重油、膠類等易凝固介質(zhì) Heavy oil,glue and other easy-clotting medium
主要零件材質(zhì)表
序號
零件名稱 Accessory name
材 質(zhì) Material
GB
ASTM
1
夾套 Jacket
25
A105
2
閥座 Seat
WCB
A216-WCB
3
閥體 Body
25
A105
4
密封圈 SealingRing
PTFE、對位聚苯 PTFE、Counterpoint polypheny1
5
球體 Ball
6
閥桿 Stem
1Cr13
A247-410
7
填料 Stuffing
柔性石墨 Graphite
8
填料壓蓋 Gland
WCB
A216-WCB
主要外型及連接尺寸表
公稱通徑 (DN)
b
L
D
E
Q
H
W
管螺紋 Pipe thread
(mm)
(in)
(mm)
(in)
P
20
3/4"
19
117
40
11/2"
58.5
147
101
170
G3/4"
25
1"
25
127
50
2"
62.5
156
106
170
G3/4"
40
11/2"
38
165
65
21/2"
63.5
181
125
250
G3/4"
50
2"
51
178
80
3"
68
218
135
250
G3/4"
80
3"
76
229
150
6"
82
275
193
350
G3/4"
100
4"
102
254
200
8"
83
300
265
420
G3/4"
150
6"
152
292
250
10"
95
403
355
1000
G3/4"
200
8"
203
330
300
12"
100
492
410
1300
G3/4"
備 注Remarks
法蘭尺寸請按對應(yīng)的通徑參閱樣本《主要外型及連接尺寸表》 Flange dimension refer to the sample book of form of Main Types andConnecting Dimension, according to the corresponding diameter