STD
EN1074-4
MATERIAL
Ductile Iron GGG40/50
FINISH
Fusion-bonded epoxy
Air Release Valve
Ductile iron single or double-orifice air release valve venting trapped air from pressurised water mains, PN10–PN25, to EN1074-4 with fusion-bonded epoxy coating.
Custom & OEM manufacturing
Every cover, grating, and frame is made to order. Send us your dimensions, load class, tread pattern, surface coating, and cast markings — including your city name or utility logo — and we cast exactly to your drawing or tender specification.
Certifications
EN1074