■ GU型－高真空球阀
■ GU型高真空(压力)球阀用于接通或切断真空(压力)系统管路中的介质流。应用于真空、乳制品、酒业、生物工程、食品、制药、饮料、化妆品及化工领域。
■ GU
High Vacuum(Pressure)Ball Valve
■ GU high vacuum(pressure)ball valve is used to put through or cut off the medium flow in vacuum(pressure)pipeline in the areas of vacuum, dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals.
■ 主要技术性能
Main Technical Performance
■
■
■
阀门漏率：Valve Leak Rate ≤1.3×10-4Pa.L/S.
适用温度：Applicable Temperature -30～+150℃
-30～+150℃(PPL密封)
适用范围：Appy Range
连接型式 Loose Flange 使用压力范围(Pa)
活套法兰(GB6070、JB919) 0.6×106～1.3×10-4
焊接法兰(GB6070、JB919) 1.6×106～1.3×10-4
快卸法兰(GB4982) 0.1×106～1.3×10-4
螺纹连接 Threaded Connection 1.6×106～1.3×10-4
■ 主要零件材料
Materials of Main Parts
■
■ 阀体、阀盖、阀杆：不锈钢
密封件：四氟乙烯、丁腈橡胶、氟橡胶、PPL。
Body, disc and stem: stainless steel.
Sealing element: PTFE, NBR, Viton, PPL.
CONSTRUCTION FIGHTS (mm)
■ 外形及连接尺寸(mm)(JB919)
Overall and Connection Dimensions(mm)
■ 螺纹连接的外形及连接尺寸(图一)
Model
型号
DN
G
H
E
L
GU-10(G)
10
1/4"
52
105
68
GU-16(G)
16
1/2"
64
130
72
GU-20(G)
20
3/4"
67
130
82
GU-25(G)
25
1"
83
165
90
GU-32(G)
32
1-1/4"
89
165
112
GU-40(G)
40
1-1/2"
100
190
120
GU-50(G)
50
2"
125
190
145
GU-63(G)
63
2-1/2"
150
250
185
GU-80(G)
80
3"
161
250
210
GU-100(G)
100
4"
180
280
268
■ 活套法兰连接(GB6070)(图二)
Model
型号
DN
D
Do
H
E
L
n-φc
GU-10(F)
10
55
40
52
105
84
4-φ6.6
GU-16(F)
16
60
45
64
130
84
4-φ6.6
GU-25(F)
25
70
55
83
165
114
4-φ6.6
GU-32(F)
32
90
70
89
165
140
4-φ9
GU-40(F)
40
100
80
100
190
160
4-φ9
GU-50(F)
50
110
90
125
190
170
4-φ9
GU-63(F)
63
130
110
150
250
195
4-φ9
GU-80(