Ductile Iron Manhole Cover Set Ventilated H150 Manual Locking, F900

Features & Advantages
Double Hinged
Double Hinged System
Single Bolt and Serrated Shaft Are Used In Hinged System
Double Hinged System Ensures Cover opening At 180˚
Hinged System Prevents Unauthorized Use

Rubber Gasket
The Groove of the Cover is cleaned by Using Lathe Machine for Rubber Gasket System
One of the Rubber Gasket System is Using T Shape Gasket
Rubber Gasket System Prevents Noise Pollution

Manuel Locking
Three Bolts Locking System Available
Three Single bolts are Used In Manual Locking System
Locking System Prevents Unauthorized Use