Features and Benefit: ■ Self-Centering Locking System  Cover can be automatically locked with the frame by a self-Centering resiliency device. ■ Removable Hanging System Cover removable in vertical position. ■ Cushioning Inset Interference fited into groove in frame to avoid vibration and noisy in case of vehicular traffic. ■ Inner cover with Pipe Size Indicator With a yellow arrow to indicate Pipe Size under the box while inner cover supply protection from frost of valves and/or meters.   Cussion Insert Inner Cover | Characters according to BS 5834-2 | | Designation | Clear Opening | Depth of Frame | Guard | Bedding Area | Grade | Type | | 150BN | 150mm | 200mm | HIVP Pipe DN150 or Pipe with Inner Dia. Φ150, Outside Dia. not exceed Φ175 | 44,500 mm2 | B | Wheel load upto 5 Tons Vehicles occasional access | N | Non-Rock Double Triangular suspension | Parts and Material Frame and Covers: Ductile Cast Iron to BS EN 1563 Grade GJS450-10 Chain for Connection with Cover & Inner Cover Stainless Steel to BS 970 Grade 304S31 Cussion Insert PE to BS EN 1563 Grade GJS450-10 Arrow Indicator PA6 to BS EN 1563 Grade GJS450-10
● Option Coating A. Cover by Powder Coating of Polyester Resin Frame and Cover: Cold applied black alkyd paint with UV resistance feature. or bitumen solution to BS 3416: Type 1 B. RFID system to identify pipeline and user's Color Marking: Cold applied Polyester Resin with information by a smart phone. UV resistance feature.
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