表和主安全阀入口管之间的距离，不得小于5倍主安全阀入口管径，以免主安全阀动作时，因排汽影响电接点压力表和脉冲安全阀工作的正确性。
A48Y-16C,A44Y-16C,A44Y-16P,A44Y-16R,全封闭带扳手全启式安全阀
A48Y-25,无锡昌林，A44Y-25,A44Y-25P,A44Y-25R,
A48Y-40,A44Y-40,无锡昌林，A44Y-40P,A44Y-40R,
A48Y-64,A44Y-64,A44Y-64P,A44Y-64R,无锡昌林，
A48Y-100,A44Y-100,无锡昌林，A44Y-100P,A44Y-100R,
U46SM-16C,U46SM-25C,平衡式柱塞阀
UZ41SM,柱塞型闸阀
X13W-1.0,X13T-1.0,X13W-1.0T,X13W-1.0(P/R),内螺纹二通旋塞阀
X14W-1.0