用途與性能規(guī)范Application and Performance Criterion 1.球閥廣泛適用于食品、環(huán)保、冶金、石油化工等管路系統(tǒng)中。具有調(diào)節(jié)管路流量及截流等功能。1.Ball valve is widely applied in the piping systems offood, environmental protection, metallurgy, petrochemica......
1.Ball valve is widely applied in the piping systems offood, environmental protection, metallurgy, petrochemical
industry, etc, and has the function of adjusting or stopping the flow in the pipeline.
2.According to the differences of valve body and sealing material, this valve can be used in the pipeline for supplying steam, petroleum,general corrosive fluid or other medium at working temperature between 30 and 380t.
主要連接及外形尺寸
Main connection and external dimensions(mm)
一片式球閥
管螺紋
A
B
C
D
1/4″
60
110
56
8
3/8″
60
110
58
10
1/2″
60
110
58
11
3/4″
67.3
110
62
13.5
1″
73
110
68
17.5
11/4″
90
150
75
23
11/2″
97.5
150
83
25.4
2″
112
180
90
32.8
二片式球閥
管螺紋
D
L
H
W
1/4″
10
57
50
120
3/8″
12
57
50
120
1/2″
15
63.5
52
120
3/4″
20
75
58
130
1″
25
89
70
154
11/4″
32
99
80
154
11/2″
40
118
88
185
2″
50
136
97
185
3″
80
190
150
204
三片式球閥
管螺紋
D
L
H
W
1/4″
10
65
48
120
3/8″
12
65
48
120
1/2″
15
67
54
120
3/4″
20
82
57
130
1″
25
91
72
154
11/4″
32
108
79
154
11/2″
40
129
81
185
2″
50
128
97
185
3″
80
206
主要外形及連接尺寸Q6(11、61、81、21)(F、N、P)-16~64Mani Outline and Connecting Flange Size