Flexible joint Lite JTN-PJW type

Flexible joint

Standard specifications
Features
Specifications/standards
Usage range

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 type	3-mount flexible
Usage	For water supply / General use
Flange	SPCC (Dacro processing) Compatible dimensions: JIS10K
Others	Japan Water Works Association Certified Registered Product

System used
Water supply/Clean water	◎	Sea water	◎
Hot water supply	×	Oil	×
Source	×	Chemical solution	×
Chilled water/Cooling water	◎	Drainage	◎
Hot/Cold/Hot water	◎	Around the pool circulation	△

Other standards
JIS5K	×
SUS flange	×

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

	Name	Material
①	Inner rubber	Synthetic rubber (JW01)Note 1
②	External rubber	Synthetic rubber
③	Reinforcement cord	Synthetic fiber
④	Solid ring	SS400
⑤	Flange	SPCC (Dacro treatment) Compatible dimensions: JIS10K
⑥	Caution seal	-
⑦	Certification seal	[Certified by JHF Registration No. G-581]

*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 number	Nominal diameter (A)	Standard dimensions (mm)							Mass (kg)	Dimensional tolerance when mounted (mm)		Flange spacing i (mm)	Dimensional tolerance during operation (mm)				Accessories/Washers			Recommended bolt diameterNote 2 × Length L
		Standard dimensions (mm)								Dimensional tolerance when mounted (mm)			Dimensional tolerance during operation (mm)				Material: Equivalent to SS400 (Hot-dip galvanized)
		L.	d	D.	C.	T.	S.	n-h		Between mounting surfaces	Eccentricity e		Shrinkage	Stretch	Eccentricity	Angle of declination (°)	M-12	M-16	M-20
JTN-20PJW	20	250	20	100	75	8.3	4	4-15	0.7	250±2.5	±2.5	1.0 to 2.0	50	50	50	10	8	－	－	M12 × 45L
JTN-25PJW	25	250	30	125	90	8.3	4	4-19	0.9	250±2.5	±2.5	1.0 to 2.0				15	－	8	－	M16×55L
JTN-32PJW	32	250	30	135	100	8.3	4	4-19	1	250±2.5	±2.5	1.0 to 2.0				15	－	8	－	M16×55L
JTN-40PJW	40	250	39	140	105	8.3	4	4-19	1.1	250±2.5	±2.5	1.0 to 2.0				15	－	8	－	M16×55L
JTN-50PJW	50	250	49	155	120	16	10	4-19	1.6	250±2.5	±2.5	7.0 to 8.0				15	－	8	－	M16×70L
JTN-65PJW	65	250	64	175	140	18	12	4-19	2.1	250±2.5	±2.5	8.0 to 9.5				15	－	8	－	M16×70L
JTN-80PJW	80	250	76	185	150	18	12	8-19	2.4	250±2.5	±2.5	8.0 to 9.5				15	－	16	－	M16×70L
JTN-100PJW	100	250	95	210	175	18	12	8-19	2.8	250±2.5	±2.5	8.0 to 9.5				15	－	16	－	M16×70L
JTN-125PJW	125	250	122	250	210	20	16	8-23	5.1	250±2.5	±2.5	11.5 to 13.5				15	－	－	16	M20×85L
JTN-150PJW	150	250	143	280	240	22	16	8-23	5.5	250±2.5	±2.5	11.5 to 13.5				15	－	－	16	M20×90L

*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.

Product information