Instruction Manual
D200119X012
2100 and 2100E Liquid Level Switches
June 2017
15
Parts List
Note
Contact your Emerson sales office or your Local Business Partner for Part
Ordering information.
2100 Switch (figure 5)
Key Description
1 Cage & Displacer Assembly
To comply with NACE MR0175‐2002, heat‐treated steel and
stainless steel
w/o sight window
For 2220 WOG max working pressures
w/1 NPT process connections
w/NPS 2 Sch 80 BWE process connection2
w/NPS 2 Sch 160 BWE process
connections
For other than NACE applications, carbon steel
w/sight window
For 350 WOG max working pressure
w/1 NPT process connection
w/o sight window
For 2220 WOG max working pressures
w/1 NPT process connection
w/NPS 2 Sch 80 BWE process conns
w/NPS 2 Sch 160 BWE process conns
2 Pipe Plug
(2 req'd w/sight window; 3 req'd w/o
sight window)
3 Body Block
To comply with NACE MR0175‐2002,
NACE steel
For other than NACE applications, steel
4 Bushing (for use only w/sight window), steel
5 Sight Window, glass and alloy steel
6 Nozzle, S30300 (303) stainless steel
2.1 to 4.1 bar (30 to 60 psig)
supply pressure
4.1 to 6.9 bar (60 to 100 psig)
supply pressure
6.9 to 10.3 bar (100 to 150 psig)
supply pressure
7* Torque Tube Assembly, N04400
8 Nozzle Block Assembly, aluminum
& stainless steel
9 Pressure Plug, S30300 (303) stainless steel
10 Back Plate, steel
Key Description
11* Flapper Seat, fluorocarbon
12* Flapper and Clamp Assembly, stainless steel
13 Magnet Bracket, stainless steel
14* Magnet, sintered
Alnico
15 Cover, plastic
16* Cover Gasket, chloroprene
17 Cover Screw, stainless steel (2 req'd)
18* Nozzle Block Gasket, silicone rubber
19* Body Block Gasket, silicone rubber
20* Cover Screw Gasket, silicone rubber (2 req'd)
21 Nameplate, aluminum
Right or left‐hand mounting
23 Vent Assembly, plastic
24* O‐Ring, fluorocarbon
25* O‐Ring, fluorocarbon
26* O‐Ring, fluorocarbon
27 Machine Screw, stainless steel
28 Lock Washer, stainless steel (4 req'd)
29 Flat Washer, stainless steel (2 req'd)
30 Cap Screw, stainless steel (4 req'd)
31 Machine Screw, stainless steel (2 req'd)
32* Bearing, glass‐filled PTFE
33 Locknut, stainless steel
34 Street Tee (figure 4), STC/PL steel
Street Tee, STL/PL
35* Bleed Orifice (figure 4),
S31600
36 NACE Tag (not shown) 18‐8 stainless steel
37 Tag Wire (not shown), 303 stainless steel
47 Thread locking adhesive, medium strength
(not furnished with switch)
2100E Switch (figure 6)
1 Cage & Displacer Assembly
To comply with NACE MR0175‐2002, heat‐treated
steel and stainless steel
w/o sight window
For 2220 WOG max working pressures
w/1 NPT process connections
w/NPS 2 Sch 80 BWE process connections
w/NPS 2 Sch 160 BWE process connections
For other than NACE applications, carbon steel
w/sight window
For 350 WOG max working pressure
w/1 NPT process connection
w/o sight window
For 2220 WOG max working pressures
w/1 NPT process connections
w/NPS 2 Sch 80 BWE process connections
w/NPS 2 Sch 160 BWE process
connections
2 Pipe Plug
(2 req'd w/sight window; 3 req'd w/o
sight window)
*Recommended spare parts
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