【對夾升降式止回閥產品概述】
H71H(W)對夾升降式止回閥由閥體、閥瓣、彈簧等組成，水平安裝于管路系統，防止介質倒流，具有結構短、體積小、質量輕；閥瓣關閉快速，水錘壓力小；流道通暢，流體阻力小；動作靈敏，密封性能好.
【對夾升降式止回閥結構特點】
1、結構長度短，其結構長度只有傳統法蘭止回閥的1/4~1/8
2、體積小、重量輕、其重量只有傳統法蘭止回閥的1/4~1/20
3、閥瓣關閉快速，水錘壓力小
4、水平管道使用，安裝方便
5、流道通暢、流體阻力小
6、動作靈敏、密封性能好
7、閥瓣行程短、關閥沖擊力小
8、整體結構、簡單緊湊、造型美觀
9、使用壽命長、可靠性高
【對夾升降式止回閥的型號、材料及主要參數】
|
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 |
|
|
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。 |
【對夾升降式止回閥解剖圖】
【對夾升降式止回閥產品連接尺寸】
|
|
|
尺寸(mm) |
重量
(kg) |
配管法蘭(供參考) |
|
L |
D |
D3 |
D2 |
D4 |
|
螺栓數量 |
螺栓直徑d |
螺栓長度L1
|
|
|
15 |
25 |
52 |
15 |
44 |
25 |
0.12 |
65 |
4 |
M12 |
75 |
|
20 |
31.5 |
62 |
19 |
52 |
30 |
0.24 |
75 |
4 |
M12 |
90 |
|
25 |
35.5 |
72 |
24 |
60 |
36 |
0.34 |
85 |
4 |
M12 |
90 |
|
32 |
38 |
83 |
31 |
72 |
43 |
0.53 |
100 |
4 |
M16 |
100 |
|
40 |
40 |
93 |
39 |
74 |
52 |
0.80 |
110 |
4 |
M16 |
105 |
|
50 |
44 |
107 |
48 |
98 |
62 |
1.2 |
125 |
4 |
M16 |
125 |
|
65 |
62 |
124 |
63 |
117 |
75 |
2.2 |
145 |
4 |
M16 |
130 |
|
80 |
65 |
138 |
78 |
128 |
90 |
3.1 |
160 |
8 |
M16 |
135 |
|
100 |
68 |
164 |
98 |
/ |
112 |
5.7 |
180 |
8 |
M16 |
150 |
|
125 |
86 |
188 |
123 |
/ |
132 |
10 |
210 |
8 |
M16 |
180 |
|
150 |
100 |
219 |
148 |
/ |
158 |
14 |
240 |
8 |
M20 |
210 |
| |
200 |
110 |
270 |
198 |
/ |
208 |
24 |
295 |
8 |
M20 |
240 |
| |
250 |
160 |
332 |
248 |
/ |
208 |
35 |
350 |
8 |
M20 |
260 |
|
|
15 |
25 |
52 |
15 |
44 |
25 |
0.12 |
65 |
4 |
M12 |
80 |
|
20 |
31.5 |
62 |
19 |
52 |
30 |
0.24 |
75 |
4 |
M12 |
90 |
|
25 |
35.5 |
72 |
24 |
60 |
36 |
0.34 |
85 |
4 |
M12 |
90 |
|
32 |
40 |
83 |
31 |
72 |
43 |
0.53 |
100 |
4 |
M16 |
110 |
|
40 |
45 |
93 |
39 |
74 |
52 |
0.80 |
110 |
4 |
M16 |
115 |
|
50 |
56 |
109 |
48 |
98 |
62 |
1.2 |
125 |
4 |
M16 |
125 |
|
65 |
63 |
129 |
63 |
117 |
75 |
2.2 |
145 |
8 |
M16 |
135 |
|
80 |
71 |
144 |
78 |
128 |
90 |
3.1 |
160 |
8 |
M16 |
145 |
|
100 |
80 |
168 |
98 |
/ |
112 |
7.0 |
190 |
8 |
M20 |
160 |
|
125 |
110 |
196 |
123 |
/ |
132 |
12 |
220 |
8 |
M24 |
205 |
|
150 |
125 |
224 |
148 |
/ |
158 |
15 |
250 |
8 |
M24 |
225 |
|
200 |
160 |
284 |
198 |
/ |
208 |
26 |
310 |
12 |
M24 |
260 |
|
|
15 |
/ |
52 |
15 |
44 |
25 |
0.12 |
65 |
4 |
M12 |
80 |
|
20 |
/ |
62 |
19 |
52 |
30 |
0.24 |
75 |
4 |
M12 |
90 |
|
25 |
/ |
72 |
24 |
60 |
36 |
0.34 |
