TOZEN Corporation

| Site map |

Language

株式会社TOZEN(トーゼン)

 

Technical data

TOZEN’s products groups suited to waterworks and water supply systems

Find out about TOZEN’s products groups suited to waterworks and water supply systems

New rubber material conforming with water piping equipment leaching performance standards

Waterworks refers to facilities managed by water utilities, including reservoirs, intake structures, conveyance facilities, purification plants, supply facilities to distributing reservoirs, and distribution facilities. Among these, the reference indicators of the purification plants, supply facilities to distributing reservoirs, and distribution facilities must comply with technical standards for waterworks.

TOZEN product: LS Connector (40A or more)
Water piping equipment based on JWWA Z 108

(Uses rubber meeting water piping equipment leaching performance standards)
TOZEN product LS Connector (40A or more)
Water piping equipment based on JWWA Z 108

waterworks

Leaching performance standards table
[rubber conforming with water piping equipment standards]

Based on JWWA Z 108 water piping equipment performance standards testing methods
(corresponding product: LS Connector)

Show synthetic rubber flexible tubing leaching performance

Requirements
Zinc No more than 0.1 mg/ℓ.
Phenols Phenols of no more than 0.0005 mg/ℓ.
Flavor No abnormalities
Coloring No more than 0.5°
Turbidity No more than 0.2°
Organic substances
(total organic carbon: TOC)
No more than 0.5 mg/ℓ.
Reduction in residual chlorine No more than 0.7 mg/ℓ.

※Reference values are from JWWA K 156:2004 waterworks rubber materials Table 2

New SK10 rubber materials, a Japan Water Works Association registered product
(water supply equipment)

Water supply systems refers to water supply piping connected to distribution piping, and the supply fittings directly connected to the water supply piping, including faucets, shut-off valves, and water heaters.
The reference indicators lay out compulsory standards for compliance relating to the structure and materials of water supply systems.

TOUGHBOY・BF-CONNECTOR・PURE JOINT

TOZEN products
TOUGHBOY・BF-CONNECTOR・PURE JOINT
Water supply equipment (joints) based on JIS S 3200-7
Products registered with the Japan Water Works Association

Waterworks

Leaching performance standards table SK10

Based on JIS S 3200-7 water supply equipment (joints) standards testing methods (corresponding products: Tough Boy, BF Connector, Pure Joint) (Products registered with the Japan Water Works Association))

Show synthetic rubber leaching performance

Requirements
Zinc No more than 1.0 mg/ℓ
Phenols Phenols of no more than 0.005 mg/ℓ.
Flavor No abnormalities
Smell No abnormalities
Coloring No more than 5°.
Turbidity No more than 2°.
Organic substances (total organic carbon: TOC) No more than 3 mg/ℓ.

*Reference values are from JIS S 3200-7:2004 leaching performance criteria Explanatory Table 3