配管法兰

公称压力

斯派莎克对夹式止回阀常规产品型号

JB/T 74
~90、
GB/T 9112
~9124、
HG 20592
~20614

PN1.0MPa

H71H-10C

H71W-10P

H71W-10P8

H71W-10P3

H71W-10R

H71W-10R8

H71W-10R3

PN1.6MPa

H71W-16C

H71W-16P

H71W-16P8

H71W-16P3

H71W-16R

H71W-16R8

H71W-16R3

PN2.5MPa

H71W-25

H71W-25P

H71W-25P8

H71W-25P3

H71W-25R

H71W-25R8

H71W-25R3

PN4.0MPa

H71W-40

H71W-40P

H71W-40P8

H71W-40P3

H71W-40R

H71W-40R8

H71W-40R3

PN6.3MPa

H71W-63

H71W-63P

H71W-63P8

H71W-63P3

H71W-63R

H71W-63R8

H71W-63R3

PN10.0MPa

H71W-100

H71W-100P

H71W-100P8

H71W-100P3

H71W-100R

H71W-100R8

H71W-100R3

PN16.0MPa

H71W-160

H71W-160P

H71W-160P8

H71W-160P3

H71W-160R

H71W-160R8

H71W-160R3

GB/T 9112
~9124、
HG 20615
~20635、
SH 3406

PN2.0MPa

H71H-20C

—

H71W-20P8

H71W-20P3

—

H71W-20R8

H71W-20R3

PN5.0MPa

H71H-

50

—

H71W-50P8

H71W-50P3

—

H71W-50R8

H71W-50R3

PN11.0MPa

H71H-110

—

H71W-110P8

H71W-110P3

—

H71W-110R8

H71W-110R3

PN15.0MPa

H71H-150

—

H71W-150P8

H71W-150P3

—

H71W-150R8

H71W-150R3

ANSI B 16.5

Class150

H71H-A1C

—

H71W-A1P8

H71W-A1P3

—

H71W-A1R8

H71W-A1R3

Class300

H71H-A3

—

H71W-A3P8

H71W-A3P3

—

H71W-A3R8

H71W-A3R3

Class600

H71H-A6

—

H71W-A6P8

H71W-A6P3

—

H71W-A6R8

H71W-A6R3

Class900

H71H-A9

—

H71W-A9P8

H71W-A9P3

—

H71W-A9R8

H71W-A9R3

斯派莎克对夹式止回阀主　要
零　件
材　料

阀体

WCB(A105)

ZG1Cr18Ni9Ti

CF8(304)

CF3(304L)

ZG1Cr18Ni12Mo2Ti

CF8M(316)

CF3M(316L)

阀瓣

2Cr13

1Cr18Ni9Ti

0Cr18Ni9

00Cr19Ni10

1Cr18Ni12Mo2Ti

0Cr17Ni12Mo2

00Cr17Ni14Mo2

压圈

2Cr13

1Cr18Ni9Ti

0Cr18Ni9

00Cr19Ni10

1Cr18Ni12Mo2Ti

0Cr17Ni12Mo2

00Cr17Ni14Mo2

弹簧

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

00Cr19Ni10

0Cr17Ni12Mo2

0Cr17Ni12Mo2

00Cr17Ni14Mo2

斯派莎对夹式克止回阀适　用
工　况

适用介质

水、蒸汽、油品等

硝酸等腐蚀性介质

强氧化性介质

醋酸等腐蚀性介质

尿素等腐蚀性介质

适用温度(℃)

-29~425

-196~540

-196~425

-196~540

-196~455

　　注：本表为常规的型号编制、主要零件材料及适用工况，其他要求及其型号编制参见对夹止回阀型号编制方法。http://www.spiraxsarcoso.com