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NSF 61-certified compounds
for the potable water industry

Ritus meets the stringent demands of the potable water industry with tested and NSF 61-certified compounds, surpassing the competition’s offerings. These compounds have also been engineered and tested to meet high levels of chloramine resistance. Our compounds, used in the following applications, have been specifically designed to meet and exceed the requirements of NSF 61:

Water filter gaskets
Faucet and shower gaskets
Pipe coupling seals
Valve seats and diaphragms
Sprinkler seals
Pump diaphragms, seals and valves

Ritus’ investment in thorough testing allows us to offer a variety of certified compounds, including European standards WRAS (Great Britain), KTW (Germany) and ACS (France). These compounds ensure Ritus rubber products maintain long-term operability free from the swelling, cracking or the loss of elasticity and tensile strength that plague less capable mixes.

Contact our experienced engineering department today to determine which of our compounds will fulfill your requirements or to formulate a compound with specific properties for your application.

Ritus is proud to offer the following NSF 61-compliant classified compounds:*

Base Polymer	Durometer Shore A	Service Temperature	Designed to Meet ASTM
EPDM	50	HOT	M3BA514A14B13C12F17Z1, M2CA514A25B44C12F18Z1 Z1=Volume Change 70 hrs @ 100°C, Distilled Water 0 to +5%
EPDM	55	HOT	M3BA514A14B13C12F17Z1Z2, M2CA514A25B44C12F18Z1Z Z1=Volume Change 70 hrs @ 100°C, Distilled Water 0 to +5%, Z2=Duro 55 ±5
EPDM	60	HOT	M3BA614A14B13C12F17Z1, M2CA614A25B44C12F18Z1 Z1=Volume Change 70 hrs @ 100°C, Distilled Water 0 to +5%
EPDM	65	HOT	M3BA614A14B13C12F17Z1Z2, M2CA614A25B44C12F18Z1Z2 Z1=Volume Change 70 hrs @ 100°C, Distilled Water 0 to +5%, Z2=Duro 65 ±5
EPDM	70	HOT	M3BA714A14B13C12F17Z1, M2CA714A25B44C12F18Z1 Z1=Volume Change 70 hrs @ 100°C, Distilled Water 0 to +5%
IR/SBR	50	COLD	C443 / F477 High Head
IR/SBR	60	COLD	C923
IR/SBR	70	COLD	C923

*These compounds comply with ANSI/NSF 61-2003 potable water standards written by NSF International and adopted by ANSI (American NationalStandards Institute). Their compliance has been tested and confi rmed by Underwriters Laboratories.