0 to 2.0158M16×55L
JTN-40PJW40250391401058.344-191.1250±2.5±2.51.0 to 2.0158M16×55L
JTN-50PJW502504915512016104-191.6250±2.5±2.57.0 to 8.0158M16×70L
JTN-65PJW652506417514018124-192.1250±2.5±2.58.0 to 9.5158M16×70L
JTN-80PJW802507618515018128-192.4250±2.5±2.58.0 to 9.51516M16×70L
JTN-100PJW1002509521017518128-192.8250±2.5±2.58.0 to 9.51516M16×70L
JTN-125PJW12525012225021020168-235.1250±2.5±2.511.5 to 13.51516M20×85L
JTN-150PJW15025014328024022168-235.5250±2.5±2.511.5 to 13.51516M20×90L
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*Note 2: Recommended bolts are not included. Please prepare by yourself.

Usage range

Handling precautions

・This product cannot be used for hot water supply. Please use Flexible joint.
* Water supply pipes/those intended to pass heated water are excluded.
・Be sure to use washers when using this product.
・Refer to the catalog for installation and use.

CONTACT

Feel free to contact us for a quote or inquiry

Feel free to contact us for a quote or inquiry

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