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1、精选优质文档-倾情为你奉上AC 交流电Alternating Current EXP VLV 膨胀阀Expansion Valve PSIA 磅/平方英寸(绝对值)Pounds Per Square Inch Absolute ALL IRON 全铁结构All-Iron Construction F 华氏温度Degree Fahrenheit PSIG 磅/平方英寸(表值)Pounds Per Square Inch Gage AMER STD 美国标准American Standard FF 平面Flat Face RECIRC 再循环Recirculate(d) AMS 自动化工程师协会的
2、航空材料规范Aeronautical MaterialSpecifications of the Societyof Automotive Engineers FtoF 面对面Face to Face RF 凸面Raised Face APPROX 近似值Approximate FLG 法兰端口Flanged End RPM 每分钟转数Revolutions per Minute ASME 美国机械工程师协会American Society of MechanicalEngineers FM 表示产品已经美国工厂相互保险研究所认证Indicates product has been appro
3、vedby Factory Mutual Laboratories RS 明杆Rising Stem ASTM 美国实验材料协会American Society of Testing Materials F/S 安全因素Factor of Safety S.A.E. 美国自动化工程师协会Society of Automotive Engineers ATM 大气，空气Atmosphere FSPS 内螺纹标准管道口径Female Standard Pipe Size SB 螺纹旋进阀盖Screw-in Bonnet BB 螺栓阀盖Bolted Bonnet FT LB 英尺磅(功的单位)Foo
4、t Pound SE 螺纹端口Screwed (Threaded) End BLR 锅炉Boiler GPH 加仑/小时Gallons Per Hour SJ 焊接连接Solder Joint B/M 材料清单Bill of Material GPM 加仑/分钟Gallons Per Minute SPEC 规格说明Specification BTU 英国热量单位British Thermal Unit(s) IBBM 铸铁阀体，青铜安装Iron Body, Bronze Mounted STD 标准Standard C 摄氏度Degree Centigrade IN LB 英寸-磅Inch-
5、pound SWP 蒸汽工作压力Steam Working Pressure CxC 铜对铜Copper to Copper IPS 铁管口径Iron Pipe Size TEMP 温度Temperature CDA 美国铜开发协会Copper Development Association MSS 美国阀门及其部件行业的制造商标准化协会Manufacturers Standardization Societyof the Valve and Fitting Industry TRIM 某些阀门部件的专用术语，如阀瓣，阀座环，阀杆，和重填填料阀座衬套Term designating certa
6、in valve partssuch as discs, seat rings, stems, andrepacking seat bushings COND 冷凝器Condenser NEC 美国国家电器法典National Electrical Code UB 整体阀盖Union Bonnet COP 铜Copper NPT 美国标准锥管螺纹American Standard Taper Pipe Thread UL 表示经过美国保险商实验室有限公司认证的产品Indicates product has been approvedby Underwriters Laboratories, I
7、nc. CSA 加拿大标准协会Canadian Standards Association NRS 暗杆Non-Rising Stem VAC 真空Vacuum CV 止回阀Check Valve OD 外径Outside Diameter VOL 提及，容量Volume CWP 冷水工作压力Cold Working Pressure OS&Y 外螺纹和轭架Outside Screw and Yoke WOG 水，油，气工作压力Water, Oil, Gas Working Pressure CYL 圆柱体气缸Cylinder PNEU 气动Pneumatic WWP 水工作压力Water W
8、orking Pressure DC 直流电Direct Current PRESS 压力Pressure DD 双阀瓣Double Disc PRV 减压阀Pressure Reducing Valve PSI 磅/平方英寸Pounds Per Square Inch 管道符号Piping Symbols 法兰Flanged螺纹Threaded锥形和喇叭口Bell &Spigot熔焊Welded焊接Soldered 1. 角阀Angle Valve 1.1 止回阀1.1 Check 1.4 截止阀 (正视图)1.4 Globe (elevation) 1.5 截止阀 (平面图)1.5 Glo
9、be (plan) 1.6 软管角阀1.6 Hose Angle 与符号9.1相同Same as Symbol 9.1 2. 自动阀Automatic Valve 2.1 旁路2.1 By-Pass 2.2 控制器操作2.2 Governor-Operated 2.3 减压2.3 Reducing 3. 止回阀Check Valve 3.1 角形止回阀3.1 Angle Check 与符号1.1相同Same as symbol 1.1 3.2 (直线管路)3.2 (straight way) 4. 旋塞阀Cock 5. 隔膜阀Diaphragm Valve 6. 浮球阀Float Valve
10、7. 闸阀Gate Valve 7*.1 7.4 电机操作7.4 Motor-Operated * 如果有进一步的说明，也可用作通用的停止阀。*Also used for general STOP VALVE symbol when amplified by specification. 8. 截止阀Globe Valve 8.2 角形截止阀8.2 Angle Globe 符号与1.4和1.5相同Same as Symbols 1.4 & 1.5 8.4 软管截止阀8.3 Hose Globe 符号与9.3相同Same as Symbol 9.3 8.4 电机操作8.4 Motor-Opera
11、ted 9. 软管阀门Hose Valve 9.1 角阀9.1 Angle 9.2 闸阀9.2 Gate 9.3 截止阀9.3 Globe 10. 双重阀Lockshield Valve 11. 快开阀Quick-Opening Valve 12. 安全阀Safety Valve 13. 停止阀Stop Valve 符号与7.1相同Same as Symbol 7.1 14. T形Tee 14.7 侧向出口(出口朝下)14.7 Side Outlet(outlet down) 14.8 侧向出口(出口朝上)14.8 Side Outlet(outlet up) 15. 一体式Union专心-专注-专业