Composite manhole cover Based on en124 standard Material: smc Load capacity: b125, used in parking lot and footway Temperature range: -50¡ãc-150¡ãc Color: black, white, gray, blue, yellow, etc. Certificates: iso9001, iso14001, ohsas18001, ce¡ê¬sgs Cover diameter: 550mm Frame diameter: 580mm Clear opening: 410mm Weight: 22kg