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Welcome to Ashcroft Differential Pressure Switches

The Ashcroft Pressure Switches offer high quality and durability for an affordable price.

Model/Description Enclosure Switch Function Wetted Materials Ranges
D-Series NEMA 4 Differential Pressure SwitchD400 - Differential Pressure Switches

B Series NEMA 4 Differential Pressure

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, VitonŽ, or TeflonŽ or All-welded Stainless Steel 30 in.W.C. to 600 psid
D-Series NEMA 7 Differential Pressure SwitchD700 - Differential Pressure Switches

B Series NEMA 4 Differential Pressure

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, VitonŽ, or TeflonŽ or All-welded Stainless Stee 30 in.W.C. to 600 psid
DDS-Series NEMA 7 Differential Pressure SwitchDDS Series DP Switch

High Static DP Switch

NEMA 4 or NEMA 7 Single setpoint, fixed deadband, SPDT or DPDT Aluminum or Stainless Steel process connections; Buna, Viton, or Teflon diaphragms 0 to 1.5 IWD to 0 to 150 IWD
GD-Series NEMA 4 Differential Pressure SwitchGD - Differential Pressure Switches

G Series Nema 4 Differential pressure Switches

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, VitonŽ or TeflonŽ or All-welded Stainless Steel 30 in.W.C. to 400 psid
LD-Series NEMA 4 Differential Pressure SwitchLD - Differential Pressure Switches

L Series Nema 4 Differential Pressure Switches

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, VitonŽ, or TeflonŽ or All-welded Stainless Steel 30 in.W.C. to 400 psid
PD-Series NEMA 7 Differential Pressure SwitchPD-N7 - Differential Pressure Switches

P Series Nema 7 Differential Pressure Switches

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, VitonŽ or TeflonŽ or All-welded Stainless Steel 30 in.W.C. to 400 psid