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Ashcroft L-Series Pressure and Differential Pressure Switches, Watertight Enclosure

Pressure and Differential Pressure Switches, Watertight Enclosure
L-Series

This broad Ashcroft® switch series is easy to use and readily retrofits to virtually all process, industrial and OEM applications.

• Single or dual independently adjustable setpoints meet all setpoint requirements
• Watertight NEMA 4X, IP66 enclosure
• Choice of switch elements for all applications, including hermetically sealed
• Fixed or adjustable deadband
• Standard pressure connection materials:
     Pressure psi ranges- 316L SS
     Differential psid ranges- Nickel-plated brass
     Pressure and differential inches of water ranges- Epoxy coated carbon steel
• Approved for UL, CSA and FM ratings
• Wide choice of actuators, including designs for fire-safe and NACE applications
• Readily available
• Setpoints adjustable from 15-100% of range.

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6Table 7
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Table 1Function
LPAPressure control, single setpoint, adjustable deadband
LPDPressure control, two independently adjustable setpoints, fixed deadband
LPSPressure control, single setpoint, fixed deadband
LDADifferential pressure control, single setpoint, adjustable deadband
LDDDifferential pressure control, two independently adjustable setpoints, fixed deadband
LDSDifferential pressure control, single setpoint, fixed deadband
Table 2Enclosure
N4NEMA 4/4X, IP66 (watertight and corrosion resistant)
Table 3Switch Element
CodeDescription/Maximum Electrical Ratings UL/CSA Listed
HGeneral purpose
JHermetically sealed switch, general purpose
Single(PS)Switch Elements UL/CSA Listed
KNarrow deadband
FSealed environment proof
GGeneral purpose
PHermetically sealed switch, narrow deadband
JHermetically sealed switch, general purpose
Dual(PD)Switch Elements UL/CSA Listed
KKNarrow deadband
FFSealed environment proof
GGGeneral purpose
PPHermetically sealed switch, narrow deadband
JJHermetically sealed switch, general purpose
Table 4Actuator Seal
CodeMaterial Range
BBuna N yes yes
VViton yes yes
TTeflon yes yes
SSS
PMonel
Table 5Pressure Port
25¼ NPT Female
06¼ NPT Female and ½ NPT Male Combination
07½ NPT Female
Table 6Options
XK3Terminal block
Table 7Pressure Range
30 in.H₂O30 in.H₂O psi
60 in.H₂O60 in.H₂O psi
100 in.H₂O100 in.H₂O psi
150 in.H₂O150 in.H₂O psi
15#15 psi
30#30 psi
60#60 psi
100#100 psi
200#200 psi
400#400 psi
600#600 psi
1000#1000 psi
2000#2000 psi
3000#3000 psi


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