Instruction Manual

MODEL CHART
Example L4 -SS -D -C -F 2 C 1 L4-SS-D-C-F2C1
Construction L4
L4-TOP
Side mount, brass body, SPDT switch
Top mount, brass body, SPDT switch (specify rod length)
Wetted Material
Options
SS
316
NI
316 SS body with 430 SS magnet keeper
316 SS body and magnet keeper (order with SS option)
Nickel 20 magnet keeper
Switch Options D DPDT switch
Float Options 50
150
300
2-1/2˝ spherical, 304 SS rated 50 psi (3.5 bar), > 0.5 s.g.
2-1/2˝ spherical, 316 SS rated 150 psi (10.3 bar), > 0.7 s.g.
2-1/2˝ spherical, 304 SS rated 300 psi (20.7 bar), > 0.7 s.g.
Other Options AT
BSPT
IEC
EPOXY
MT
MV
NB
NH
TBC
TRD
TRI
ATEX
1-1/2˝ female BSPT process connection, M25 x 1.5 conduit connection
IECEx
Epoxy coated housing
High temperature* (see specications for rating)
Gold contact snap switch* (see specications for rating)
Neoprene boot*
No electrical housing*
Terminal block wire connections*
Time delay relay* (on ow decrease)
Time delay relay* (on ow increase)
Flange* F Flange process connection
Flange Size 2
3
4
2˝
3˝
4˝
Flange Material C
S
Carbon steel
316 SS
Flange Rating 1
3
6
9
150 #
300 #
600 #
900 #
Bushing* B Bushing process connection
Bushing Size 1
2
4
2˝
2-1/2˝
4˝
Bushing Type H
F
Hex
Flush
Bushing Material B
C
S
4
Brass
Carbon steel
316 SS
304 SS
*Options that do not have ATEX or IECEx.
Attention: Units without the “AT” sufx are not Directive 2014/34/EU (ATEX) compliant. These units are not intended for use in potentially hazardous
atmospheres in the EU. These units may be CE marked for other Directives of the EU.
1-5/8
[41.28]
5 [127.00]
6
[152.40]
19-7/32 [488.16]
8-7/32 [208.76]
5 [127.00]
3 [76.20]
3/4 NPT
1-1/2 NPT
2-1/2
[63.50]
3-11/3
2
[84.93]
1
2
3
5
6
19-7/32 [488.16]
Ø1-5/8
[41.28]
5 [127.00]
6
[152.40]
MAGNET
KEEPER
430 STNLS.
STL.
FLOAT 316 SS
[STANDARD]
FLOAT ARM AND
BLOCK 316 SS
OR BRASS
SWITCH BODY
BRASS OR
316 SS
1-1/2 MALE NPT
MOUNTING CONNECTION
16 GA. LEADS
6 [152.40] LONG
3
[76.20]
5 [127.00]
8-7/32 [208.76]
Ø2-1/2
[63.50]
3-11/32
[84.93]
3/4 FEMALE NPT
CONDUIT
CONNECTION
PARTS LIST
1. Cover lock. (ATEX/IECEx unit only).
2. External ground. (ATEX/IECEx unit only).
3. Enclosure housing and cover.
4. Terminal block. (ATEX/IECEx unit only, UL/CSA unit has 6˝ leads).
5. Internal ground.
6. Magnet arm and switch assembly.**
7. Switch body.
8. Float, arm and block assembly.**
**Approved replacement parts
UL/CSA unit
ATEX/IECEx unit