Multi-Station Level Switch Series F7-MS

Multi-Station Level Switch Series F7-MS
p356:Layout 6
7/21/09
3:40 PM
Page 1
Multi-Station Level Switch
Series
F7-MS
Customize To Fit Application, Up to Six 316 SS or Buna-N Floats
Float Dimensions
L6 A
F2
F1
B
LO
Ø 2-1/16
[52.37]
Ø 1-7/8
[47.62]
Ø 1-1/4
[31.75]
L4
2-3/32
[53.16]
1-13/16
[46.02]
1-3/4
[44.45]
L5
F3
6 HOLES Ø 3/4 [19.05]
EQUALLY SPACED
ON A 6.000 B.C.
[152.4]
Mounting Dimensions
L3
1/2 NPT
L2
L1
Type 1
B
D
A
1-1/2˝
3˝
2˝
(38.10 mm) (76.20 mm) (50.80 mm)
1/2 NPT
1.000 SQ
[25.40]
1-1/4 NPT
Set Point
Distance
Overall
Length
Options
356
Level
1/2 NPT
Type 4, 5
J F7-MSB1-5F31-04.00-07.00-11.00-15.00-20.00-24.00-J
Multi-station level, 1 to 6 switch points
Brass with Beryllium copper stops
316SS with SS ARMCO PH-15-7MO stops
1/2˝ NPT (Float F2, F3 only)
1-1/4˝ NPT (Float F1 only)
2˝ NPT
3˝ 150# Flange Carbon Steel (Conn. material S only, float F2, F3 only) [Max. pres. 150 psi (10.3 bar)]
3˝ 150# Flange 316SS (Conn. material S only, float F2, F3 only) [Max. pres. 150 psi (10.3 bar)]
F7-MS B 1 5 F3 1
F7-MS
B
S
1
2
3
4
5
#
Put 1 to 6 for the number of switch points desired
Buna-N, min. s.g. 0.75, 150 psi (10.3 bar) max. pres.
Buna-N, min. s.g. 0.55, 150 psi (10.3 bar) max. pres.
316SS, min. s.g. 0.75, 750 psi (51.7 bar) max. pres.
SPST, .17A @ 120 VAC, .08A @ 240 VAC, .13A @ 120 VDC, .06A @ 240 VDC
SPST, .8A @ 120 VAC, .4A @ 240 VAC
SPDT, .17A @ 120 VAC, .08A @ 240 VAC, .13A @ 120 VDC, .06A @ 240 VDC
NO switch is standard. For NC place an “*” after the corresponding set point distance
in the model number.
In inches referenced from bottom of connection.
F1
F2
F3
1
2
3
L6
L5
L4
L3
L2
L1
L0
1
[25.40]
SPECIFICATIONS
Service: Compatible liquids.
Wetted Materials: Stem, connection, and float.
Temperature Limits: Buna-N floats: 180°F (82.2°C) in water, -40 to 230°F (-40 to
110°C) in oil; SS floats: -40 to 300°F (-40 to 148.9°C).
Wire Leads: 24˝ (61 cm) free leads; #22 AWG, TFE jacketed, and #18 AWG
Polymeric.
Mounting Orientation: Vertical ±30°.
Models are built to your specifications
Switch Type
Type 3
Type 2
Customize level switches to meet application requirements Switches can be configured with up to six different control points and stem lengths up to 140 inches (3.56 m).
Stems and floats are available in 316 SS or brass.
Switch Points
Float Type
Ø7-1/2
[190.5]
D
Actuation Levels
Each switching point requires one float.
A = Minimum distance from actuation point to bottom of mounting.
B = Minimum distance between actuation levels.
D = Minimum distance from end of unit to lowest actuation point.
Example
Construction
Stem & Connection
Material
Connection
Type
1/2 NPT
1-1/4 SQ
[31.75]
2 NPT
00.00
00.00
00.00
00.00
00.00
00.00
Repeat for each switch point with dashes in between.
No numbers needed beyond the number of switches specified. In inches for example 12.25 would be
12.25˝ from the bottom of the process connection.
00.00
VISIT OUR WEBSITES:
Minimum length is L1+D. Maximum length with Connection Type 1: 36˝ (91.4 cm),
Type 2: 60˝ (152.4 cm), and Types 3, 4, 5: 140˝ (355.6 cm).
J Junction box for wire leads, NEMA 4 (Not available with Connection Type 1)
www.dwyer-inst.com
•
www.dwyer-inst.co.uk
•
www.dwyer-inst.com.au
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