描述
通常执行机构与控制阀阀体直接连接，但液动执行机构、长行程执行机构等执行机构与控制阀阀体分开时，安装执行机构时应注意，执行机构的连杆和机械活动部件应灵活，无松动或卡扭等现象。连杆长度应在全行程范围内动作稳定、灵活可靠。当与工艺管道有热位移的控制阀阀体连接时，应保证执行机构与控制阀阀体之间相对位置保持不变。
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(NEW !!) 3Com Total Control Hiper DSP E1 Dialup Module
3Com 3824 SuperStack 3 (3C17400) 24-Port Switch
3Com SuperStack 3 3CR17572-91 Switch 4500 PWR 50-Port
2 ATA 3Com NBX Analog Adapter 3C10120 with 3C10121
3COM ROUTER 5009 CHASSIS OEM 3C13700
3Com® Router 6000 Power Supply 3C13801
NEW 3COM ROUTER 3034 3C13634
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3COM Superstack GBIC Module for 4900 OEM # 3C17714
3COM LINK SWITCH 1000 & SUPERSTACK II BASELINE HUB NICE
3Com Switch 7700 ELF Starter Kit – switch 3C16870
3Com Router 4-Port T1 IMA MIM 3C13779
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3Com (3C17300AUS) 24-Ports External Switch Managed …
3COM NETBUILDER REMOTE OFFICE ESPL-300 PART 08-0243-001
3Com 5680 Series Modular Enterprise Router 3C13758 NR
