You are using an outdated browser. Please
upgrade your browser
to improve your experience.
Error message
Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in Drupal\persistent_login\CookieHelper->getCookieName() (line 55 of modules/contrib/persistent_login/src/CookieHelper.php).
Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in Drupal\persistent_login\CookieHelper->getCookieName() (line 55 of modules/contrib/persistent_login/src/CookieHelper.php).
Elastomeric seals for waterworks purposes Material requirements for pipe joints seals used in water and wastewater applications with the exception of natural rubber and polyisoprene compounds
Description
Specifies requirements for all elastomeric materils used in vulcanized seals with the exception of natural rubber and polyisoprene rubber for cold potable water supply (up to 50C), hot potable and non-potable water supply (up to 110C), drainage, sewerage and rainwater systems (continuous flow up to 45C and intermittent flow up to 95C).
