A? ?Anchor??固定
ABS??*Absolute??絕對的
AISI??*American Iron and
Steel Institute??美國鋼鐵學會
ANSI??*American National? ?
Standards Institute??美國國家標準學會
API??*American Petroleum Institute??美國石油學會
APPROX??*Approximate??大約，近似的
ASB??Asbestos??石棉??
ASME??*American Society Of? ?Testing Material??美國機械工程師協會
ASSY??*Assembly??裝配，組裝
ASTM??*American Society Of? ?
Testing Material??美國材料實驗協會
ATM??*Atmosphere??大氣壓
AWG??*American Wire Gage??美國線規
AWS? ?*American Wel**** Society??美國焊接協會
AWWA? ?*American Water Works
Association? ?美國水工協會???
B??
BB??Bolted Bonnet? ? 栓柱連接的閥蓋
BB??By Buyer? ? 買方供貨
B-B??Beveled End-Beveled End? ? 兩端為坡口端
BC? ? Bolt Circle? ? 螺栓中心圓??
B.C? ?Bolted Cover(cap)? ? 螺栓連接的閥蘭蓋（帽）??
BE??Beveled End (for wel****)? ?坡口（焊接用）
B.E? ???Bell End? ? 承口
BEP??Both Ends Plain? ?兩端平
BET? ? Both Ends Threaded? ?兩端帶螺紋
BL??Battery Limit? ? 裝置區邊界
BF??Blind Flange? ?法蘭蓋
BLD? ?Blind? ???盲板
BLDG??*Buil****? ?建筑物
BM? ?Bill Of Material? ? 材料表
BOP??Bottom Of Pipe? ? 管底
B-P??Beveled End —Plain End? ? 坡口端.平端
BV? ?Butterfly valve? ? 蝶閥
BWG * Birmingham Wire Gage? ? 伯明翰線規
BW??Butt Weld? ? 對焊
C
C??Cap??管帽
C-C??Center to Center??中至中
C-E??Center to End? ?中至端面
C-F??Center to Face??中至面
CH-OP??Chain Operated? ?鏈條操縱的
CH.PL??Checkered Plate??花紋鋼管
C.I??*Cast Iron??鑄鐵
CL??*Class??英制壓力等級，等級，種類
CLEAR??Clearance??間隙
COD??Continued on Drawing? ?接續圖
COL??*Column? ?柱，塔
CONC??Concentric? ?同心的
CONN? ?Connection? ?連接，接口
CONT? ?*Continue? ?連續
CONT.V.? ?Control Valve? ?控制閥
CPLG? ?Coupling? ?管接頭，連軸節
C.R.??Concentric Reducer? ?同心異徑管
C.S.??*Carbon Steel??碳鋼
C.S.??Cold Spring??冷緊
C.S.C.??Car Seal Close??在關閉狀態下封住
C.S.O.? ?Car Seal Open??在開啟狀態下封住
CUST? ?Customer??客
C.V? ?Check Valve??止回閥
D
DEG??*Degree? ?度
DF??Drain funnel? ?排液漏斗
DIA??*Diameter? ?直徑
DIM??*Dimension? ?尺寸
DISCH??*Discharge? ?出口，排出
Diaphragm VELVE? ?? ?隔膜閥
DMF? ?Double Male And Female??雙重凹凸
DN??*Double Male And Female??公稱直徑
DN??Down??下
DR??Drain??排液
DS??Directional Stop??定向限為架
DWG??*Drawing??圖
E
E? ?*East??東
EC? ?External Coating??外面涂防腐層
ECC? ?Eccentric??偏心
EFW? ?Electric Fusion Welded??電容焊的
EL(ELEV)? ?*Elevation??標高；立面
ELL? ?Elbow??彎頭
EQIOP? ?Equipment??設備，裝置
EQUIV??Equivalent??相當的
E.R.??Eccentric Reducer??偏心異經管
ERW??Electric Resistance Welded??電阻焊的
EW??Eye Washer & Shower??洗眼器及淋浴器
EXP.JT??Expansion Joint??膨脹節
F
FDN? ?Foundation??基礎
FF??Flat Faced Or Full Faced??全平面；滿平面
F-F??Face To Face??面至面
FGW? ?Fusion Gas Wel****??氣熔焊
FIG??*Figure??圖
FL??Floor??樓面
FLEX??TUBE Flexible Tube??撓性管
FLG??Flange??法蘭
FLGD??Flanged??法蘭式的
FLGF??Flanged Face??法蘭面
FOB??Flat On Bottom??底面平
FOT??Flat On Top??頂面平
FP??Fix Point??固定點
FS??Forged Steel??鍛鋼
