主要零件材料Materials of main parts
材料名稱Material Name
碳鋼Carbon steel
不銹鋼Stainless steel
閥體Body
A216 WCB
A351 CF8
A351 CF8M
閥蓋Bonnet
球體Ball
A276 304/A276 316
閥桿Stem
2Cr13/ A276 304/A276 316
閥座Seat
PTFE , RPTFE
填料Gland Packing
PTFE/柔性石墨 PTFE/Flexible Graphite
壓蓋Gland
螺柱Bolt
A193-B7
A193-B8M
螺母Nut
A193-2H
A194-8
CONFIGURATION DIMENSION
SIZE
ITEM
1/2″
3/4″
1″
11/4″
11/2″
2″
21/2″
3″
4″
5″
6″
8″
d
15
20
25
32
38
49
65
80
100
125
150
200
d4
36
42
50.5
63
73
91
103
123
151
186
216
271
K
60.3
70
79
89
99
120
139
152
190
215
241
298
D
98
108
114
177
228
254
279
343
T
2
C
12
14
17
16
24
26
N-Z
4-16
4-19
8-19
8-22
L
117
127
140
162
178
203
229
355
393
420
H
74
88
113
121
134
141
153
E
145
160
170
230
260
300