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) |
|
|
|
|
|