| Model/Description |
Enclosure |
Switch Function |
Wetted Materials |
Setpoints |
A-N4 - General purpose pressure switches for most OEM industrial and process applications
 |
Watertight Brass body |
Single setpoint, fixed deadband, SPDT |
Brass Pressure Connection and choice of: Buna, Viton®, Teflon diaphragm or Stainless Steel piston with Viton® O-ring |
vac. to 1,000 psi |
A-N4 - General purpose pressure switches for most OEM industrial and process applications
 |
Watertight, Stainless Steel body |
Single setpoint, fixed deadband, SPDT |
All-welded, Stainless Steel |
vac. to 2,000 psi |
A-N7 - General Purpose pressure switches for most OEM industrial and process applications
|
Explosion proof, Stainless Steel body |
Single setpoint, fixed deadband, SPDT |
All-welded, Stainless Steel |
vac. to 2,000 psi |
B400 - General purpose pressure switches for most industrial and process applications
 |
Watertight epoxy coated aluminum, NEMA Type 4, 4X, IP66 |
Single setpoint, fixed deadband, SPDT or (2) SPDT |
Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon®, or All-welded Stainless Steel or All-welded Monel diaphragm |
vac. to 3,000 psi |
B700 - Ashcroft 700 series has been developed for most applications found in process plants
 |
Explosion proof, NEMA Type 7, 9, IP66 |
Single setpoint, fixed deadband, SPDT or (2) SPDT |
Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon® or All-welded Stainless Steel or All-welded Monel diaphragm |
vac. to 3,000 psi |
F - Compact pressure switch for most industrial process applications
 |
Explosion proof, watertight, anodized aluminum |
Single setpoint, field adjustable fixed deadband, SPDT or (2) SPDT contacts |
316 Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon® diaphragm and O-ring or All-welded 316 Stainless Steel diaphragm |
vac. to 4,000 psi |
G - Stainless Steel enclosure offers greater corrosion protection for this high-performance pressure switch in breweries, dairies, chemical and petrochemical plants, offshore rigs and pulp and paper mills
 |
Watertight 316 Stainless Steel, NEMA 4, 4X, IP65 |
Single or dual setpoint, fixed or adjustable deadband, SPDT or (2) SPDT contacts |
Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon® or All-welded Stainless Steel or All-welded Monel diaphragm |
vac. to 3,000 psi |
H-N4 - Hydraulic pressure switch vibration resistant O-ring sealed piston actuator
|
Watertight expoxy coated aluminum, NEMA 4X, IP66 |
Single setpoint, fixed deadband, SPDT or (2) SPDT |
Stainless Steel pressure connection, piston and Viton® O-ring |
1,000 to 7,500 psi |
L - General purpose pressure switches for most industrial and process applications
 |
Watertight epoxy-coated aluminum, NEMA 4, 4X, IP66 |
Single or dual setpoint, fixed or adjustable deadband, SPDT or (2) SPDT contacts |
Stainless Steel pressure connection and choice of Buna, Viton®, Teflon® or All-welded Stainless Steel or All-welded Monel diaphragm |
vac. to 3,000 psi |
N-N4 - Electronic pressure switch for most industrial applications
|
NEMA 4 watertight, IP66 |
Single setpoint with adjustable deadband |
Stainless Steel |
6 thru 20,000 psi |
N-N7 - Electronic pressure switch for most industrial applications
 |
NEMA 7/9 Explosion proof, IP66 |
Single setpoint with adjustable deadband |
Stainless Steel |
6 thru 20,000 psi |
NPI - Electronic pressure switch with digital display for most industrial applications
 |
NEMA 4 Watertight, IP66 |
Single setpoint with adjustable deadband |
Stainless Steel |
6 thru 20,000 psi |
P-N7 - General purpose pressure switches with dual chamber design for added safety
 |
Watertight epoxy coated aluminum explosion proof, NEMA 7/9, IP66 |
Single or dual setpoint, fixed or adjustable deadband, SPDT or (2) SPDT contacts |
Stainless Steel and Buna, Viton®, or Teflon® or All-welded Stainless Steel or All-welded Monel |
vac. to 3,000 psi |
