美标,欧标的闸阀有什么区别

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美标,欧标的闸阀有什么区别,第1张

~各个标准都不一样!

1.结构长度不一样

2.法兰面的密度也不一样

3.对于适用的工况也不一样

4.使用的材料材质也不一样下面为材质区别

Comparison of material German marking

Europian marking

USA

number Name in brief standard number 0.6025 GG25 DIN 1691 EN-JL10400.7040 GGG40 DIN 1693 EN-JS10300.7043 GGG40.3 DIN 1693 EN-JS10621.0425 HII DIN 17155 1.0425 1.0460 C22.8 DIN 17155 1.0460 1.0460

C22.8

DIN 17155

1.0460 C22.8 DIN 17243 1.0501 C35 DIN 17240 1.0501 1.0570 St 52-3 DIN 17100

1.0619 GS–C25N DIN 17245 1.0619+N 1.1138 GS-21Mn 5 V SEW 685 1.6220 1.1151

Ck22

DIN 17200

1.1151

1.1151 Ck22 DIN 17200 1.0570 1.1181 Ck35 DIN 17240 1.1181 1.4021 X20Cr13 DIN 17440 1.4021 1.4057 X20CrNi 17 2 DIN 17440 1.4057 1.4104 X14CrMoS17 DIN 17440 1.4104 1.4122 X35CrMo 17 DIN 17442 1.4122 1.4301 X5CrNi18 10 DIN 17440 1.4301 1.4301 X5CrNi18 10 DIN 17440 1.4301 1.4305 X8CrNiS18-9 DIN 17440 1.4305 1.4308

G-X6CrNi 18 9

DIN 17445 1.4308

1.4462 X2CrNiMoN225 VdTÜV WB 4181.4462 1.4541 X6CrNiTi18 10 DIN 17440 1.4541 1.4541 X6CrNiTi18 10 DIN 17440 1.4541 1.4550

X6CrNiNb18-10

DIN 17440

1.4550

1.4550 X6CrNiNb18-10 DIN 17440 1.4550 X6CrNiNb18-10 1.4552 G-X5CrNiNb 18 9 DIN 17445 1.4552 1.4571 X6CrNiMoTi 17 12 2 DIN 17440 1.4571 1.4571

X6CrNiMoTi 17 12 2

DIN 17440 1.4571

1.4877 1.4580 X6CrNiMoNb17-12-2 DIN 17440 1.4580 1.4581 G-X5CrNiMoNb18 10 DIN 17445 1.4581 1.4903

X10CrMoVNb 9 1

VdTÜV

WB511/3 1.4910 1.4913 X19CrMoVNbN 111 DIN 17240 ---------- 1.4922 X20CrMoV 12 1 DIN 17243 1.4922 1.4923 X22CrMoV 12 1

DIN 17240

1.4986

X8CrNiMoBNb 16 16 DIN 17240

----------

Name in brief EN-GJL-250 EN-GJS-400-15 EN-GJS-400-18U P265GH C22G2 FH235

P245GH oder

P280GH C35

GP240GH+N G20Mn5 C22E

S355J2G3 C35E X20Cr13 X17CrNi16-2 X14CrMoS17 X39CrMo17-1 X5CrNi18-10 X4CrNi18-10 X8CrNiS18-9 GX5CrNi19-10

X2CrNiMoN25-7-4 X2CrNiMoN22-5-3 X6CrNiTi18-10 X6CrNiTi18-10 X6CrNiNb18-10

GX5CrNiNb19-11 X6CrNiMoTi17-12-2 X6CrNiMoTi17-12-2

X7NiCrCeNb32-27 X6CrNiMoNb17-12-2 GX5CrNiMoNb

19-11-2

X3CrNiMoN17-13 ---------- X20CrMoV11-1 ----------

standard ASTM/ASME prEN 1561 A 48 Class 35 EN 1563 A 536

Grade 60-40-18 EN 1563 prEN 10273 prEN 10273 prEN 10273 A 105 prEN 10222-T2 A 105 prEN 1515-T1

EN 10213-T2 A 216 WCB EN 10213-T3 EN 10083

prEN 10250-T2

EN 10088-T3 Type 420 EN 10088-T3 Type 431 EN 10088-T3 EN 10088-T3

EN 10088-T3 A 193 Gr. B8 prEN 10222-T5 A 182 F304 EN 10088-T3 Type 303 EN 10213-T4

A 351 CF8

prEN 10222-T5 EN 10250 A 182 F51 prEN 10222-T5 A 182 F321 EN 10088-T3 A 193 Gr. B8TprEN 10222-T5

A 182 F347

EN 10088-T3 EN 10213-T4 A 351 CF8C prEN 10222-T5 A 182 F316Ti EN 10088-T3

316Ti EN 10088-T3 Type 316 Cb EN 10213-T4

A 182 F91 prEN 1515-T1

prEN 10222-T2 A 182 F9

prEN 1515-T1

实用阀门设计手册》上有典型的阀门结构、配合精度、表面粗糙度和设计标准

以明杆楔式单闸板铸钢闸阀为例:

阀杆与填料Ro=1.6um,A11/js10;密封面Ro=0.8um H10/f9;阀杆与阀杆螺母Ro=6.3um B11/f9

技术要求写

1、设计制造按API600实行

2、法兰尺寸按照ASME16.5

3、阀门的检查和试验按照API598

4、结构长度按ASMEB16.10