Ashcroft Pressure Switches
Ashcroft pressure switches are used in a number of applications for controls, alarm and shutdown. The pressure switches can handle up to 20,000 psi and are available in NEMA 4 and Explosion proof housings.
A-Series Explosion Proof
Pressure Switch
NEMA 4X, 7/9 Explosion Proof
Single setpoint, fixed deadband, factory set SPDT or DPDT contacts, not field adjustable (or) single setpoint, fixed deadband, field adjustable SPDT or DPDT contacts
Vacuum thru 15,000 psi
A-Series Watertight
Pressure Switch
NEMA 6 watertight, IP67
Single setpoint, fixed deadband, factory set SPDT or DPDT contacts, not field adjusable (or) single setpoint, fixed deadband, field adjustable SPDT or DPDT contacts
Vacuum thru 15,000 psi
B-Series NEMA 7/9
Pressure Switch
Explosion proof, NEMA 7/9, IP66
Adjustable setpoints 15-100% of range
Fixed or limited adjustable deadband
Wide selection of switch elements
Explosion proof enclosure provides
uncompromising protection
Special designs for NACE & fire applications
SIL 3 Capable (B and D series only)
Vacuum thru 3000 psi
B-Series NEMA 7/9 SS
Pressure Switch
Explosion proof, NEMA 7/9, IP66
Adjustable setpoints 15-100% of range
Fixed or limited adjustable deadband
Wide selection of switch elements
Explosion proof enclosure provides
uncompromising protection
Special designs for NACE & fire applications
SIL 3 Capable (B and D series only)
Vacuum thru 3000 psi
B-Series NEMA 4X
Pressure Switch
Watertight epoxy coated aluminum NEMA 4, 4X, IP66
Single setpoint, fixed deadband, SPDT (or) single setpoint, fixed deadband, (2) SPDT (DPDT action)
Vacuum thru 3000 psi
F-Series NEMA 7
Pressure Switch
Explosion proof, anodized aluminum NEMA 7/9, IP66
Single setpoint, field adjustable fixed deadband, SPDT contacts (or) single setpoint, field adjustable fixed deadband, (2) SPDT contacts (DPDT action)
Vacuum thru 4000 psi
GP-Series NEMA 4
Pressure Switch
Watertight 316 stainless steel NEMA 4, 4X, IP65
Single setpoint, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoint, fixed deadband (2) SPDT contacts (DPDT action)
Vacuum thru 3000 psi
LP-Series NEMA 4
Pressure Switch
Watertight epoxy coated aluminum NEMA 4, 4X, IP66
Single setpoint, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband, (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoint, fixed deadband, (2) SPDT contacts (DPDT action)
Vacuum thru 3000 psi
NPI-Series NEMA 4
Pressure Switch
NEMA 4 watertight, IP66
316 pressure connection with
Buna, Viton®, or Teflon® diaphragm and O-ring, or
All-welded 316 Stainless Steel diaphragm,or
All-welded Monel diaphragm
SPDT or (2) SPDT
Ranges from 6 thru 20,000 psi
NPA-Series NEMA 4
Pressure Switch
NEMA 4 watertight, IP66
316 pressure connection with
Buna, Viton®, or Teflon® diaphragm and O-ring, or
All-welded 316 Stainless Steel diaphragm,or
All-welded Monel diaphragm
SPDT or (2) SPDT
Ranges from 6 thru 20,000 psi
NPA-Series NEMA 7
Pressure Switch
NEMA 7/9 Explosion proof, IP66
Single setpoint with adjustable deadband
60 thru 20,000 psi
PP-Series NEMA 7
Pressure Switch
Watertight epoxy coated aluminum explosion proof NEMA 7/9, IP66
Single setpoint, fixed deadband, SPDT contacts (or) single setpoint, fixed deadband (2) SPDT contacts (DPDT action) (or) single setpoint, adjustable deadband, SPDT contacts (or) dual setpoint, fixed deadband (2) SPDT contacts (DPDT action)
Vacuum thru 3000 psi