L、T系列三通球阀具有操作灵活、流阻小、换向迅速、密封性能好等特点。它适用于对气体介质或液体介质切换分流。使用一台三通球阀可代替两台普通阀门工作,因此不但使管路设计结构紧凑更为有效,而且也降低了投资和成本。本阀门主要适用于液压系统、化工、炼油设备三路管路的流向切换。三通球阀可做成L形(直角形)也可做成T形。
公称压力:31.5MPa
试验压力:40MPa
工作压力:31.5MPa
适用介质:液压油、水、一乙二醇及其它混合体
英制管螺纹G"(图一) |
美标NPT(图二) |
HS轻系列(图三) |
HS重系列(图四) |
外螺纹W(图五) |
内螺纹N(图六) |
一.内螺纹(英制管螺纹) G (图一)
型 号
|
DN
|
PN
|
DN1
|
L
|
L1
|
B
|
H
|
h
|
m
|
s
|
L0
|
i
|
d
|
HS-K3-G1/4-L/T
|
6
|
31.5
|
6
|
69
|
40
|
26
|
47
|
33
|
13.5
|
34.5
|
115
|
14
|
G1/4
|
HS-K3-G3/8-L/T
|
10
|
31.5
|
10
|
72
|
43
|
32
|
52
|
38
|
17.5
|
36
|
115
|
14
|
G3/8
|
HS-K3-G1/2-L/T
|
13
|
31.5
|
13
|
83
|
48
|
35
|
54
|
40
|
19
|
41.5
|
115
|
16.3
|
G1/2
|
HS-K3-G3/4-L/T
|
20
|
31.5
|
20
|
95
|
62
|
49
|
75
|
57
|
24.5
|
47.5
|
200
|
18
|
G3/4
|
HS-K3-G1-L/T
|
25
|
31.5
|
25
|
113
|
66
|
58
|
83
|
65
|
29.5
|
56.5
|
200
|
20
|
G1
|
HS-K3-G11/4-L/T
|
32
|
31.5
|
25
|
120
|
66
|
58
|
83
|
65
|
29.5
|
60
|
200
|
22
|
G11/4
|
二.美标NPT内螺纹 ANSI B1.20.1 (图二)
型 号
|
DN
|
PN
|
DN1
|
L
|
L1
|
B
|
H
|
h
|
m
|
s
|
L0
|
i
|
d
|
HS-K3-3/8NPT-L/T
|
10
|
31.5
|
10
|
78
|
43
|
32
|
52
|
38
|
17.5
|
36
|
115
|
17.4
|
3/8"NPT
|
HS-K3-1/2NPT-L/T
|
15
|
31.5
|
13
|
104
|
48
|
35
|
54
|
40
|
19
|
41.5
|
115
|
25
|
1/2"NPT
|
HS-K3-3/4NPT-L/T
|
20
|
31.5
|
20
|
102
|
62
|
49
|
75
|
57
|
24.5
|
47.5
|
200
|
23.1
|
3/4"NPT
|
HS-K3-1NPT-L/T
|
25
|
31.5
|
25
|
119
|
66
|
58
|
83
|
65
|
29.5
|
56.5
|
200
|
27.8
|
1"NPT
|
HS-K3-11/4NPT-L/T
|
32
|
31.5
|
25
|
130
|
66
|
58
|
83
|
65
|
29.5
|
60
|
200
|
23
|
11/4"NPT
|
三.HS轻系列 (图三)
型 号
|
DN
|
PN
|
d1
|
DN1
|
L
|
L1
|
B
|
H
|
h
|
m
|
s
|
L0
|
i
|
d
|
HS-K3-10L-L/T
|
8
|
31.5
|
10
|
8
|
74
|
40
|
26
|
47
|
33
|
13.5
|
37
|
115
|
11
|
M16×1.5
|
HS-K3-12L-L/T
|
10
|
31.5
|
12
|
10
|
74
|
43
|
32
|
52
|
38
|
17.5
|
37
|
115
|
11
|
M18×1.5
|
HS-K3-15L-L/T
|
13
|
31.5
|
15
|
13
|
82
|
48
|
35
|
54
|
40
|
19
|
41
|
115
|
12
|
M22×1.5
|
HS-K3-18L-L/T
|
13
|
31.5
|
18
|
13
|
82
|
48
|
35
|
54
|
40
|
19
|
41
|
115
