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NSF-61 O-Rings and Seals

Drinking Water O-Rings
 
 

Ge Mao Rubber Industrial Co., Ltd.
Tel: +886-4-7810288 Fax: +886-4-7810289
https://www.fdao-ring.com 
ask@gmors.com 
No. 15, Kung Yeh East 4th Rd., Lukang, Chang Hua 505, Taiwan, R.O.C.

NSF-61 Seals and Gaskets NSF 61 O-Rings

NSF 61 sets the standards in the regulation of components, devices and equipment that comes into contact with potable water, components such as o-rings, rubber seals and gaskets. In order to ensure that contaminants and toxic substances are not leached into drinking water supply systems giving rise to adverse health effects, NSF 61 requirements excludes the use of certain types of durability enhancement compounding additive and fillers. It is important that the level of ingredients used should not exceed the minimum necessary to achieve the physical property specifications. The challenge is in the development of a material that has the desirable resistance to chloramine and does not deform during the process of installation and assembly.

Gmors manufacturers potable water o-rings, seals and gaskets that comply with or exceed the requirements of NSF 61. We understand our customers¡¦ needs and work closely with them to develop solutions.

Potable water seals developed by Gmors include EPDM and NBR peroxide cured elastomeric compounds, with Shore A hardness ranging from 60 to 90, and certified temperature range of up to 85¢XC. We also offer both peroxide and sulfur cured NSF 61 approved compounds for the North American market..

Approval Certification Authority Certified Temperature Range Compound
Reference
Elastomeric Compound Shore Hardness Colour
BS6920 WRAS Maximum 85¢XC E6053AA EPDM Peroxide Cured Shore A (60¡Ó5) black
BS6920 WRAS Maximum 85¢XC E7053AA EPDM Peroxide Cured Shore A (70¡Ó5) black
BS6920 WRAS Maximum 85¢XC E9053AA EPDM Peroxide Cured Shore A (90¡Ó5) black
BS6920 WRAS Maximum 85¢XC E7083AA EPDM Peroxide Cured Shore A (70¡Ó5) black
BS6920 WRAS Maximum 85¢XC E8083AA EPDM Peroxide Cured Shore A (80¡Ó5) black
BS6920 WRAS Maximum 85¢XC N8018AA NBR Peroxide Cured Shore A (80¡Ó5) black
BS6920 WRAS Maximum 85¢XC N7018AA NBR Peroxide Cured Shore A (70¡Ó5) black
ACS CARSO ¡@ E7083AA EPDM Peroxide Cured Shore A (70¡Ó5) black
KTW DVGW ¡@ E7083AA EPDM Peroxide Cured Shore A (70¡Ó5) black
W-270 DVGW ¡@ E7083AA EPDM Peroxide Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC E7083AA EPDM Peroxide Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC N7018AA NBR Peroxide Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 60¢XC N7041AA NBR Sulfur Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC E7041AA EPDM Peroxide Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC E7051AA EPDM Sulfur Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC E7042AA EPDM Peroxide Cured Shore A (70¡Ó5) black
NSF-61 NSF Maximum 82¢XC S7031AB VMQ Shore A (70¡Ó5) rust

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