Trunnion Valve Balls,True Union Ball Valve,Three Way Ball Valve,Ball Valve Shut Off WENZHOU ZHENHONG VALVE BALL CO., LTD , https://www.zhvalveball.com 1. The oil dynamic and static pressure bearing of the oil supply device must rely on the external oil source for oil supply to work normally. The oil supply device and system must meet the following requirements: (1) The oil supply pressure and flow rate must meet the requirements of the bearing. The flow rate of the hydrostatic bearing is smaller than that of the hydrostatic bearing, and a small flow pump is generally used; (2) it must undergo strict filtration.