Corrosion-resistant valve is a valve specially used for corrosion-resistant media, mainly made of corrosion-resistant materials, such as stainless steel, titanium alloy, Hastelloy, etc. Corrosion-resistant valves have the characteristics of strong corrosion resistance, long service life and reliable performance. They are widely used in petrochemical, electric power, metallurgy, water treatment and other fields, especially for the transportation and control of corrosive media.
※ designed and manufactured in accordance with Chinese national standards Basic structure of ※: weir type, DC type ※ nominal pressure PN0.6 ~ 1.6(MPa) ※ nominal diameter DN15 ~ 300(mm)
Main connection dimensions and weight/Dimensions and weights
表(Table)B29
Nominal diameter Size
Standard value Standard
Reference value Reference
DN (mm)
NPS (inch)
L
D
D1
D2
f
b
Z-Φd
DO
H1
H2
W(Kg)
PN1.0(MPa)/PN0.6(MPa)
15
1/2
125
95
65
45
2
14
4-Φ14
100
105
110
3.5
20
3/4
135
105
75
55
2
16
4-Φ14
100
115
125
4
25
1
145
115
85
65
2
16
4-Φ14
120
120
135
5.5
32
1¼
(160)
135
100
78
2
18
4-Φ18
120
125
150
8
40
1½
180
145
110
85
3
18
4-Φ8
140
135
175
11
50
2
210
160
125
100
3
20
4-Φ18
140
155
195
14
65
2 ½
250
180
145
120
3
20
4-Φ18
200
170
200
23
80
3
300
195
160
135
3
22
4/8-Φ18
200
200
255
29
100
4
350
215
180
155
3
22
8-Φ18
280
270
325
46
125
5
400
245
210
185
3
24
8-Φ18
320
335
405
70
150
6
460
280
240
210
3
24
8-Φ23
320
370
450
95
200
8
570
335
295
265
3
26
8-Φ23
400
480
600
170
250
10
680
390
350
320
3
28
12-Φ23
500
545
620
270
300
12
790
440
400
368
4
28
12-Φ23
500
585
680
320
* Sweep otherwise stipulated in the contract, the diaphragm valve in PN0.6MPa, the flange size according to PN1.0MPa manufacturing. * flange size PN1.0MPa, DN80 bolt hole number JB78 when Z = 4, other standards when Z = 8
Main connection dimensions and weight/Dimensions and weights
表(Table)B30
Nominal diameter Size
Standard value Standard
Reference value Reference
DN(mm)
NPS(inch)
L
D
D1
D2
f
b
Z-Φd
DO
H1
h2
W(Kg)
PN1.6(MPa)
15
1/2
125
95
65
45
2
14
4-Φ14
120
110
115
4
20
3/4
135
105
75
55
2
16
4-Φ14
120
120
130
5
25
1
145
115
85
65
2
16
4-Φ14
140
125
140
6
32
1¼
(160)
135
100
78
2
18
4-Φ18
140
130
155
9
40
1½
180
145
110
85
3
18
4-Φ18
160
140
180
12
50
2
210
160
125
100
3
20
4-Φ18
160
160
200
15
65
2 ½
250
180
145
120
3
20
4-Φ18
200
175
205
24
80
3
300
195
160
135
3
22
4-Φ18
200
205
260
30
100
4
350
215
180
155
3
24
8-Φ18
280
275
330
48
125
5
400
245
210
185
3
26
8-Φ18
320
340
410
75
150
6
460
280
240
210
3
28
8-Φ23
320
375
460
105
200
8
570
335
295
265
3
30
8-Φ23
400
485
605
182
250
10
680
405
355
320
3
32
12-Φ25
500
550
625
295
300
12
790
460
410
375
4
34
12-Φ25
500
590
685
345
British standard diaphragm valve series/BS Diaphragm valves
※ designed and manufactured to BS British National Standard Basic structure of ※: weir type, DC type ※ nominal pressure PN0.6 ~ 1.6(MPa) ※ nominal diameter DN20 ~ 200(mm)
Base model (fully lined)/Basictype (fully lined)
Manual Lever
SEG41F3(Wrie type)
Electric Electric
SEG641F3(ordinary type)(Gemal type)
SEG41F46(Wrie type)
SEG941F46(ordinary type)(Gemal type)
SEG45F3(Direct) (Y type)
SE9B41F3(防爆式)(Explosion-proof type)
SEG45F46(Direct)(Y type)
SE9B41F46(防爆式)(Explosion-proof type)
Pneumatic Pneumatic
SEG9641F3(往复式)(Reciproationg type)
Pneumatic Pneumatic
SEG641F3(Close type)
SEG641F46(往复式)(Reciproationg type)
SEG641F46(Close type)
SEG6B41F46(往复式)(Reciproationg type)
SEG6B41F46(Close type)
Main Parts Material List/Main Parts Material Specifications
Main connection dimensions and weight/Dimensions and weights
表(Table)B31
Nominal diameter Size
Standard value Standard
Reference value Reference
DN (mm)
NPS (inch)
L
D
D1
d2
f
b
Z-Φd
DO
H
W(Kg)
PN1.0(MPa)/0.6(MPa)
20
3/4
121
105
75
58
2
16
4-Φ13.5
70
92
3.0
25
1
131
115
85
68
2
16
4-Φ13.5
83
96
4.0
32
1¼
150
140
100
78
2
18
4-Φ17.5
114
131
6.5
40
1½
163
150
110
88
3
18
4-Φ17.5
114
142
7.5
50
2
194
165
125
102
3
20
4-Φ17.5
140
167
10.5
65
2 ½
220
185
145
122
3
20
4-Φ17.5
165
203
17.5
80
3
258
200
160
133
3
22
8-Φ17.5
230
216
25.0
100
4
309
220
180
158
3
24
8-Φ17.5
280
270
36.0
125
5
362
250
210
184
3
26
8-Φ17.5
280
319
47.0
150
6
412
285
240
212
3
26
8-Φ22
363
365
73.0
200
8
529
340
295
268
3
28
8-Φ22
483
462
142
PN1.6(MPa)
20
3/4
121
105
75
58
2
16
4-Φ13.5
70
92
3.2
25
1
131
115
85
68
2
16
4-Φ13.5
83
96
4.3
32
1¼
150
140
100
78
2
18
4-Φ17.5
114
131
6.9
40
1½
163
150
110
88
3
18
4-Φ17.5
114
142
7.9
50
2
194
165
125
102
3
20
4-Φ17.5
140
167
11
* Unless otherwise specified in the contract, when the diaphragm valve is in PN0.6, its flange size shall be manufactured according to PN1.0MPa. * flange size PN1.0MPa, DN80 bolt hole number JB78 when Z = 4, other standards when Z = 8.
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