兩個字母簡稱：CV（Cv）- Flow Coefficient:流量係數PS（PSI）- Pounds per Square Inch:壓力組織，磅/平方英寸DP（ΔP） - Differential Pressure:壓差FV - Flow Valve:流量閥PC - Pressure Control:壓力控制SV - Safety Valve:安全閥AV - Angle Valve:角閥BV - Ball Valve:球閥CV - Check Valve:止回閥DV - Diaphragm Valve:隔膜閥EV - Electric Valve:電動閥FV - Flow Valve:流量閥GV - Gate Valve:閘閥HV - Hydraulic Valve:液壓閥IV - Isolation Valve:隔離閥MV - Manual Valve:手動閥NV - Needle Valve:針型閥OV - Overflow Valve:溢流閥PV - Pressure Valve:壓力閥RV - Relief Valve:安全閥/泄壓閥TV - Temperature Valve:溫控閥UV - Utility Valve:公用閥VV - Vacuum Valve:真空閥WV - Water Valve:水閥AF - Air Filter:空氣篩檢程式FC - Flow Control:流量控制FF - Face-to-Face:法蘭面間距IC - Inlet Contro l:進口控制OC - Outlet Control:出口控制PI - Pressure Indicator:壓力指示器TI - Temperature Indicator:溫度指示器VC - Volume Control:容積控制WV - Water Valve:水閥XL - Extra-Large:超大尺寸三個字母簡稱：VAV - Variable Air Volume:可變風量FCD - Flow Control Device:流量控制裝置PCV - Pressure Control Valve:壓力控制閥ACV - Automatic Control Valve:自動控制閥DCV - Directional Control Valve:方向控制閥NRV - Non-Return Valve:止回閥PIV - Pressure Isolation Valve:壓力隔離閥SOV - Shut-Off Valve:截止閥TCV - Temperature Control Valve:溫度控制閥PRV - Pressure Reducing Valve:減壓閥SCV - Solenoid Control Valve:電磁控制閥BAV - Breather Air Valve:呼吸閥FCV - Fl ow Control Valve:流量控制閥DVC - Digital Valve Controller:數位閥門控制器GCV - Gas Control Valve:氣體控制閥LCV - Level Control Valve:液位控制閥MSV - Manual Shutoff Valve:手動截止閥ORV - Overpressure Relief Valve:超壓泄壓閥SPV - Surge Protection Valve:衝擊保護閥TRV - Thermostatic Radiator Valve:溫控散熱器閥VFV - Vacuum Flow Valve:真空流量閥AFD - Air Flow Device:空氣流量裝置BHV - Block and Bleed Valve:阻斷和排放閥CKV - Check Valve:止回閥CVV - Control Vent Valve:控制通風閥DBV - Double Block Valve:雙阻斷閥EEV - Electronic Expansion Valve:電子膨脹閥FSV - Fire Safe Valve:防火閥HPV - High Pressure Valve:高壓閥ISV - Instrumentation Shutoff Valve:儀 錶截止閥LDV - Low Differential Valve:低差壓閥MGV - Main Gas Valve:主氣閥NCV - Normally Closed Valve:常閉閥OCV - Oil Control Valve:油控制閥PBV - Pressure Balance Valve:壓力平衡閥QCV - Quick Closing Valve:快速關閉閥RPV - Relief Pressure Valve:泄壓閥SPV - Safety Pressure Valve:安全壓力閥TPV - Temperature Pressure Valve:溫度壓力閥UBV - Utility Ball Valve:通用球閥VDV - Vacuum Demand Valve:真空需求閥WSV - Water Shutoff Valve:水截止閥XHV - Extra High Pressure Valve:超高壓閥ZCV - Zero Cavity Valve:零腔體閥BSV - Blowdown Stop Valve:吹洗截止閥CCV - Constant Current Valve:恒流閥DDV - Double Diaphragm Valve:雙隔膜閥EIV - Emergency Isolation Valve:緊急隔離 閥FGV - Fuel Gas Valve:燃氣閥HCV - Hydraulic Check Valve:液壓止回閥這些縮寫涵蓋了各種與流體控制相關的閥門和設備，用於工業、建築、筦道、能源等多個領域。