53--SEAL, RING SEAL GATE - Seal for 55W and 57E Rings Seal Gate wear parts

SEAL, RING SEAL GATE - Seal for 55W and 57E Rings Seal Gate wear parts GCPO DWG 222-D-22585, SECTION A-A. NATURAL RUBBER - DUROMETER HARDNESS 65 +/- 5, .030 FLUOROCARBON CLAD, MINIMUM TENSILE STRENGHT 3000 PSI, MINIMUM ENLONGATION AT BREAK 450%, 300% MODULUS 900 PSI, MINIMUM ACCELERATED AGING TENSILE STRENGHT 80%, MAXIMUM COMPRESSION SET 30% OF ORIGINAL DEFLECTION, WATER ABSORPTION MAX OF 5%, NON-BRITTLE 3' @ -40C, MINIMUM ADHESION STRENGHT LB/IN 30 PER ASTM D413. FLUROCARBON CLADDING MATERIAL MUST MEET FOLLOWING SPECS: MINIMUM ULTIMATE TENSILE STRENGHT 2000 PSI, MINIMUM ELONGATION AT BREAK 250%, MINIMUM ADHESION STRENGHT 30 LB/IN, 1/8" - 1/4" EXPANSION JOINTS AT THE SPLICES SO AS NOT TO BE DAMAGED IN USE UNDER LOAD. (MUST MATCH DWG 222-D-22585, SECTION A-A)