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Pressure Switches

Machine Tool

Class 9012 / Refer to Catalog 9012CT9701

Class 9012 single stage pressure switches are control circuit rated devices used in pneumatic or hydraulic systems on a wide variety of machine and process applications to protect the equipment and control or monitor the system pressure.
Table 22.1:
Non-adjustable Differential a
NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipmentb
Range On
Decreasing
Pressure
psig
d Approximate
Differential At
Mid-Range— psig
Maximum
Allowable
Pressure
psig
Single Pole
Double Throw
Double Pole
Double Throw
$ Price
Diaphragm ActuatedNitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing
.2–10
1–40
1.5–75
3–150
5–250
13–425
20–675
Piston Actuated#440 Stainless Steel Piston. #303 Stainless Steel Housing,
Fluorocarbon (VITON® ) Diaphragm and O-ring, TEFLON®
Retaining Ring
20–1000
90–2900
170–5600
270–9000
Table 22.2:
Non-adjustable Differential
NEMA 7 & 9 Enclosure
Class I & II, Division 1 & 2, Groups C, D, E, F, GUL Listed As Industrial Control Equipment c
Range On
Decreasing
Pressure
psig
d Approximate
Differential At
Mid-Range—psig
Maximum
Allowable
Pressure
psig
Single Pole
Double Throw
Double Pole
Double Throw
$ Price
$ Price
Diaphragm ActuatedNitrile (Buna-N) Diaphragm, Zinc Plated Steel Housing
.2–10
1–40
1.5–75
3–150
5–250
13–425
20–675
Piston Actuated#440 Stainless Steel Piston. #303 Stainless Steel Housing,
Fluorocarbon (VITON ) Diaphragm and O-ring, TEFLON
Retaining Ring
20–1000
90–2900
170–5600
270–9000
Table 22.3:
Adjustable Differential a
NEMA 4, 4X, 13 EnclosureUL Listed and CSA Certified As Industrial Control Equipment b