Characteristics:
1.All the components are forged ones.
2.Lower-loading Stem and backward sealing construction have been setup for positive sealing at packing--out protecting of the stem.
3.Interbedded valve seat is applied on whose bace RO-ring is also mounted for avoiding the leakage of medium.
Main Performance Specification:
|
Nominal Pressure(Mpa)
|
Test pressure(mpa)
|
|
Shell
|
High-pressure liquid sealing
|
Low-pressure hermetic sealing
|
|
16.0
|
24
|
17.6
|
0.6
|
|
32.0
|
48
|
35.2
|
|
Applicable temperature
|
-40-80℃
|
|
Applicable medium
|
Water, oil products, nitrogen, ammonia,
|
|
hydrogen, and liquefied gas, etc.
|
Main Parts and Materials:
|
Name
|
Material
|
|
GB
|
ASTM
|
|
Body,bonnet
|
WCB
|
A216-WCB
|
|
Sealing
|
Nylon
|
Nylon
|
|
Ball
|
1Cr18Ni9Ti
|
SS 304
|
|
Seat、Stem
|
2Cr12
|
A246-416
|
|
ring
|
RUBBER
|
RUBBER
|
|
Dual-head double-screw bolt
|
35CrMoA
|
A193-B7
|
Dimension Table of Installation:
|
Nominal Pressure(Mpa)
|
Nominal Diameter(mm)
|
Main dimension (mm)
|
|
L
|
L1
|
D
|
D1
|
H
|
W
|
M
|
D2
|
b
|
Z- Φ d
|
|
Flange
|
Butt-welding
|
Flange
|
Butt-welding
|
Flange
|
Butt-welding
|
Flange
|
Butt-welding
|
Flange
|
Butt-welding
|
Flange
|
|
16.0
|
10
|
210
|
150
|
52
|
60
|
95
|
90
|
60
|
18
|
77
|
58
|
220
|
M24×2
|
18
|
20
|
3-Φ18
|
|
15
|
230
|
170
|
62
|
70
|
95
|
100
|
60
|
23
|
85
|
62
|
220
|
M24×2
|
20
|
20
|
3-Φ18
|
|
20
|
240
|
190
|
73
|
80
|
105
|
110
|
68
|
29
|
94
|
75
|
250
|
M33×2
|
28
|
20
|
3-Φ18
|
|
25
|
260
|
205
|
77
|
95
|
105
|
115
|
68
|
36
|
100
|
80
|
250
|
M33×2
|
28
|
22
|
3-Φ18
|
|
32
|
300
|
230
|
100
|
110
|
115
|
150
|
80
|
43
|
120
|
96
|
300
|
M42×2
|
38
|
24
|
4-Φ18
|
|
40
|
|
260
|
110
|
120
|
165
|
170
|
115
|
49
|
150
|
111
|
400
|
M52×2
|
48
|
30
|
6-Φ26
|
|
50
|
400
|
330
|
130
|
140
|
165
|
200
|
115
|
61
|
165
|
128
|
450
|
M64×3
|
58
|
32
|
6-Φ26
|
|
65
|
490
|
360
|
140
|
150
|
200
|
225
|
145
|
80
|
180
|
180
|
500
|
M80×3
|
74
|
40
|
6-Φ29
|
|
80
|
580
|
380
|
150
|
160
|
225
|
270
|
170
|
105
|
200
|
200
|
600
|
M24×2
|
94
|
50
|
6-Φ33
|
|
100
|
620
|
430
|
178
|
188
|
260
|
320
|
190
|
118
|
245
|
245
|
800
|
M125×4
|
115
|
60
|
6-Φ36
|
|
32.0
|
10
|
210
|
150
|
52
|
60
|
95
|
90
|
60
|
18
|
77
|
58
|
220
|
M24×2
|
18
|
20
|
3-Φ18
|
|
15
|
230
|
170
|
62
|
70
|
105
|
100
|
68
|
23
|
85
|
62
|
220
|
M33×2
|
28
|
20
|
3-Φ18
|
|
20
|
240
|
190
|
73
|
80
|
105
|
110
|
68
|
29
|
94
|
75
|
250
|
M33×2
|
28
|
20
|
3-Φ18
|
|
25
|
260
|
205
|
77
|
95
|
115
|
115
|
80
|
36
|
100
|
80
|
250
|
M42×2
|
35
|
25
|
4-Φ18
|
|
32
|
300
|
230
|
100
|
110
|
135
|
150
|
95
|
43
|
120
|
96
|
300
|
M52×2
|
41
|
30
|
4-Φ22
|
|
40
|
350
|
260
|
110
|
120
|
165
|
170
|
115
|
49
|
150
|
111
|
400
|
M64×3
|
47
|
35
|
6-Φ26
|
|
50
|
400
|
330
|
130
|
140
|
200
|
200
|
145
|
61
|
165
|
128
|
450
|
M80×3
|
70
|
40
|
6-Φ29
|
|
65
|
490
|
360
|
140
|
150
|
225
|
225
|
170
|
80
|
180
|
180
|
500
|
M100×3
|
90
|
50
|
6-Φ33
|
|
80
|
580
|
380
|
150
|
160
|
260
|
270
|
195
|
105
|
200
|
200
|
600
|
M125×4
|
112
|
55
|
6-Φ36
|
|
100
|
620
|
430
|
178
|
188
|
300
|
320
|
235
|
118
|
245
|
245
|
800
|
M155×4
|
135
|
65
|
8-Φ36
|