|
12
|
M26×1.5
|
HS-K3-22L-L/T
|
20
|
31.5
|
22
|
20
|
101
|
62
|
49
|
75
|
57
|
24.5
|
50.5
|
200
|
14
|
M30×2
|
HS-K3-28L-L/T
|
25
|
31.5
|
28
|
25
|
108
|
66
|
58
|
83
|
65
|
29.5
|
54
|
200
|
14
|
M36×2
|
HS-K3-35L-L/T
|
32
|
31.5
|
35
|
25
|
112
|
66
|
58
|
83
|
65
|
29.5
|
56
|
200
|
16
|
M45×2
|
四.HS重系列 (图四)
型 号
|
DN
|
PN
|
d1
|
DN1
|
L
|
L1
|
B
|
H
|
h
|
m
|
s
|
L0
|
i
|
d
|
HS-K3-10S-L/T
|
6
|
31.5
|
10
|
6
|
73
|
40
|
26
|
47
|
33
|
13.5
|
36.5
|
115
|
12
|
M18×1.5
|
HS-K3-12S-L/T
|
8
|
31.5
|
12
|
8
|
76
|
40
|
26
|
47
|
33
|
13.5
|
38
|
115
|
12
|
M20×1.5
|
HS-K3-14S-L/T
|
10
|
31.5
|
14
|
10
|
80
|
43
|
32
|
52
|
38
|
17.5
|
40
|
115
|
14
|
M22×1.5
|
HS-K3-16S-L/T
|
13
|
31.5
|
16
|
13
|
86
|
48
|
35
|
54
|
40
|
19
|
43
|
115
|
14
|
M24×1.5
|
HS-K3-20S-L/T
|
13
|
31.5
|
20
|
13
|
90
|
48
|
35
|
54
|
40
|
19
|
43
|
115
|
16
|
M30×2
|
HS-K3-25S-L/T
|
20
|
31.5
|
25
|
20
|
109
|
62
|
49
|
75
|
57
|
24.5
|
54.5
|
200
|
18
|
M36×2
|
HS-K3-30S-L/T
|
25
|
31.5
|
30
|
25
|
120
|
66
|
58
|
83
|
65
|
29.5
|
60
|
200
|
20
|
M42×2
|
HS-K3-38S-L/T
|
32
|
31.5
|
38
|
25
|
124
|
66
|
58
|
83
|
65
|
29.5
|
62
|
200
|
22
|
M52×2
|
五.外螺纹(W)外形尺寸及连接尺寸 (图五)
型 号
|
DN
|
PN
|
DN1
|
L
|
S
|
B
|
i
|
n
|
m
|
d
|
d2(O型圈规格)
|
HS-K3-J10W-L/T
|
10
|
31.5
|
9
|
76
|
34
|
36
|
10
|
13
|
43
|
M24×1.5
|
18×2.4
|
HS-K3-J15W-L/T
|
15
|
31.5
|
13
|
85
|
36
|
44
|
15
|
14
|
50
|
M30×1.5
|
24×2.4
|
HS-K3-J20W-L/T
|
20
|
31.5
|
17
|
103
|
45
|
52
|
20
|
15
|
60
|
M36×2
|
30×3.1
|
HS-K3-J25W-L/T
|
25
|
31.5
|
22
|
116
|
50.5
|
60
|
25
|
18
|
70.5
|
M42×2
|
35×3.1
|
六.内螺纹(N)外形尺寸及连接尺寸 图(六)
型 号
|
8
|
PN
|
DN1
|
L
|
S
|
B
|
i
|
n
|
m
|
d
|
HS-K3-J10N-L/T
|
10
|
31.5
|
9
|
76
|
34
|
36
|
14
|
43
|
18
|
M1×1.5
|
HS-K3-J15N-L/T
|
15
|
31.5
|
13
|
83.5
|
40
|
44
|
16
|
50
|
22
|
M22×1.5
|
HS-K3-J20N-L/T
|
20
|
31.5
|
17
|
95
|
52
|
52
|
18
|
60
|
26
|
M27×2
|
HS-K3-J25N-L/T
|
25
|
31.5
|
22
|
113
|
60
|
60
|
20
|
60
|
30
|
M33×2
|
|