NOREPOL® EA – Series H1 10

Non-return anti-pollution Check valve - Type EA

Designed to protect drinking water networks from backflow of fluids due to a pressure drop in the network, or a back pressure from a potentially non potable water network.

Applications :

Drinking water distribution network

Product benefits :

Can be controlled with upstream and downstream pressure taps.
Reliability verified over 25,000 open/close cycles with pressure variation from 0 to 16 bar.
Pressure loss below standard requirements.
Horizontal or vertical installation only.
Maintenance on site without removing the device, thanks to an inspection opening.

Range :

DN 40 to 250
PFA 16

Technical data :

Anti-pollution protection type EA in compliance with NF EN 1717.
Bronze valve and seat sub-assembly, stainless steel spring.
Anti-corrosion protection by epoxy coating applied by cataphoresis and powder coating.
ISO PN 10 drilled flange (EN 1092-2 and ISO 7005-2).
Tightness to NF EN 12266-1 rate A.
Operating temperatures: +10°C to +60°C (max. return temperature +90°C).

Norms and certifications :

Complies with standard NF EN 13959.
Complies with NF EN 1717.
Face-to-face dimensions comply with NF EN 558 series 1.
NF ANTIPOLLUTION marking.
ACS (Attestation de Conformité Sanitaire).
Manufacturing 100% tested to NF EN 12266-1 standard.