Flexible joint JC Union Type

Flexible joint

Standard specifications
Features
Specifications/standards
Usage range
Related product

For water supply

Union type anti-vibration joint with low reaction force and excellent durability: A new rubber material with excellent chlorine resistance, this is a vibration isolation joint for water supply that realizes hygienic piping.

Standard specifications

Flexible type	1 mountain flexible
Usage	For water supply
Flange	SCS13 (Stainless cast steel)
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	△

Features

・JWWA Japan Water Works Association certified registration product.
・Newly developed rubber (JW01) is used for the inner rubber.

・Compared to the flange type, it saves space.
・Stainless steel is used for the joint material.
・Durability of 200,000 cycles due to solid ring.

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	Union screw	SCS13 (Stainless cast steel)
⑤	Union nut	SCS13 (Stainless cast steel)
⑥	Union brim	SCS13 (Stainless cast steel)
⑦	Certification seal	－

*Note 1: Compliance with Ministry of Health and Welfare Ordinance No. 14 leaching performance
Compliant with "Ministerial Ordinance Concerning the Structure and Materials of Water Supply Equipment" (Ministry of Health and Welfare Ordinance No. 14)

Specification table

Product number	Nominal diameter		Standard dimensions (mm)						Mass (kg)	Mounting Dimensional Tolerance (mm)		Dimensional tolerance during operation (mm)
Product number	A.	B.	L.	d	T.	Width across flats C1 (Union nut)	Width across flats C2 (Union nut)	Width across flats C3 (Union nut)	Mass (kg)	Between mounting surfaces	Eccentricity e	Shrinkage	Stretch	Eccentricity	Angle of declination (°)
JC-20UJW	20	Rc 3/4	90	20	37	73 (decagonal)	58 (hexagonal)	37 (Octagonal)	1	90±2.5	±2.5	8	4	5	10
JC-25UJW	25	Rc1	90	30	37	85 (Decagonal)	70 (hexagonal)	50 (decagonal)	1.5	90±2.5	±2.5	8	4	5	15
JC-32UJW	32	Rc 11/4	90	30	43	85 (Decagonal)	70 (hexagonal)	50 (decagonal)	1.5	90±2.5	±2.5	8	4	5	15
JC-40UJW	40	Rc 11/2	97	39	42.5	95 (decagonal)	79 (hexagonal)	56 (decagonal)	1.9	97±2.5	±2.5	8	4	5	15
JC-50UJW	50	Rc2	112	49	48	100 (decagonal)	84 (hexagonal)	69 (decagonal)	2.5	112±2.5	±2.5	10	5	5	15

Usage range

Handling precautions

・This product cannot be used for hot water supply.
・Insulation is recommended when connecting to dissimilar metals.
・Refer to the catalog for installation and use.

Product information