Flexible joint JK Type

Flexible joint

Standard specifications
Features
Specifications/standards
Usage range
Related product

General purpose

Best anti-vibration joint for general use

Standard specifications

Flexible type	1 mountain flexible
Usage	General purpose
Flange	SS400 (Electrogalvanized) Compatible dimensions: JIS10K

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	〇：Available
Japan Water Association Certified Registered Product	×

Features

・Durability of 200,000 cycles due to solid ring.
・Low elongation and low reaction force.
・Excellent anti-vibration effect thanks to newly developed rubber.

Conforms to the anti-vibration joints of the Ministry of Land, Infrastructure, Transport and Tourism "Public Building Construction Standard Specifications (Mechanical Equipment Construction Edition)"

Specifications/Standards

Product configuration

	Name	Material
①	Inner rubber	Synthetic rubber
②	External rubber	Synthetic rubber
③	Reinforcement cord	Synthetic fiber
④	Solid ring	SS400
⑤	Flange	SS400 (Electrogalvanized, Compatible dimensions: JIS10K)
⑥	Caution seal	-

Specification table

Part number	Nominal diameter (A)	Standard dimensions (mm)							Mass (kg)	Mounting Dimensional Tolerance (mm)		Flange spacing i (mm)	Dimensional tolerance during operation (mm)				Recommended bolt diameterNote 1 × Length L
Part number	Nominal diameter (A)	L.	d	D.	C.	T.	S.	n-h	Mass (kg)	Between mounting surfaces	Eccentricity e	Flange spacing i (mm)	Shrinkage	Stretch	Eccentricity	Angle of declination (°)	Recommended bolt diameterNote 1 × Length L
JK-25	25	90	32	125	90	14	4	4-19	2.1	90±2.5	±2.5	1.0 to 2.0	8	4	5	15	M16×55L
JK-32	32	90	32	135	100	16	4	4-19	3	90±2.5	±2.5	1.0 to 2.0	8	4	5	15	M16×55L
JK-40	40	97	40	140	105	16	4	4-19	3.1	97±2.5	±2.5	1.0 to 2.0	8	4	5	15	M16×55L
JK-50	50	112	50	155	120	16	10	4-19	3.9	112±2.5	±2.5	7.0 to 8.0	10	5	5	15	M16×65L
JK-65	65	120	65	175	140	18	12	4-19	5.4	120±2.5	±2.5	8.0 to 9.5	12	6	10	15	M16×70L
JK-80	80	142	78	185	150	18	12	8-19	5.5	142±2.5	±2.5	8.0 to 9.5	14	6	10	15	M16×70L
JK-100	100	159	100	210	175	18	12	8-19	6.9	159±2.5	±2.5	8.0 to 9.5	18	10	10	15	M16×70L
JK-125	125	189	123	250	210	20	16	8-23	11	189±3.0	±3.0	11.5 to 13.5	20	10	15	15	M20×80L
JK-150	150	209	146	280	240	22	16	8-23	14.4	209 ± 3.0	±3.0	11.5 to 13.5	20	12	15	15	M20×85L
JK-200	200	209	196	330	290	22	16	12-23	17.7	209 ± 3.0	±3.0	11.5 to 13.5	25	14	20	15	M20×85L
JK-250	250	234	244	400	355	24	21	12-25	28.9	234 ± 3.0	±3.0	16.0 to 18.0	25	14	20	15	M22 × 95L
JK-300	300	259	288	445	400	24	23	12-25	33.8	259 ± 3.0	±3.0	18.0 to 20.0	25	14	20	15	M22 x 100L
JK-350	350	266	330	490	445	26	23	12-25	39.4	266±3.0	±3.0	18.0 to 20.0	25	10	15	15	M22×105L

*For SUS flange products, please contact your local branch or sales office.
*Note 1: Recommended bolts are not included. Please prepare by yourself.

Usage range

・This product cannot be used for hot water supply or around pool water circulation pumps. Please use Flexible joint.
・Refer to the catalog for installation and use.

Product information