Piston Seal NBR Type AGP is a special seal for pneumatic pistons.Nitrile O Ring AGP application range:Working pressure: ≤1.6MPaWorking temperature: -30℃~+80℃Reciprocating speed: ≤1m/sMedia: Mineral oil, gas, water.Material: NBR with 80 Shore hardness. High performance NBR material.Installation: These O Rings Seals shall have axial clearance to fit into the integral piston. To avoid damage to the sealing lip, avoid sharp edges during installation.