Advanced preset pull rod for pressurerod was assembled on the mould to improve the deformation of the housing and reduce the housing soldering the static container.
其一是在模具上安装顶杆提前回位拉杆，铸件变形的情况得到了改善，铸件抱死在静模的现象也减少。
2
Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.
将手柄恢复到正常位置，则“压杆”上的压力就得到缓解，使得调节阀能够保持正常的系统压力。
3
Even the wall rod structure can sustain tension and pressure must be used.