valve oil seal Rotating valve steam seal, Used for Machineries and Steering System. valve oil sealRotating rubber oil seal, Used for Machineries and Steering System.we ... , such as EPDM, FPM, NBR and so on.--rubber oil seal: 1) NBR, NR, FPM, MVQ, EPDM, Silicone ... 2) High/low temperature-resistant, wearing resistant, oil-resistant--rubber oil seal features: 1) Materials: NBR, NR, FPM, MVQ, ...