- Hi-Flow气动薄膜调节阀 2000VA/3000WA
详细信息
品牌:Hi-Flow 型号:2000VA 加工定制:否 材质:黄铜 连接形式:内螺纹 公称通径:0-300 mm 适用介质:水;蒸汽 压力环境:常压 工作温度:常温 流动方向:单向 驱动方式:电子 零部件及配件:阀杆 形态:隔膜式 类型:二通式 标准:美标 密封形式:软密封式 球座阀,*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
32-way
3-way动作类型 00
01Push-To-Close
Push-To-Open (2-way only)连接尺寸 0
1
2
3
4
5
6
7
81/2" 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
WSingle Seat (2-way only)
Double Seat (3-way only)特性 A
L
S
NLinear
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
4Ductile Iron
Bronze
316 SS阀杆材质 2 316 SS 驱动器 220
221
222
223
230
231
233Air-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
91/8" 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) -