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Ashcroft P-Series Pressure and Differential Pressure Switches, Watertight and Explosion-Proof Enclosure

Pressure and Differential Pressure Switches, Watertight and Explosion-Proof Enclosure
P-Series

This top-of-the-line Ashcroft® process switch series includes many state-of-the-art features for safety and reliability in virtually all process applications.

• Die cast aluminum enclosure is standard with NEMA 4X (weatherproof, corrosion resistant) NEMA 7 (explosion-proof enclosure Class I, Div. 1 & 2, Groups B, C & D and Class II, Div. 1 & 2, Groups E, F & G). Dual chamber design allows setpoint changes to be made safely even with power connected.
• Single or dual independently adjustable setpoints meet all setpoint requirements
• UL, CSA listed
• Fixed or adjustable deadband
• Readily available
• Standard pressure connection materials:
     Pressure psi ranges- 316L stainless steel
     Differential pressure ranges- Nickle plated brass
     Pressure and differential inches of water ranges- Epoxy coated carbon steel
• 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
PPDPressure control, two independently adjustable setpoints, fixed deadband
PPAPressure control, single setpoint, adjustable deadband
PDSDifferential pressure control, single setpoint, fixed deadband
PDDDifferential pressure control, two independently adjustable setpoints, fixed deadband
PPSPressure control, single setpoint, fixed deadband
PDADifferential pressure control, single setpoint, adjustable deadband
Table 2Enclosure
N7NEMA 7/9, IP65, watertight, corrosion resistant and explosion proof Div. 1 & 2
Table 3Switch Element
PHermetically sealed switch, narrow deadband
JJHermetically sealed switch, general purpose
PPHermetically sealed switch, narrow deadband
GGGeneral purpose
FFSealed environment proof
KKNarrow deadband
Dual(PD)Switch Elements UL/CSA Listed
JHermetically sealed switch, general purpose
GGeneral purpose
FSealed environment proof
KNarrow deadband
Single(PS)Switch Elements UL/CSA Listed
JHermetically sealed switch, general purpose
HGeneral purpose
CodeDescription/Maximum Electrical Ratings UL/CSA Listed
Table 4Actuator Seal
PMonel
SSS
VViton yes yes
BBuna N yes yes
CodeMaterial Range
TTeflon yes yes
Table 5Pressure Port
251⁄4 NPT Female
061⁄4 NPT Female and 1⁄2 NPT Male Combination
071⁄2 NPT Female
Table 6Options
XK3Terminal block
Table 7Pressure Range
3000#3000 psi
2000#2000 psi
1000#1000 psi*
600#600 psi
400#400 psi
200#200 psi
100#100 psi
60#60 psi
30#30 psi
15#15 psi
150 in.H₂O150 in.H₂O psi
100 in.H₂O100 in.H₂O psi
60 in.H₂O60 in.H₂O psi
30 in.H₂O30 in.H₂O psi
–30 in.Hg/15 psi–30 in.Hg/15 Compound psi
–30 in.Hg–30 in.Hg Vacuum


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