
The EJ D400 Double Tri Access Cover & Frame (600 x 600 x 100mm) is a heavy-duty ductile iron solution designed for use in highways, carriageways, and trafficked areas. With a D400 load rating (tested to withstand loads of up to 40 tonnes), it provides long-lasting strength and durability. The Double Triangular seating (anti-rock design) improves stability, reduces wear, and ensures a secure fit under repeated heavy traffic.
What makes a Double Tri (anti-rock) design better?
The Double Tri seating improves load distribution and reduces movement (“rocking”) under traffic, ensuring a more secure and durable installation.
The EJ D400 Double Tri Access Cover & Frame (600 x 600 x 100mm) is a heavy-duty ductile iron solution designed for use in highways, carriageways, and trafficked areas. With a D400 load rating (tested to withstand loads of up to 40 tonnes), it provides long-lasting strength and durability. The Double Triangular seating (anti-rock design) improves stability, reduces wear, and ensures a secure fit under repeated heavy traffic.
What makes a Double Tri (anti-rock) design better?
The Double Tri seating improves load distribution and reduces movement (“rocking”) under traffic, ensuring a more secure and durable installation.