Installation, Operation, & Maintenance Instructions
IOM JS500.03
2016.04
Vertical Float Switches
1
Standard
offerings
listed,
but
alternates
are
allowed.
Unlisted
alternates
do
not
affect
hazardous
area
safety
components.
2
For
Chamber
Design
Style
“D”,
internal
access
may
be
required
to
affix
float
when
float
diameter
exceeds
connection.
3
Not
available
with
all
offerings,
consult
factory
for
applicability.
Model Number - Part 1: Switch Assembly
1 2
www.Jerguson.com
●
JergusonApp@clark
‐
reliance.com
●
+1.440.572.1500
4
J
= Jerguson ®
(Omitted) = Magne-Sonics
TM
B
= Bottle/Sealed Chamber
X
= Flanged Chamber or Head Ass'y Only
D
= Top Mount (No Chamber)
C
= Carbon Steel
S
= 316 Stnls Steel
H
= 1.25Cr - .50Mo
1F,2F,3F,4F,5F,6F,7F,8F,9F
LA4N
= Weatherproof NEMA 4 / IP66, Long (1-3 Switches)
SA4N
= Weatherproof NEMA 4 / IP66 (Std.) (1-2 Switches)
SA7F
= Ex-Proof FM (Std.) (Al Alloy, 1-2 Switches)
SI7F
= Ex-Proof FM (Cast Iron, 1-2 Switches)
RA7F
= Ex-Proof FM (Short) (Al Alloy, 1 Switch)
1,2,3,4
X4,X8,D4,D8,H4,H8,P4,P8,E4,E8
1
= Side-Bottom ("B" or "X" Chamber Design Style)
2
= Side-Side ("B" or "X" Chamber Design Style)
D
= Top Mount ("D" Chamber Design Style)
(Omitted) = Head Ass'y Only (Less Chamber) ("X" Chamber Design Style)
0
= .50" (DN15)
1
= .75" (DN20)
2
= 1.00" (DN25)
3
= 1.25" (DN32)
4
= 1.50" (DN40)
5
= 2.00" (DN50)
6
= 2.50" (DN65)
F
= FNPT
M
= MNPT
S
= FSW
P
= Plain-End/MSW (Sch.80)
D
3
= Dual FSW & FNPT (Size 1" Only)
1
= 150#RFSO ANSI
= Weld Neck Flanges
3
= 300#RFSO ANSI
= Socket Weld Flanges
6
= 600#RFSO ANSI
= Schedule 40 Branch
9
= 900#RFSO ANSI
0
= 1500#RFSO ANSI
(Omitted)
Process Conn. Size
(Blank or 1 Alpha-Numeric, Not w/in Ex scope)
Process Conn. Style
(Blank or 1 Alpha-Numeric, Not w/in Ex scope)
Chamber/Process Conn. M at'l
(A-Z or 0-9, Not w/in Ex scope)
Chamber Design Style
(A-Z, Not w/in Ex scope)
Float
(1F thru 99F, Not w/in Ex Scope)
Electrical Enclosure
Switch Quantity
Switch M echanism
1F SA7F
1
Process Conn. Orientation
(Blank or 1 Alpha-Numeric, Not w/in Ex scope)
Product Line/Tagging
X4
1
2
1
WN
7
= 3.00" (DN80)
J
B
C
9
= 4.00" (DN100)
A
= 5.00" (DN125)
B
= 6.00" (DN150)
(Omitted)
= Head Ass'y Only (Less
("X" Chamber Design Style)
(Omitted)
= Standard Design
WN
SW
S40
Design Options
(Blank or <27 Alpha-
Numerics, Not w/in Ex Scope)
("X" Chamber Design Style)
RTJ
= Ring Type Joint Flanges
ST
3
= Sure Test
= Head Ass'y Only (Less Chamber)
X
= Special Design