Flotect Series L6 Liquid Level Switch |
Explosion-Proof, Easy In-Wall or External Installation. Small Size; up to 2000 psig Operating Pressure
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Surprisingly compact, the Flotect® L6 is designed and built for years of trouble-free
service in a wide variety of process liquid level applications. Operation is simple and dependable
with no mechanical linkage as the level switch is magnetically actuated. The float lever pivoted
within the body moves when the process liquid displaces the float. A magnet on the opposite
end of the float lever controls a second magnet on the switch actuating lever located in the
switch housing.
{module_literature,i,116239}{module_literature,i,116240}
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PHYSICAL DATA:
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Service: Liquids compatible with wetted materials.
- Wetted Materials:
Float: Solid polypropylene or 304 SS.
Lower Body: Brass or 303 SS.
Magnet: Ceramic.
External Float Chamber (Tee): Matches lower body choice of
brass or 303 SS.
Other: Lever Arm, Spring, Pin, etc.: 301 SS.
- Temperature Limits: -4 to 220°F (-20 to 105°C) standard, MT high temperature
option 400°F (205°C), (MT option not UL, CSA or ATEX). ATEX compliant AT option ambient
temperature: -4 to 167°F (-20 to 75°C) process temperature: -4 to 220°F (-20 to 105°C).
- Pressure Limits: See chart on "Ordering" page.
- Enclosure Rating: Weatherproof and explosion-proof. Listed with UL and CSA
for Class I, Groups A, B, C and D; Class II, Groups E, F, and G. (Group A on stainless
steel body models only.) ATEX 0344 II 2 G EEx d IIC T6 Process Temp≤75°C. EC-Type Certificate
No: KEMA 04ATEX2128.
Switch Type: SPDT snap switch standard, DPDT snap switch optional.
- Electrical Rating: UL models: 5A @ 125/250 VAC. CSA and ATEX models: 5A @
125/250 VAC; 5A res., 3A ind. @ 30 VDC. MV option: .1A @ 125 VAC. MT option: 5A @ 125/250
VAC. (MT option not UL, CSA or ATEX.)
- Electrical Connections: UL models: 18 AWG, 18" (460 mm) long. CSA and ATEX
models: terminal block.
- Upper Body: Brass or 303 SS.
- Conduit Connection: 3/4" male NPT standard, 3/4" female NPT on junction box
models.
- Process Connection: 1" male NPT on models without external float chamber,
1" female NPT on models with external float chamber.
- Mounting Orientation: Horizontal with index arrow pointing down.
- Weight: Approximately 1 lb (.5 kg) without external float chamber, 1.75 lb
(.8 kg) with external float chamber.
- Specific Gravity: See column on Model Number chart.
- Agency Approvals: UL, CSA, CE and ATEX.
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Features:
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- Leak proof lower body machined from bar stock
- Choice of models for direct side wall mounting or mounted in a tee to act as an external float
chamber
- Weatherproof
- Explosion-proof (listings included in specifications)
- Electrical assembly can be easily replaced without removing the unit from the installation
so that the process does not have to be shut down
- Sensitive to level changes of less than 1/2" (12 mm).
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MODELS NUMBERS (stock shown in bold) |
Model No.
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Body
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Installation
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Float
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Pressure Rating, PSI(KG/CM2)
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Minimum
Specific Gravity
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L6EPB-B-S-3-0
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Brass |
Side Wall Mounting |
Solid Polypropylene |
1000( 70) |
0.9 |
L6EPB-B-S-3-A
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Brass |
Side Wall Mounting |
Stainless Steel - Cyl. |
200( 14) |
0.5 |
L6EPB-B-S-3-C
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Brass |
Side Wall Mounting |
Stainless Steel - Rd. |
350( 25) |
0.7 |
L6EPB-B-S-3-B
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Brass |
With External Float Mounting |
Solid Polypropylene |
250( 18) |
0.9 |
L6EPB-B-S-3-H
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Brass |
With External Float Mounting |
Stainless Steel - Rd. |
250( 18) |
0.7 |
L6EPS-S-S-3-O
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Stainless Steel |
Sidewall Mounting |
Solid Polypropylene |
2000(140) |
0.9 |
L6EPS-S-S-3-A
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Stainless Steel |
Sidewall Mounting |
Stainless Steel - Cyl. |
200( 14) |
0.5 |
L6EPS-S-S-3-C
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Stainless Steel |
Sidewall Mounting |
Stainless Steel - Rd. |
350( 25) |
0.7 |
L6EPS-S-S-3-S
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Stainless Steel |
With External Float Chamber |
Solid Polypropylene |
2000(140) |
0.9 |
L6EPS-S-S-3-L
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Stainless Steel |
With External Float Chamber |
Stainless Steel - Rd. |
350( 25) |
0.7 |
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Options:
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Gold plated contacts: Suffix - MV
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High Temperature High Temperature option rated 400°F (205°C). (See electrical rating in specifications,
no listings or approvals, only available on models with stainless steel floats.): Suffix - MT |
CSA and UL approved construction, includes weatherproof and explosion-proof junction
box: Suffix - CSA |
ATEX approved construction includes, weatherproof and explosion-proof, junction box: Suffix - AT
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DPDT Contacts: Seventh character changes to D |
303 Stainless Steel Upper Body: Fifth character changes to S
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Options Not Shown: 1-1/2" and 2" male NPT process connection, 2" female NPT connection tee, and top
mount. |
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