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Underfloor Systems - Plug-In Type  Engwald Plug-In Type U-60-PS, PSH, PSX, PSXH Units Dimensions of units are on the following page All diagrams are not to scale Construction Part 1 - Cast aluminum frame with beveled edges Part 2 - Cast aluminum reinforced self closing lid Part 3 - 3/16 stainless steel hinge pin Part 4 - Cadmium plated spring Part 5 - Extension sleeve: 20 gage galvanized material dipped in bituminous paint 90° couplings made out of 3" = neoprene 4" = cast aluminum 5" & 6" = 18 gage material All straight couplings made out of 18 gage material.    |
