两个字母简称：
CV (Cv) - Flow Coefficient: 流量系数
PS (PSI) - Pounds per Square Inch: 压力单位，磅/平方英寸
DP (ΔP) - Differential Pressure: 压差
FV - Flow Valve: 流量阀
PC - Pressure Control: 压力控制
SV - Safety Valve: 安全阀
AV - Angle Valve: 角阀
BV - Ball Valve: 球阀
CV - Check Valve: 止回阀
DV - Diaphragm Valve: 隔膜阀
EV - Electric Valve: 电动阀
FV - Flow Valve: 流量阀
GV - Gate Valve: 闸阀
HV - Hydraulic Valve: 液压阀
IV - Isolation Valve: 隔离阀
MV - Manual Valve: 手动阀
NV - Needle Valve: 针型阀
OV - Overflow Valve: 溢流阀
PV - Pressure Valve: 压力阀
RV - Relief Valve: 安全阀/泄压阀
TV - Temperature Valve: 温控阀
UV - Utility Valve: 公用阀
VV - Vacuum Valve: 真空阀
WV - Water Valve: 水阀
AF - Air Filter: 空气过滤器
FC - Flow Control: 流量控制
FF - Face-to-Face: 法兰面间距
IC - Inlet Control: 进口控制
OC - Outlet Control: 出口控制
PI - Pressure Indicator: 压力指示器
TI - Temperature Indicator: 温度指示器
VC - Volume Control: 容积控制
WV - Water Valve: 水阀
XL - Extra-Large: 超大尺寸
三个字母简称：
VAV - Variable Air Volume: 可变风量
FCD - Flow Control Device: 流量控制装置
PCV - Pressure Control Valve: 压力控制阀
ACV - Automatic Control Valve: 自动控制阀
DCV - Directional Control Valve: 方向控制阀
NRV - Non-Return Valve: 止回阀
PIV - Pressure Isolation Valve: 压力隔离阀
SOV - Shut-Off Valve: 截止阀
TCV - Temperature Control Valve: 温度控制阀
PRV - Pressure Reducing Valve: 减压阀
SCV - Solenoid Control Valve: 电磁控制阀
BAV - Breather Air Valve: 呼吸阀
FCV - Flow Control Valve: 流量控制阀
DVC - Digital Valve Controller: 数字阀门控制器
GCV - Gas Control Valve: 气体控制阀
LCV - Level Control Valve: 液位控制阀
MSV - Manual Shutoff Valve: 手动截止阀
ORV - Overpressure Relief Valve: 超压泄压阀
SPV - Surge Protection Valve: 冲击保护阀
TRV - Thermostatic Radiator Valve: 温控散热器阀
VFV - Vacuum Flow Valve: 真空流量阀
AFD - Air Flow Device: 空气流量装置
BHV - Block and Bleed Valve: 阻断和排放阀
CKV - Check Valve: 止回阀
CVV - Control Vent Valve: 控制通风阀
DBV - Double Block Valve: 双阻断阀
EEV - Electronic Expansion Valve: 电子膨胀阀
FSV - Fire Safe Valve: 防火阀
HPV - High Pressure Valve: 高压阀
ISV - Instrumentation Shutoff Valve: 仪表截止阀
LDV - Low Differential Valve: 低差压阀
MGV - Main Gas Valve: 主气阀
NCV - Normally Closed Valve: 常闭阀
OCV - Oil Control Valve: 油控制阀
PBV - Pressure Balance Valve: 压力平衡阀
QCV - Quick Closing Valve: 快速关闭阀
RPV - Relief Pressure Valve: 泄压阀
SPV - Safety Pressure Valve: 安全压力阀
TPV - Temperature Pressure Valve: 温度压力阀
UBV - Utility Ball Valve: 通用球阀
VDV - Vacuum Demand Valve: 真空需求阀
WSV - Water Shutoff Valve: 水截止阀
XHV - Extra High Pressure Valve: 超高压阀
ZCV - Zero Cavity Valve: 零腔体阀
BSV - Blowdown Stop Valve: 吹洗截止阀
CCV - Constant Current Valve: 恒流阀
DDV - Double Diaphragm Valve: 双隔膜阀
EIV - Emergency Isolation Valve: 紧急隔离阀
FGV - Fuel Gas Valve: 燃气阀
HCV - Hydraulic Check Valve: 液压止回阀
这些缩写涵盖了各种与流体控制相关的阀门和设备，用于工业、建筑、管道、能源等多个领域。