| Model/Description |
Enclosure |
Switch Function |
Wetted Materials |
Ranges |
D400 - General purpose switches for most industrial and process applications
 |
Wateright epoxy coated aluminum NEMA 4, 4X, IP66 |
Single setpoint, fixed deadband, SPDT or (2) SPDT contacts |
Nickel Plated Brass or Epoxy Coated Carbon Steel, Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon® or All-welded Stainless Steel |
30 in.W.C. to 600 psid |
D700 - Ashcroft® 700 series has been developed for most applications found in process plants
 |
Explosion proof, NEMA 7/9, IP66 |
Single setpoint, fixed deadband, SPDT or (2) SPDT contacts |
Nickel Plated Brass or Epoxy Coated Carbon Steel, Stainless Steel pressure connection and choice of Buna, Viton®, or Teflon® or All-welded Stainless Steel |
30 in.W.C. to 600 psid |
GD - Stainless Steel enclosure offers greater corrosion protection; recommended for food plants, offshore rigs 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 |
30 in.W.C. to 400 psid |
LD - General purpose 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®, or Teflon® or All-welded Stainless Steel |
30 in.W.C. to 400 psid |
PD-N7 - General purpose 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 pressure connection and choice of Buna, Viton® or Teflon® or All-welded Stainless Steel |
30 in.W.C. to 400 psid |
