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
TSO=TIGHT SHUT OFF 紧急切断
UC=uxility connection
V=vent
SPF=flexible hose 饶性软管
CH=？？湘管
ASTM=American society of Testing Materials 美国材料实验协会MSS=Manufactures standardization of the valve and fittings industry. API=American petroleum institute.
ABS= Acrylonitrile-butadiene-styrene 丙烯腈/丁二烯/苯乙烯共聚物PVC=Polyvinyl Chloride 聚氯乙烯
CPVC=Chlorinated polyvinyl chloride 氯化聚氯乙烯
PE= Polyethylene 聚乙烯
PP= Polypropylene 聚丙烯
UPVC: unplasticized polyvinyl chloride 未塑化(硬质)聚氯乙烯
PP: PolyPropylene 聚丙烯
PPRolyPropylene Random copolymer聚丙烯随机共聚物PPBolyPropylene Block copolymer 聚丙烯单元共聚物PPHolyproPylene Homopolymer 聚丙烯均聚物
HDPE:High Density PolyEthylene 高密度聚乙烯
PTEE= Polytetrafluoroethylene 聚四氟乙烯
HDPE=High Density Polyethlene 高密聚乙烯
LDPE=Low Density Polyethlene 低密聚乙烯
LLDPE=Linear Low Density Polyethlene 线性低密度聚乙烯
FRP=Fiberglass Reinforced Plastics 阻燃粘胶纤维（玻璃钢）
FRPP=Improved Fiberglass Reinforced Plastics 增强性阻燃粘胶纤维（玻璃钢）塑料工程师学会(SPE, Society of Plastics Engineers)
美国检测与材料学会(American Society For Testing and Materials, ASTM)
美国材料信息学会（ASM International, 原美国金属学会）
美国机械工程师学会(ASME)
沥青学会(Asphalt Institute)
铝协会(Aluminum Association)
美国国际腐蚀工程师协会(NACE International)
American Concrete Institute (美国混凝土学会ACI)
American Welding Society (美国焊接学会AWS)
National Fire Protection Association (美国国家消防协会NFPA)。