管道英文及缩写

Pipe 管

EL 弯头Elbow

ELL 长半径弯头Long radius elbow

ELS 短半径弯头Short radius elbow

斜接弯头（虾米腰弯头）Mitre elbow

REL 异径弯头Reducing elbow

T 三通Tee

ZLT 斜三通Lateral tee

RT 异径三通Reducing tee

R 异径管接头（大小头）Reducer

同心异径管接头（同心大小头）Concentric reducer ER 偏心异径管接头（偏心大小头）Eccentric reducer CPL 管箍Coupling

双头管箍Full coupling

HCPL 单头管箍Half coupling

RCPL 异径管箍Reducing coupling

内外螺纹接头Bushing

活接头Union

HC 软管接头Hose coupler

SE 翻边短节Stub end

短节Pipe nipple or straight nipple

SNIP 异径短节Swaged nipple

CP 管帽（封头）Cap

PL 管堵（丝堵）Plug

BLK 盲板Blank

SB 8字盲板Spectacle blind

RP 补强板Reinforcing pad法兰

缩写中文名称英文名称

PLG 法兰Flange

WNF 对焊法兰Welding neck flange

SOF 平焊法兰Slip-on flange

DSWF 承插焊法兰Socket-welding flange

T 螺纹法兰Threaded flange

LJ 松套法兰Lapped joint flange

REDF 异径法兰Reducing flange

BF 法兰盖（日法兰）Blind flange

FSF 法兰密封面Flange scaling face

FF 全平面Flat face

RF 凸台面Raised face

MFF 凹凸面Male and female face

NLF 凹面Female face

LM 凸面Male face

RJ 环连接面Ring joint face

TG 榫槽面Tongue and groove face

TF 榫面Tongue face

GF 槽面Groove face

G 垫片Gasket

HNMG 非金属垫片Non-metallic gasket

AG 石棉垫片Asbestos gasket

RG 橡胶垫片Rubber gasket

TEG 聚四氟乙烯包复垫片PTFE envelope gasket

半金属垫片Semimetallic gasket

MJG 金属包垫片Meta-jacket gasket

SWG 缠绕式垫片Spiral wound gasket

MG 金属垫片Metallic gasket

FMG 金属平垫片Flat metallic gasket

MSG 齿形金属垫片Solid metal serrated gasket

LER 透镜式金属环垫Lens ring gasket

OCR 八角形金属环垫Octagonal ring gasket

OVR 椭圆形金属环垫Oval ring gasket

OR 内外定位环Inner ring and outer ring

IR 内定位环Inner ring

OR 外定位环Outer ring

坚固件缩写中文名称英文名称

B 螺栓Bolt

SB 螺柱Stud bolt

NU 螺母Nut

TB 花蓝螺母Turnbuckle

WSR 垫圈Washer

SWSR 弹簧垫圈Spring washer

阀门缩写中文名称英文名称

GV 闸阀Gate valve

SGLV 截止阀Globe valve

CHV 止回阀Check valve

BUV 蝶阀Butterfly valve

BAV 球阀Ball valve

PV 旋塞阀Plug valve （cock）

CV 调节阀Control valve, U,

SV 安全阀Safety valve

ORV 减压阀Pressure reducing valve

ST 蒸汽疏水阀Steam trap

LPRV 泄压阀Pressur relief valve

BV 呼吸阀Breather valve

NV 针形阀Needle valve

AV 角阀DV 隔膜阀TWV 三通阀

GV 插板阀

缩写中文名称英文名称

SPR 气液分离器Separator

FA 阻火器Flame arrester

过滤器Strainer

Y型过滤器Y-type strainer

T型过滤器T-type strainer

桶式过滤器Bucket type strainer

TSR 临时过滤器Temporary strainer

SIL 消声器Silencer

SG 视镜Slight glass

SC 取样冷却器Sample cooler

DF 排液漏斗Drain funnel

LM 管道混合器Line mixer

RO 限流孔板Restriction orifice

MO 混合孔板Mixing orifice

RD 爆破片（爆破膜）Rupture disk

EJ 补偿器Expansion joint

隔热、伴热INS 隔热Thermal insulation

H 保温Hot insulation

C 保冷Cold insulation

P 防烫伤隔热Personnel protection insulation

T&I 伴热Tracing and insulation

管道伴热（冷）Tracing

EST 蒸汽外伴热External steam tracing

IST 蒸汽内伴热Internal steam tracing

SJT 蒸汽夹套伴热Steam-jacket tracing

ET 电伴热Electric tracing

配管材料和等级缩写中文名称英文名称

M 金属材料Metallic material

CS 碳钢Carbon steel

CAS 铸钢Cast steel

FS 锻钢Forged steel

AS 合金钢Alloy steel

SS 不锈钢Stainless steel

SS 奥氏体不锈钢Austenitic stainless-steel

CI 铸铁Cast iron

MI 可锻铸铁Malleable iron

DI 球墨铸铁Ductile iron

AL 铝Aluminum

BRS 黄铜Brass

BRZ 青铜Bronze

CU 紫铜Copper

LAS 低合金钢Low alloy steel

FLAS 低合金锻钢Forged low alloy steel