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美国Dwyer多点液位开关F7-MQ系列

 来源:www.xaqksm.com2017-08-16 11:26
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美国Dwyer多点液位开关F7-MQ系列
 
 
产品介绍
多级液位开关F7-MQ系列可定制,交货快,可监测到四级液位。定制级交换机快速满足应用要求和经济。开关可以配置多达四个不同的控制点和阀杆长度高达72“(1.82米)。茎和漂浮在316不锈钢或黄铜。

规格参数
服务:兼容液体。
温度限制:F1和F2与水:0至180°F(- 18至82°C);油:- 40至230°F(- 40至110°C);F3:- 40至300°F(- 40至149°C)。
电气连接:24“(61厘米)的无引线;# 22 AWG TFE和# 18 AWG的聚合物。
安装方向:垂直±30°。

点多液位开关

选型表


EXAMPLE F7-MQ B 2 4 F1 1 03.25 06.50 09.75 15.00 24.00 20 Series F7-MQB2-4F11-03.25-06.50-09.75-15.00-24.00-20 Quick-Ship Multi-Station Level Switch, brass with beryllium copper stops, 1/2" NPT, 4 switch points, Buna-N float, min. s.g. 0.75, max. pressure 150 psi, SPST, .17A @ 120VAC, L4 set point distance 3.25", L3 set point distance 6.5", L2 set point distance 9.75", L1 set point distance 15", 24" overall length, with 20' lead wire.
SERIES F7-MQ                       Quick-Ship Multi-Station Level Switch
STEM & CONN.
MATERIAL
  B
S
                    Brass with Beryllium Copper Stops
316SS with SS Armco PH-15-7MO Stops
CONNECTION
TYPE
    1
2
3
                  1/2" NPT (float F2 and F3 only)
1-1/4" NPT (float F1 only)
2" NPT (float F2 and F3 only)
NUMBER OF
SWITCH
POINTS
      1
2
3
4
                1 Switch Point
2 Switch Points
3 Switch Points
4 Switch Points
FLOAT TYPE         F1
F2
F3
              Buna-N, Min. S.G. 0.75, Max. Pressure 150 psi (10.3 bar)
Buna-N, Min. S.G. 0.55, Max. Pressure 150 psi (10.3 bar)
316SS, Min. S.G. 0.75, Max. Pressure 750 psi (51.7 bar)
SWITCH TYPE           1
2
3
            SPST NO, .17 A @ 120 VAC
SPST NC, .8 A @ 120 VAC
SPDT, .17 A @ 120 VAC
NO switch is standard. For NC place and "*" after the corresponding set point distance in the model number.
SET POINT
DISTANCE
(L4)
            00.00           In inches referenced from bottom of connection. Example: 03.25 would be 3.25" from the bottom of the process connection.
SET POINT
DISTANCE
(L3)
              00.00         In inches referenced from bottom of connection. Example: 06.50 would be 6.50" from the bottom of the process connection.
SET POINT
DISTANCE
(L2)
                00.00       In inches referenced from bottom of connection. Example: 09.75 would be 9.75" from the bottom of the process connection.
SET POINT
DISTANCE
(L1)
                  00.00     In inches referenced from bottom of connection. Example: 15.00 would be 15" from the bottom of the process connection.
OVERALL
LENGTH
(LO)
                    00.00   Maximum overall length of 72" (1.82 m). Minimum length is L1 + D.
OPTIONS                       J
00
Junction Box for Wire Leads, NEMA 4
Lead Wire Length (in feet)