|
對夾式止回閥 |
|
產品型號：H71(2)H/Y |
|
產品引用標準：
設計與制造：API 594、API 6D
結構長度：ANSI 594、API 6D、DIN3202
法蘭標準：DIN 2543-2548、API605、ASME B 16.47
壓力檢驗：API 598 |
|
主要性能規范：
|
配管法蘭 |
公稱壓力 |
常規產品型號 |
|
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 |
|
主 要
零 件
材 料 |
閥體 |
WCB(A105) |
ZG1Cr18Ni9Ti |
CF8(304) |
CF3(304L) |
ZG1Cr18Ni12Mo2Ti |
CF8M(316) |
CF3M(316L) |
|
閥瓣 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
|
壓圈 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
|
彈簧 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |
00Cr19Ni10 |
0Cr17Ni12Mo2 |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
|
適 用
工 況 |
適用介質 |
水、蒸汽、油品等 |
硝酸等腐蝕性介質 |
強氧化性介質 |
醋酸等腐蝕性介質 |
尿素等腐蝕性介質 |
|
適用溫度(℃) |
-29~425 |
-196~540 |
-196~425 |
-196~540 |
-196~455 |
|
注：本表為常規對夾式止回閥的型號編制、主要零件材料及適用工況，其他要求及其型號編制參見對夾止回閥型號編制方法. |
|
|
產品用途：
對夾式止回閥用于純凈管路及工業、環保、水處理、高層建筑給排水管路，阻止介質逆向流動之用。適用介質為：水、油品、蒸汽、污水、酸類等。 |
|
主要零件的材料說明：
|
閥體 |
ASTM A216 WCB |
ASTM A351 CF8 |
|
閥瓣 |
WCB |
CF8 |
CF8M |
Monel |
|
軸及彈簧 |
F6a |
F304 |
F316 |
Monel |
F304 |
|
|
閥瓣表面 |
13Cr |
13Cr |
STL |
304 |
316 |
Monel |
304 |
STL |
|
閥座表面 |
13Cr |
STL |
STL |
304 |
316 |
Monel |
304 |
STL |
|
|
|
閥體 |
ASTM A351 CF3 |
ASTM A351 CF8M |
ASTM A351 CF3M |
|
閥瓣 |
|
軸及彈簧 |
F304L |
F316 |
F316L |
|
閥瓣表面 |
304L |
STL |
316 |
STL |
316L |
STL |
|
閥座表面 |
304L |
STL |
316 |
STL |
316L |
STL |
|
|
|
|
|
|
|
|
|
|
|
|
