结构特点及用途 1.结构紧凑,启闭迅速,流道畅通,流体阻力小
T型三通球阀详细说明 |
结构特点及用途 1.结构紧凑,启闭迅速,流道畅通,流体阻力小。 2.密封性能好:利用四面阀座材料聚四氟乙烯弹性变形实现无泄漏蜜蜂2 3.一阀多用:任一通口可用作入口而无泄漏,三通既可制成L型通口,也可制成T型通口。 4.维修方便:在系统卸压后,无需拆下整个阀体就可进行检查和维修。 5.泛适用于供水、石化、冶金、矿山、轻纺、能源、造纸、食品、钢铁等管路系统中对介质流向进行切换以及对介质的分流或混合流体。三通球阀介质流向原理三通球阀分L型和T型,介质流通方向见下图。L型三通球阀适用于介质流向的切换,能使相互垂直的两个通道连通;T型三通球阀适用于介质的分流、合流或流向切换,T型孔道可以使三个通道互相连通或使其中两个通道连通,三通球阀一般采用两个阀座结构,亦可根据用户要求采用四阀座结构。 执行标准 Carry out the standard 1.设计和制造 (Design and manufacture):GB/T12237-1989;API 608 2.检验和试验 (Inspection and testing ):GB/T13927-1992;API 598 3.法兰连接 (The flange joining ):JB/T79.1~2-1994;ASME/ANSI B 16.5 4.结构长度 (Length of structure ):JD-2002 主要性能规范 Chief property and specification 试验压力 Test pressure 单位:MPa
公称压力PN Nominal pressure |
常温最大工作压力The greatest working pressure of the norma atmospheric temperature |
壳体试验压力Test pressure of the shell |
气密封试验压力Angtry sealed test pressure |
高压密封试验压力Sealed test pressure of high pressure |
1.6 |
1.6 |
2.4 |
0.6 |
1.76 |
2.5 |
2.5 |
3.8 |
0.6 |
2.75 |
4.0 |
4.0 |
6.0 |
0.6 |
4.4 |
Class150 |
2.0 |
3.0 |
0.6 |
2.2 | 使用范围 Scope of application
壳体材料Shell material |
阀座材料Valve seat material |
适用温度Suitable temperature |
适用介质Suitable medium |
碳钢C型Carbon steel C type |
聚四氟乙烯PTFE |
≤150℃ |
水,蒸汽,石油等Water ,vapour,oil,etc |
对位聚苯Counterpoint polyphenyl |
≤300℃ |
铬镍钛钢P型Cr,Ni,Ti steel P type |
聚四氟乙烯PTFE |
≤150℃ |
硝酸类Nitric acid |
对位聚苯Counterpoint polyphenyl |
≤200℃ |
铬镍钼钛钢R型Cr,Ni,Mo,Ti steel R type |
聚四氟乙烯PTFE |
≤150℃ |
醋酸类Acetic acid |
对位聚苯Counterpoint polyphenyl |
≤200℃ | 主要零件材料 Meterial for main parts
阀体、阀盖、Valve body, valve covering |
GB |
WCB |
ZG1Cr18Ni9Ti |
ZG0Cr18Ni12Mo2Ti |
ASTM |
WCB |
CF8 |
CF8M |
球体Ball |
GB |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
ASTM |
420 |
304 |
316 |
阀杆Valve stem |
GB |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
ASTM |
420 |
304 |
316 |
阀座、密封面Valve seat、Seal the surface |
GB |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
ASTM |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
聚四氟乙烯PTFE |
对位聚苯Counterpoint polyphenyl |
填料Packing |
GB |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
ASTM |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
聚四氟乙烯PTFE |
柔性石墨Flexible graphite |
螺栓Bolt |
GB |
35 |
0Cr18Ni9 |
0Cr18Ni9 |
ASTM |
A193 B7 |
A320-B8 |
A320-B8 |
螺母Nut |
GB |
45 |
0Cr18Ni9 |
0Cr18Ni9 |
ASTM |
A194 2H |
A194-8 |
A194-8 | 主要连接尺寸(mm) Size of main connection
公称压力PN Nominal pressure |
公称通径DN Nominal Diameter |
尺寸(mm) Size |
重量Kg Weight |
mm |
inch |
L |
L1 |
D |
D1 |
D2 |
D6 |
b |
Z-¢d |
H |
W |
1.6MPa ① |
15 |
- |
130 |
65 |
95 |
65 |
45 |
- |
14 |
4-¢14 |
62 |
100 |
2.5 |
20 |
- |
150 |
