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The GFS Piston Q Seal Dual is a double-acting dual O-ring energized PTFE piston seal assembly used in dynamic sealing applications. The Q Seal Dual was developed based on the original Q seal, and combines the low friction performance of a typical PTFE cap seal with the sealing performance of an O-ring. The sealing ring includes a small cross-section lobed o-ring on the sealing surface, which reduces leakage. This seal can be used for applications in which 2 different fluids need to be separated; such as 2 different fluids, or a fluid and a gas. This Q Seal Dual performs well within larger diameter heavy-duty sealing applications. This sealing assembly is supplied standard with energizing FKM O-rings and a lobed sealing ring, other elastomers can be supplied upon request.

Cross Section (In.): 0.197
Bore (In.): 1.875
Groove ID (In.): 1.481
Groove Width (In.): 0.248
O-Ring Size: 127
Material: Carbon Graphite Filled