Dwyer F7-MS系列多级液位开关

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Dwyer F7-MS系列多级液位开关

F7-MS系列多级液位开关提供一个定制的液位开关,以满足应用需求。开关可配置多达六个不同的控制点和长度高达140"(3.56米)。阀杆和浮标可在316不锈钢或黄铜,SPST或SPDT开关,和选择安装。

自定义以适合应用程序,最多可有6个316 SS或Buna-N浮球。

定制化的水位指示快速且价格低廉。
坚固耐用,有多种选择。
能支持更大、更浮力的浮标。
耐用的结构在受污染或动荡的介质中具有较长的可靠性。

介质:兼容液体
接液材质:杆,连接器,浮子

温度限制:Buna-N浮子: 0~180°F (-18~82°C); 油: -40~230°F (-40~110°C); SS 浮子: -40~300°F (-40~149°C).

电气连接:24" (61 cm) free leads; #22 AWG TFE and #18 AWG polymeric.

安装方向:垂直±30°.

选型表

EXAMPLEF7-MSB35F3104.2507.5011.6615.7520.0024.1032.00JSeries F7-MSB3-5F31-04.25-07.50-11.66-15.75-20.00- 24.10-32.00-J Multi-Station Level Switch, brass with beryllium copper stops, 2" NPT, 6 switch points, 316SS float, min. s.g. 0.75, max. pressure 750 psi, SPST, .17A @ 120VAC, L6 set point distance 4.25", L5 set point distance 7.5", L4 set point distance 11.66", L3 set point distance 15.75", L2 set point distance 20", L1 set point distance 24.1", 32" overall length, with junction box for wire leads, NEMA 4.
SERIESF7-MS












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
4
5











1/2" NPT (float F2 and F3 only)
1-1/4" NPT (float F1 only)
2" NPT
3" 150# Flange, Carbon Steel (float F2 and F3 only)
3" 150# Flange, 316SS (float F2 and F3 only)
NUMBER OF
SWITCH
POINTS



1
2
3
4
5
6










1 Switch Point
2 Switch Points
3 Switch Points
4 Switch Points
5 Switch Points
6 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) [Units >72": 300 psi (20.7) bar]
SWITCH TYPE




1
2
3








SPST, .1 7A @ 12 0VAC
SPST, .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
(L6)






00.00






In inches referenced from bottom of connection.
Example: 04.25 would be 4.25" from the bottom of the process connection.
SET POINT
DISTANCE
(L5)







00.00





In inches referenced from bottom of connection.
Example: 07.50 would be 7.50" from the bottom of the process connection.
SET POINT
DISTANCE
(L4)








00.00




In inches referenced from bottom of connection.
Example: 11.66 would be 11.66" from the bottom of the process connection.
SET POINT
DISTANCE
(L3)









00.00



In inches referenced from bottom of connection.
Example: 15.75 would be 15.75" from the bottom of the process connection.
SET POINT
DISTANCE
(L2)










00.00


In inches referenced from bottom of connection.
Example: 20.00 would be 20" from the bottom of the process connection.
SET POINT
DISTANCE
(L1)











00.00

In inches referenced from bottom of connection.
Example: 24.10 would be 24.1" from the bottom of the process connection.
OVERALL
LENGTH
(LO)












00.00
Maximum overall length with Connection Type 1: 36" (931.4 cm); Connection Type 2:
60" (152.4 cm); Connection Types 3, 4 or 5: 140" (355.6 cm). Minimum length is L1 + D.
OPTIONS












JJunction Box for Wire Leads, NEMA 4


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