PO，Purchase order,采购订单
TBE，To be executed,待执行or Technic bidding evaluation 技术标评价ANSI=American national standard insititute 美国标准化组织
AMSE=American society of Mechanical Engineers 美国机械工业工程协会
BWD=ButtWeld 对焊
SWF=Female socketwelding 内承插
TVB=Pipe or tube 管子
VENT=open to vent 放空口
SCF=Screwed Female 内螺纹
SCM=Screwed Male 外螺纹
SWM=Male Socketwelding 外承插焊
DP=Damper 风门
EJ=Expation Joint 膨胀节
FH=Flanged Hose 法兰连接软管
HC=Hose Coupling 软管活接头
RO=Restrict Orifice 限流孔板
RP=Rupture Plate 爆破板
RV=relief Valve 减压阀
SG=Sight Glass 视镜
SS=Safety shower & Eye Washer 安全淋浴洗眼器
ST=Steam Trap 疏水阀
STR=Strainer 过滤器
SV=Safety Valve 安全阀
TS=Temporary Strainer 临时过滤器
SL=Silencer 消音器
SP=Special Items 特殊管件
SY=Stack Yard 渣场
ESD=Emergency Shutdown System 紧急停车系统
DW=feeD Water 生活水
WFR=Fresh Water 新鲜水
FW=Fire protection Water 消防水
OD=Oiled Drain 含油废水
SD=Sewerage Drain 污水
CWSU=Cooling Water Supply 冷却循环给水
CWRT=Cooling Water Return 冷却循环回水
PA=Phoshoric Acid 磷酸
SO=seal oil 密封油
UR=urea 尿素
AA=Atmospheric Air
FL=Flare gas 火炬气体
FLG=Flue Gas 烟道气
FG=Fuel GAS 燃料气
OFR=For Review 供审查
OFA=For Approval 供批准
ACF=Advancede Certified Final Drawing 最终确定版图纸
AI IA = instrument atmosphere 仪表空气
CW=Circulation Water 循环水
DE=Detail Engineering
GRC=Gas Reveral Chamber
HP=high pressure
MP=Medium pressure
RF=Raised Face
FF=flat FACe
RMW=reactor membran wall
SGC=syngas cooler
TP=terminal point
WN=weld neck(flange)
THK=thickness
NOZ=nozzle
PPIA=Plastics Piping Subcommittee filiated with China Plastics Industry Association 塑料管道专委会
CWS=contaminated water sewer 污水下水道
SS=storm/rain water sewer 屋面雨水/雨水下水道
MAG=magnetic 电磁
CAP=capacitance 电容
SON=sonic 声音
DOP=Doppler 多普勒
AS=area sewer 区域排水管
BD=Basied design activity 基础设计包活动
CS=carbon steel 碳钢
D=drain 导淋
DE=detailed engineering design activity 详细设计GC=limit switch closed 限位开关关闭
GCO=limit switch open and closed 限位开关开与关GO=limit switch open 限位开关开
HH=hand hole 手孔
LC=locked closed 锁定关闭
LO=locked open 锁定开启
M=mator 马达
MD=min distance
MH=manhole
MP=medium pressure & Manufacture proposal
NC=normally closed 常闭
SC=sampling connection
NNF=normally no flow
NO=normally open
SCO=air and spring closed 空气和弹簧关闭
SP=SET pressure
SS=stainless steel
ST=steam trap 阻气排水阀组