FTF??Fitting To Fitting??管件直連
FTG??Fitting??管件
FURND??Furnished??提供的，裝設的
FW??Field Weld??現傷焊
G
G??Guide??導向
GA??*Gage??表，表壓，規（線規）
GALV??*Galvanize??鍍鋅
GL??Ground Level??地面
GLV??Globe Valve??截止閥
GEAR OP??Gear Operated??齒輪傳動的
GMAW??Gas Metal Arc Wel****??金屬極惰氣體保護焊
GSKT??Gasket??墊片
GTAW??(Inert)Gas Tungsten Arc Wel****??惰性氣體保護鎢極電弧焊
GV??Gate Valve??閘閥
H
H??Hanger??吊架
HC??Hose Connection??軟管接頭
H.CPLG??Half Coupling??半節管接頭
HDR??Header??總管
HEX??*Hexagon??六角形
HF??Hard Alloy Face on閥內件（閥心）為
Valve Trim? ?? ???硬質合金密封面
HH??Hand Pole??手孔
HOR??Horizontal??水平的
H.P??*High Pressure??高壓
HS??Hose Station??軟管
I
ID??*Inside Diameter??內徑
IN??*Inch??英寸
INS??Insulation??隔熱
INST??Instrument??儀表
INV??Invert (inside bottom of pipe)??管子內底
IPS??Iron Pipe size??鐵管尺寸
ISO??Isometric Drawing??周測圖（空視圖）
I.S.B.L??Inside Battery Limit??裝置邊界內惻
ISNS??Inside screw & Non-rising Stem??內螺紋非升桿
ISRS??Inside screw & Rising stem??內螺紋升? ?? ? 桿
J
JT??Joint??接頭
JS??Jack Screw??頂開（起）螺栓
L
LC??Locked Closed??在關閉狀態下鎖定
LEP??Large end plain??大端為平的
LET??Large end Threaded??大端帶螺紋
LG??Long??長
LGF??Lens Gasket Face??透鏡墊連接面
L.H.THD??Left Hand Thread??左螺紋
LIFT??Lift Type??升降式
LJ??Lap Joint??搭接
LJF??Lap Joint Flange??松套法蘭
LO??Locked Open??在開啟狀態下鎖定
L.P.? ?Low Pressure??低壓
LR??Long Radius??長半徑
LRE??Long Radius Elbow??長半徑彎頭
LTG??Large Tongue & Groove??大椎槽
M
MATL??Material??材料
MAX??Maximum??最大
MB??Machine Bolt??機器螺栓（單頭）
MF??Male and Female??凸和凹
MFG??Manufacture??制造
MF??*Manufacture??制造廠
MH??Manhole??人孔
MI??Malleable Iron??可鍛鑄鐵
MIN??*Minimum??最小
MJ??Mechanical Joint??機械接頭
M.L??Match Line??連續線
MSS * Manufacturers Standardization Society of the Valve and Fittings Industry, Inc.
? ?? ?? ?美國閥門和管件制造商標準化協會
MTO??Material take-off??材料統計
MW??Minimum Wall??最小壁厚
M.W.??Mineral Wool??礦（物）棉
N
N??*North??北
NB??Nominal Bore??公稱孔徑
N.B.??Non-Bonnet??無閥蓋
NC??Normally Closed??常閉
NIP??Nipple??短管
NO??Normally Open;??常開
? ?? ? *Number號； 數量
NO INS??No Insulation??不隔熱
NOM??Nominal??公稱的；額定的
NOZ??Nozzle??管口
NPS??Nominal Pipe Size??公稱管徑
NPSH??Net Positive Suction Head??凈正吸入壓頭
NPT??*American National Taper??美國錐管螺紋
? ?? ? Pipe Thread
NS??Nominal Size??公稱直徑
NV??Needle Valve??針形閥
O
OD??*Outside Diameter??外徑
OET??One end Threaded??一端帶螺紋
OR??Outside Radius??外半徑
ORF??Orifice??孔板
ORIENT??Orientation??方位
OS & Y??Outside Screw and Yoke 外螺紋閥桿和閥軛
OSNB??Outside Screw Non-Bonnet??外螺紋無閥蓋
P
P??Plug??堵頭
PAP??Piping Arrangement Plan??管道布置平面圖
PB??Pressure Seal Bonnet??壓力密封的閥蓋
P-B??Plain End –Bevel End??平端—坡口端
PC??Pressure Seal Cap??壓力密封的閥帽
P.C.D.??Pitch Circle Diameter??節圓直徑
PE??Plain End (not beveled)??平端（無坡口）
PF??Platform??平臺
