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Functional Safety Manual
IP101/FSM, Rev AA
January 2012
Horizontal Float Switch
Table 10. Level Switches for General Purpose Applications (Aluminum Bronze Wetside)
Table 11. Level Switches for Hazardous Area Applications
Model Product Description
S Switch
Flange (Head)
01 Mobrey A flange
Switch Mechanism
DB Electrical: 2 independent Single Pole Single Throw (SPST) contact sets
PB As Type DB but with gold plated contacts
D6B Electrical: 2 independent circuits of double pole changeover contact sets
P6B As Type D6B but with gold plated contacts
Float
F84 General purpose e.g. high/low alarm, 316 SST
F93 Shrouded for dirty liquids, 316 SST
F104/+ Cranked arm: horizontal or vertical, 316 SST
Typical Model Number: S 01 DB / F84
Model Product Description
S Switch
Flange (Head)
250 Mobrey G, 316 Stainless Steel
275 Mobrey G, Gunmetal
256 3 in. ASME B16.5 Class 150 RF
257 4 in. ASME B16.5 Class 150 RF
278 6 in. ASME B16.5 Class 150 RF
251 3 in. ASME B16.5 Class 300 RF
254 4 in. ASME B16.5 Class 300 RF
260 3 in. ASME B16.5 Class 600 RF
261 3 in. ASME B16.5 Class 900 RF
253 EN 1092-1 PN 40 (DN 80)
255 EN 1092-1 PN 40 (DN 100)
269 EN 1092-1 PN 40 (DN 125)
272 EN 1092-1 PN 63 (DN 80)
268 EN 1092-1 PN 63 (DN 100)
270 EN 1092-1 PN 63 (DN 125)
271 EN 1092-1 PN 63 (DN 150)
Switch Mechanism
D Electrical: 2 independent Single Pole Single Throw (SPST) contact sets
P As Type D but with gold plated contacts
D6 Electrical: 2 independent circuits of double pole changeover contact sets
P6 As Type D6 but with gold plated contacts
H6 As Type D6 but with gold plated contacts and hermetically sealed moving parts
Enclosure / Housing
A Aluminum alloy
G Gunmetal
X Use ‘AX’ or ‘GX’ for applications with ambient temperatures –4 to –76 °F (–20 to –60 °C)
Float
F84 General purpose e.g. high/low alarm, 316 SST
F185 General purpose e.g. high/low alarm, Alloy 400
F96 General purpose e.g. high/low alarm, 316 SST
F98 General purpose e.g. high/low alarm, 316 SST
F104/+ Cranked arm: horizontal or vertical, 316 SST
F106 General purpose e.g. high/low alarm, 316 SST
F107 General purpose e.g. high/low alarm, 316 SST
Typical Model Number: S 250 D A / F84