球座阀，最适用于蒸汽和水的流量控制，尺寸从1/2到4英寸，可选两通和三通
2000VA/3000WA系列 Hi-Flow?气动薄膜调节阀是结构简单，牢固耐用的高流通能力单座调节阀。它的应用范围广，在同类型的同尺寸调节阀中，它具备更高的流通能力。
不仅仅是它的流通能力高，而且他能够做到全范围50：1的精确控制。高质量的材质，精密的机械加工和严格的性能测试可保证长期的稳定性和耐用性。采用PTFE的V型环和密封圈来减少摩擦阻力并保证在高压操作中无泄漏。阀体可选用黄铜，316不锈钢，内件采用316不锈钢，全焊接的结构可保证产品的耐用和耐腐蚀能力。
VALVE BODY:
Service: Compatible Liquids, Gases, And Steam.
Line Size: 1/2" To 2-1/2".
Body Style: 2-Way Or 3-Way Globe.
End Connections: 1/2" To 2": Female NPT; 2-1/2": Flanged.
Pressure Limit: Iron Or Bronze Body - 250 Psi (17.2 Bar), 316 SS Body - 300 Psi (20.7 Bar).
Wetted Materials: Body: Iron, Bronze, Or 316 SS; Trim: 316 SS; Packing: PTFE.
Temperature Limits: 20 To 400°F (-7 To 204.4°C).
ACTUATOR:
Type: Pneumatic Spring/Diaphragm.
Control Signal: 3 To 15 Psi (0.21 To 1.0 Bar) Standard. Custom Ranges Available.
Maximum Supply Pressure: 220, 222, And 230: 100 Psi (6.89 Bar). 221, 223, 231, And 233: 50 Psi (3.45 Bar).
Air Connection: 1/4" Female NPT.
Temperature Limit: 150°F (66°C).
Hi-Flow系列(2000VA)二通/三通气动薄膜阀
产品型号: 2000VA
介质 : 兼容液体 , 气体 , 蒸汽 口径 :1/2"~4" 类型 :2 通或 3 通 连接 :1/2"~2":NPT 内螺纹 ,1-1/2"~4": 法兰 压力限制 : 铁或青铜体 :17.2bar,316SS 体:20bar 温度限制 :-7~204.4 ℃ 阀体材质 : 铸铁 , 青铜或 316SS 阀座材质 :316SS 驱动器 : 气动弹簧 / 隔膜 驱动器控制信号 :0.21-1.0bar(3-15PSI) 气路连接 :1/4"NPT 内螺纹
选型表:
| 型号 |
管径 |
Cv 100% |
阀体材质 |
设定USP - psig (bar) |
USP 调节范围 - psig (bar) |
| 2000VA32-230-QS |
1/2" |
6.45 |
Bronze |
125 (8.6) |
96-200 (6.8-13.8) |
| 2001VA32-230-QS |
3/4" |
10.75 |
Bronze |
125 (8.6) |
81-155 (5.6-10.7) |
| 2002VA32-230-QS |
1" |
17.42 |
Bronze |
125 (8.6) |
123-166 (8.5-11.5) |
| 2002VA32-231-QS |
1" |
17.42 |
Bronze |
125 (8.6) |
71-155 (4.9-10.7) |
| 2003VA32-230-QS |
1-1/4" |
25.3 |
Bronze |
98 (8.6) |
66-98 (4.6-6.8) |
| 2003VA32-231-QS |
1-1/4" |
25.3 |
Bronze |
125 (8.6) |
121-165 (8.3-11.4) |
| 2004VA32-231-QS |
1-1/2" |
32.1 |
Bronze |
125 (8.6) |
104-137 (7.2-9.5) |
| 2005VA32-231-QS |
2" |
50.3 |
Bronze |
88 (6.1) |
68-88 (4.7-6.1) |
| 2005VA32-233-QS |
2" |
50.3 |
Bronze |
125 (8.6) |
116-145 (8.0-10.0) |
| 举例 |
2 |
00 |
1 |
V |
A |
3 |
2 |
230 |
|
LO |
2001VA32-230-LO Hi-Flow™ Globe Valve;
2-way, 3/4" NPT connection, linear plug, bronze body,
316 SS trim, reduced port 1/2" size. |
| 类型 |
2
3 |
|
|
|
|
|
|
|
|
|
2-way
3-way |
| 动作类型 |
|
00
01 |
|
|
|
|
|
|
|
|
Push-To-Close
Push-To-Open (2-way only) |
| 连接尺寸 |
|
|
0
1
2
3
4
5
6
7
8 |
|
|
|
|
|
|
|
1/2" NPT
3/4" NPT
1" NPT
1-1/4" NPT
1-1/2" NPT (or Flange with LRF or HRF option)
2" NPT (or Flange with LRF or HRF option)
2-1/2" Flange (see options)
3" Flange (see options)
4" Flange (see options) |
| 阀座 |
|
|
|
V
W |
|
|
|
|
|
|
Single Seat (2-way only)
Double Seat (3-way only) |
| 特性 |
|
|
|
|
A
L
S
N |
|
|
|
|
|
Linear
Linear Needle (2000 to 2002 only)
Equal Percentage (2000 to 2005 only)
Equal Percentage Needle (2000 to 2002 only) |
| 阀体材质 |
|
|
|
|
|
1
3
4 |
|
|
|
|
Ductile Iron
Bronze
316 SS |
| 阀杆材质 |
|
|
|
|
|
|
2 |
|
|
|
316 SS |
| 驱动器 |
|
|
|
|
|
|
|
220
221
222
223
230
231
233 |
|
|
Air-To-Lower, 20 in²
Air-To-Lower, 45 in²
Air-To-Lower, 45 in²
Air-To-Lower, 80 in²
Air-To-Raise, 20 in² (2-way only)
Air-To-Raise, 45 in² (2-way only)
Air-To-Raise, 80 in² (2-way only) |
| 针塞阀接口尺寸 |
|
|
|
|
|
|
|
|
2
3
4
5
6
7
8
9 |
|
1/8" for Type N valve plug
3/16" for Type N valve plug
1/4" for Type N valve plug
5/16" for Type N valve plug
3/8" for Type N valve plug
1/32" for Type L valve plug
1/16" for Type L valve plug
3/32" for Type L valve plug |
| 可选项 |
|
|
|
|
|
|
|
|
|
A
L0
L1
Z
LRF
HRF
|
Positioner factory mounted (specify positioner model)
Reduced port: 3/4" to 1/2" port size (2001 only)
Reduced port: 1" to 1/2" port size (2002 only)
Reduced port: 1" to 3/4" port size (2002 only)
Special operating range (2-10 psi, 10-18 psi)
Low Range Flange: Class 125 in Iron or Class 150 Bronze, 316 SS body
(for 1-1/2" and 2" sizes only, standard on 2-1/2", 3" and 4" sizes)
High Range Flange: Class 250 in Iron or Class 300 in Bronze,
316 SS body (for 1-1/2" to 4" sizes) | | | | | | |