PID??Piping & Instrument Diagram管道及儀表流程圖
PN??*Nominal Pressure??公稱壓力
PN??Plant North??工廠北向
POS??point of Support??支承點
P-P??Plain End—Plain End??兩端為平端
PREP??Preparation??加工準備
PSIA??*Pounds Per Square Inch
? ?? ???Absolute??磅/
PSIG??Pounds Per Square Inch Gage??磅/
PT??Point??點
PTFE??*Polytetrafluoroethylene??聚四氟乙烯
PT.NO??Part No.??件號
PV??Plug Valve??旋塞閥
PVC??*Poly Vinyl Chloride??聚氯乙烯
Q
QTY??*Quantity??數量
R
R? ?*Radius??半徑
RED??Reducer??異徑管
REF??Reference??參考
REINF??Reinforce??加強
REQD??Required??需要；申請
REV? ?*Revision??修改
RF? ?Raised Face??凸面
RG??Ring Gasket??環形墊片
R.H.THD??Right Hand Thread??右螺旋
RJ??Ring Joint??環墊接頭
RO??Restriction Orifice??限流孔板
RPM??*Revolutions Per Minute??轉/分
RPS??*Revolutions Per Second??轉/秒
RS? ?Resting Support??支承架，滑動架
RTJ??Ring Type Joint（見RJ）
RV? ?Relief Valve??安全泄液閥
S
S??*South??南
S??Spring??彈簧（管架用）
SAW??(Automatic)Submerged Arc Wel****??自動埋弧焊
SB??Stud Bolt??雙頭螺栓
SB??Screwed Bonnet??螺紋閥蓋
SC??Sample Cooler??取樣冷卻器
SCH??*Schedule??管壁厚系列號
SCRD??Screwed??螺紋
SEP??Small end Plain??小端為平的
SET??Small end Threaded??小端帶螺紋
SF??Semi-Finished??半光
SG??Sight Glass??視鏡
SH??Surface Hard Facing??硬質密封面
SK??Sketch??草圖
SMAW??Shielded Metal Arc Wel****??有保護的金屬電弧焊
SMLS? ?Seamless??無縫
SN??Swaged Nipple??異徑短管
SO??Slip – On??滑套
SOF??Slip – On Flange??滑套法蘭
SPEC??*Specification??規定，說明
SPL??Sound Pressure Lever??升壓水準
SQ??*Square??方的，平方
SR??Shout Radius??短半徑
SRE??Short Radius Elbow??短半徑彎頭
SS??*Stainless Steel??不銹鋼
ST??Steam Trap??蒸汽疏水閥
STD??*Standard??標準
STG??Small Tongue & Groove??小椎槽面
STL??*Steel??鋼
STM??Steam??蒸汽
STM.TR??Steam Tracing??蒸汽拌熱
SUCT??Suction??吸入口
SV??Safety Valve??安全泄氣閥
SW??Socket Weld??承插焊
SWG??Swage??鍛造，模鍛
SWMG??Swing Type??旋啟式
SYM??Symmetrical??對稱的
T
T??Tee??三通
TE??Threaded End??螺紋端
TEMP??*Temperature??溫度
TG??Tongue & Groove??椎槽
THD??*Threaded??螺紋的
THK??*Thickness??厚度
TL??Tangent Line??切線
TN??True North??真實北向
TOC??Top of Concrete??混凝土北向
TOP??Top of pipe??管頂
TOS??Top of Support??支架頂面
? ?? ?Top of Steel??鋼結構頂面
TYP??Typical??典型的
U
UB??Union Bonnet??帶活接頭的閥蓋
UC??Union Cap??帶活接頭的閥帽
UN??Union??活接頭
V
V??Valve??閥
VAC??Vacuum??真空
VAR??Variable??可變的
VERT??Vertical??垂直的
VOL??*Volume??卷，冊，容量，體積
W
W??*West??西
WB??Weld Branch??焊接支管
WC??Weld Cap??焊接管帽
WD??Width??寬度
WE??Weld End??焊接端
WL??Wel**** Line??焊接線
WN??Wel**** Neck??對焊法蘭（頸部）
WNF??Weld Neck Flange??對焊法蘭
WP??Working Pressure??工作壓力
W.P.??Working Point??工作點
WT??Wall Thickness??壁厚
? ?? ???Weight??重量
X
XH??Extra Heavy??加強的，加厚的
XXH??Double Extra Heavy??雙倍加強（厚）的
XS??Extra Strong??加強的
XXS??Double Extra Strong??雙倍加強的
Y
YP??Yield Point??屈服點

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