75 |
105 |
75 |
55/58 |
- |
14/16 |
4-¢14 |
68 |
160 |
3.0 |
25 |
- |
160 |
80 |
115 |
85 |
65/68 |
- |
14/16 |
4-¢14 |
75 |
160 |
4.8 |
32 |
- |
180 |
90 |
135/140 |
100 |
78 |
- |
16 |
4-¢18 |
85 |
200 |
6.5 |
40 |
- |
200 |
100 |
145/150 |
110 |
85/88 |
- |
16 |
4-¢18 |
95 |
200 |
8.5 |
50 |
- |
230 |
115 |
160/165 |
125 |
100/102 |
- |
16/18 |
4-¢18 |
110 |
250 |
11 |
65 |
- |
290 |
145 |
180/185 |
145 |
120/122 |
- |
18 |
4-¢18 |
130 |
300 |
15 |
80 |
- |
310 |
155 |
195/200 |
160 |
135/188 |
- |
20 |
8-¢18 |
155 |
400 |
21 |
100 |
- |
350 |
175 |
215/220 |
180 |
155/158 |
- |
20 |
8-¢18 |
180 |
500 |
33 |
125 |
- |
400 |
200 |
245/250 |
210 |
185/188 |
- |
22 |
8-¢18 |
250 |
600 |
65 |
150 |
- |
480 |
240 |
280/285 |
240 |
210/212 |
- |
24/22 |
8-¢13/8-¢22 |
275 |
800 |
103 |
2.5MPa ① |
15 |
- |
130 |
65 |
95 |
65 |
45 |
- |
16 |
4-¢14 |
62 |
100 |
3.0 |
20 |
- |
150 |
75 |
105 |
75 |
55/58 |
- |
16 |
4-¢14 |
68 |
160 |
3.5 |
25 |
- |
160 |
80 |
115 |
85 |
65/68 |
- |
16 |
4-¢14 |
75 |
160 |
5.0 |
32 |
- |
180 |
90 |
135/140 |
100 |
78 |
- |
18 |
4-¢18 |
85 |
200 |
7 |
40 |
- |
200 |
100 |
145/150 |
110 |
85/88 |
- |
18 |
4-¢18 |
95 |
200 |
9 |
50 |
- |
230 |
115 |
160/165 |
125 |
100/102 |
- |
20 |
4-¢18 |
110 |
250 |
12 |
65 |
- |
290 |
145 |
180/185 |
145 |
120/122 |
- |
22 |
8-¢18 |
130 |
300 |
17 |
80 |
- |
310 |
155 |
195/200 |
160 |
135/138 |
- |
22/24 |
8-¢18 |
155 |
400 |
22 |
100 |
- |
350 |
175 |
230/235 |
190 |
160/162 |
- |
24 |
8-¢23/8-¢22 |
180 |
500 |
36 |
125 |
- |
400 |
200 |
270 |
220 |
188 |
- |
28/26 |
8-¢25/8-¢26 |
250 |
600 |
70 |
150 |
- |
480 |
240 |
300 |
250 |
218 |
- |
30/28 |
8-¢25/8-¢26 |
275 |
800 |
110 |
4.0MPa ① |
15 |
- |
130 |
65 |
95 |
65 |
45 |
40 |
16 |
4-¢14 |
62 |
100 |
3.5 |
20 |
- |
150 |
75 |
105 |
75 |
55/58 |
51 |
16 |
4-¢14 |
68 |
160 |
4.5 |
25 |
- |
160 |
80 |
115 |
85 |
65/68 |
58 |
16 |
4-¢14 |
75 |
160 |
6 |
32 |
- |
180 |
90 |
135/140 |
100 |
78 |
66 |
18 |
4-¢18 |
85 |
200 |
8.5 |
40 |
- |
200 |
100 |
145/150 |
110 |
85/88 |
76 |
18 |
4-¢18 |
95 |
200 |
10.5 |
50 |
- |
230 |
115 |
160/165 |
125 |
100/102 |
88 |
20 |
4-¢18 |
110 |
250 |
14 |
65 |
- |
290 |
145 |
180/185 |
145 |
120/122 |
110 |
22 |
8-¢18 |
130 |
300 |
20 |
80 |
- |
310 |
155 |
195/200 |
160 |
135/138 |
121 |
22 |
8-¢18 |
155 |
400 |
32 |
100 |
- |
350 |
175 |
230/235 |
190 |
160/162 |
150 |
24 |
8-¢23/8-¢22 |
180 |
500 |
50 |
125 |
- |
400 |
200 |
270 |
220 |
188 |
176 |
28 |
8-¢25/8-¢26 |
250 |
600 |
80 |
150 |
- |
480 |
240 |
300 |
250 |
218 |
204 |
30 |
8-¢25/8-¢26 |
275 |
800 |
120 | | |
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