Silicone hydraulic seal ring into the groove, be careful not to distort the seal ring Silicone hydraulic seal installation, consider the groove and the O-ring coated with silicone seal on the medium hydraulic seal in the case of not using as much as possible Do not open the O-ring original packaging, so as not to attach the O-ring dust or mixed with foreign matter may cause damage to the O-ring; (silicone hydraulic seal should be avoided direct sunlight or placed in the boiler and other high-temperature heat source in order to avoid aging O- Silicone rubber hydraulic ring, the ring should be tied to avoid hanging in the needle or wire to avoid O-ring deformation and lip-side damage; need to be specified is: O-ring in the custody of the occasional discoloration of the situation, The surface of white powder, this situation will not have a negative impact on the function of O-ring.