Series PDPS Compact Economic Differential Pressure Switch

Low Pressures down to 0.07" w.c.

The Series PDPS's large diameter diaphragm and snap action switch make it dependable and ideal for OEM applications. The Series PDPS Pressure Switches are available for pressure, vacuum, and differential applications and are factory preset for pressures from 0.07 in. of w.c. to 1.0 in. of w.c. with full-scale repeatability of ±0.02 in. of w.c. Other features of the PDPS pressure switch include standard multi-barb port connections, inherent mounting and quick disconnect terminals, which make the Series PDPS perfect for many OEM applications.


Models & Ordering

Shipping Information

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Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

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Air and Compatible gases.
Wetted Materials:
Polyphenylene oxide-styrene housing, Florosilicon diaphragm, Stainless Steel spring.
Temperature Limits:
-40 to 185°F (-40 to 85°C).
Operating Pressure:
0.07 in w.c. to 1.0 in w.c.
±0.02 inches of w.c.
Burst Pressure:
3.5 psi (0.241 bar).
Proof Pressure:
1.0 psi (0.069 bar).
Switch Type:
Conventional snap action switch.
Electrical Rating:
5A @ 125/250 VAC.
Process Connections:
Multi-barb port connections for 1/4" and 3/8" ID tubing.
Mounting Orientation:
Mount switch with diaphragm in a vertical position unless customer has specified otherwise.
Set Point Adjustment:
Set point adjusted at factory.
2.7 oz (76.5 g).

Model Chart

EXAMPLE PDPS 1 010 D Series PDPS-1-010-D Compact Economic Differential Pressure Switch, range 0.07-0.14" w.c., factory preset at 0.10" w.c., switch activates on decrease.
SERIES PDPS       Compact Economic Differential Pressure Switch
    0.07-0.14" w.c.
0.14-0.32" w.c.
0.32-0.64" w.c.
0.64-1.00" w.c.
SETPOINT     000   Factory Preset Value Between 0.07" and 1.00" w.c. Depending on Pressure Range.
Example: 007 for 0.07" w.c. or 100 for 1.00" w.c.
Activate on Decrease
Activate on Increase
          Note: All purchases must be 25 pcs or more.

Product Literature

Catalog Pages



Will a Dwyer pressure switch be damaged if the pressure exceeding the maximum set-point is applied to the switch?
No. Not unless the maximum pressure rating of the switch is exceeded.

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