85 |
4 |
M12 |
90 |
|
32 |
/ |
83 |
31 |
72 |
43 |
0.53 |
100 |
4 |
M16 |
110 |
|
40 |
/ |
93 |
39 |
74 |
52 |
0.80 |
110 |
4 |
M16 |
115 |
|
50 |
/ |
109 |
48 |
98 |
62 |
1.2 |
125 |
4 |
M16 |
125 |
|
65 |
/ |
129 |
62 |
117 |
75 |
2.2 |
145 |
8 |
M16 |
135 |
|
80 |
/ |
144 |
76 |
128 |
90 |
3.1 |
160 |
8 |
M16 |
145 |
|
100 |
/ |
168 |
95 |
/ |
112 |
9 |
190 |
8 |
M20 |
160 |
|
125 |
/ |
196 |
110 |
/ |
132 |
14 |
220 |
8 |
M24 |
205 |
|
150 |
/ |
224 |
127 |
/ |
158 |
18 |
250 |
8 |
M24 |
225 |
|
200 |
/ |
291 |
165 |
/ |
208 |
28 |
320 |
12 |
M27 |
275 |
|
|
|
尺寸(mm) |
重量
(kg) |
配管法蘭(供參考) |
|
L |
D |
D3 |
D2 |
D4 |
|
螺栓數量 |
螺栓直徑d |
螺栓長度L1
|
|
|
15 |
25 |
62 |
15 |
|
25 |
0.5 |
75 |
4 |
M12 |
100 |
|
20 |
31.5 |
73 |
19 |
|
30 |
0.7 |
90 |
4 |
M16 |
115 |
|
25 |
35.5 |
83 |
24 |
|
36 |
1.0 |
100 |
4 |
M16 |
130 |
|
32 |
40 |
89 |
31 |
|
43 |
1.3 |
110 |
4 |
M20 |
140 |
|
40 |
45 |
104 |
39 |
|
52 |
2.0 |
125 |
4 |
M20 |
150 |
|
50 |
56 |
114 |
48 |
|
62 |
3.2 |
135 |
4 |
M20 |
160 |
|
65 |
63 |
138 |
63 |
|
75 |
4.5 |
160 |
8 |
M20 |
170 |
|
80 |
71 |
148 |
78 |
|
90 |
5 |
170 |
8 |
M20 |
180 |
|
100 |
80 |
174 |
98 |
|
112 |
7 |
200 |
8 |
M24 |
200 |
|
125 |
110 |
211 |
123 |
|
132 |
13 |
240 |
8 |
M27 |
245 |
|
150 |
125 |
248 |
148 |
|
158 |
22 |
280 |
8 |
M30 |
270 |
|
200 |
160 |
310 |
198 |
|
208 |
40 |
345 |
12 |
M33 |
325 |
|
|
15 |
25 |
62 |
15 |
|
25 |
0.6 |
75 |
4 |
M12 |
100 |
|
20 |
31.5 |
73 |
19 |
|
30 |
1.0 |
90 |
4 |
M16 |
115 |
|
25 |
35.5 |
83 |
24 |
|
36 |
1.3 |
100 |
4 |
M16 |
130 |
|
32 |
40 |
89 |
31 |
|
43 |
1.6 |
110 |
4 |
M20 |
140 |
|
40 |
45 |
104 |
39 |
|
52 |
2.5 |
125 |
4 |
M20 |
150 |
|
50 |
56 |
120 |
48 |
|
62 |
3.8 |
145 |
4 |
M24 |
175 |
|
65 |
63 |
144 |
63 |
|
75 |
6 |
170 |
8 |
M24 |
185 |
|
80 |
71 |
154 |
78 |
|
90 |
7 |
180 |
8 |
M24 |
195 |
|
100 |
80 |
181 |
98 |
|
112 |
10 |
210 |
8 |
M27 |
220 |
|
125 |
110 |
218 |
123 |
|
132 |
18 |
250 |
8 |
M30 |
265 |
|
150 |
125 |
258 |
148 |
|
158 |
30 |
290 |
12 |
M30 |
285 |
|
200 |
160 |
324 |
198 |
|
208 |
56 |
360 |
12 |
M33 |
345 |
訂貨須知：
一、①對夾升降式止回閥產品名稱與型號②對夾升降式止回閥口徑③對夾升降式止回閥是否帶附件以便我們的為您正確選型。
二、若已經由設計單位選定正鋼閥門對夾升降式止回閥型號，請按對夾升降式止回閥型號直接向我司銷售部訂購。
三、當使用的場合非常重要或環境比較復雜時,請您盡量提供設計圖紙和詳細參數，由我們的正鋼閥門專家為您審核把關。
感謝您向我們發出訂單我們會在最短時間與您聯系!
