Static Pressure
(Pressure Upstream of Filter)
assumption - downstream pressure vented to atmosphere |
• In-Tank Filters
(low pressure)
• Spin-On Filters
(except series 90)
• Portable Carts and units |
B - Visual (auto reset)
BM - Visual (manual reset)
C - Electric Switch
D - Electric Switch and light
E - Gauge
F - Electric Switches
G - Electric Switch
GC - Electronic (Analog)/Electric Switch
(2 contacts 100%, 75%)
H - Electric Switch
K - Gauge
LE - Electric Switch and Visual Pop-up 100%
LZ - Electric Switch 75% & 100% and Visual Pop-up 100% |
• 29 psi - Standard for cartridge and absolute spin-on
• 20 psi - Standard for nominal spin-on filters |
• Set Points other than standard |
Differential Pressure
(Pressure upstream compared to pressure down-stream of Filter) |
• In-Line Filters
(low, medium, and high pressure)
• Spin-On Filters
(Series 90 & 190)1)
• OF5B Cart (option) |
GC - Electronic (Analog 4-20 mA)/Electric Switch (2 contacts 100%, 75%) |
• 72 psid - Standard for medium & high pressure filters
• 29 psid - Standard for low pressure filters |
• Set Points other than standard
• Thermal Lockout to pressure switch (deactivates indicator on cold start) |
Vacuum Gauges and Switch |
• Suction Filters
• Spin-On Filters
(Series 80 & 160) |
UE - Vacuum Gauge (suction)
UF - Vacuum Switch (suction, 42 vac)
UG - Vacuum Switch (suction, 250 vac) |
• 3 psid - Standard for vacuum applications |
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