| 江森液体流量开关用于测量流经管道的液体流量,如水,乙烯,乙二醇或任何对黄铜,磷铜无腐蚀作用及对密封性能无影响的液体.当液体流量超过或低于设定的流速时,其单刀双掷开关触点(SPDT)可使一个回路导通,而同时切断另外一个回路.该流量开关通常使用在需要联锁作用或"断流"保护场所.F61KB可根据所安装管线的流速,使用不同的叶片. 特点: ● 液体压力可高达1034kPa,使用范围宽 ● 可调整叶片的节数及修整叶片长度,以适应不同管径及流速的需求 ● 设定点可调整,用户可根据系统的需要进行选择 Table 1:TYpical Flow Rates
GPM(m a /hr)Requlred to Actuate Switch
Pipe Size(in.)
1
1-1/4
1-1/2
2
2-1/2
3
4*
5*
6*
8*
Minimum Adjustment
Flow Increase R to Y Closes**
4.2 (1.0)
5.8 (1.3)
7.5 (1.7)
13.7 (3.1)
18.0 (4.1)
27.5 (6.2)
65.0 (14.8) 37.0+ (8.4)
125.0 (28.4) 57.0+ (12.9)
190.0 (43.1) 74.0+ (16.8)
375.0 (85.2) 205.0+ (46.6)
Flow Increase R to B Closes**
2.5 (0.6)
3.7 (0.8)
5.0 (1.1)
9.5 (2.2)
12.5 (2.8)
19.0 (4.3)
50.0 (11.4) 27.0+ (6.1)
101.0 (22.9) 41.0+ (9.3)
158.0 (35.9) 54.0+ (12.3)
320.0 (72.7) 170.0+ (38.6)
Maximum Adjustment
Flow Increase R to Y Closes**
8.8 (2.0)
13.3 (3.0)
19.2 (4.4)
29.0 (6.6)
34.5 (7.8)
53.0 (12.0)
128.0 (29.1) 81.0+ (18.4)
245.0 (55.6) 118.0+ (26.8)
375.0 (85.2) 144.0+ (32.7)
760.0 (172.6) 415.0+ (94.2)
Flow Increase R to B Closes**
8.5 (1.9)
12.5 (2.8)
18.0 (4.1)
27.0 (6.1)
32.0 (7.3)
50.0 (11.4)
122.0 (27.7) 76.0+ (17.3)
235.0 (53.4)) 111.0+ (25.2)
360.0 (81.8) 135.0+ (30.7)
730.0 (165.8) 400.0+ (90.8)
Product
F61KB Flow Switch
Maximum Liquid Pressure
150psig(1034kPa)
Minimum Liquid Temperature
32°F(0℃)
Maximum Liquid Temperature
250°F(120℃)
Electrical Ratings
120VAC
208VAC
240VAC
277VAC
Horsepower
1
1
1
-
Full Load Amperes
16.0
8.8
8.0
-
Locked Rotor Amperes
96.0
52.8
48.0
-
Non-inductive Amperes
16.0
16.0
16.0
16.0
Pllot Duty
125VA at 24/277/VAC
Wiring Connection
Screw Type Terminals
Pipe Connector
1 in. 11-1/2 NPT Threads |
