The Robinson Pressure Switch was the original hard stop pressure switch designed for oilfield applications and any other hazardous locations where flammable processes or atmospheres are present.

Robinson Pressure Switches keep with its long-standing tradition of ruggedness and reliability.
All pressure switches are designed in accordance with the latest ISO, CSA (Canadian Standards Association), ASME (American Society of Mechanical Engineers), and NACE International.

Switches - Pressure

Robinson Controls RC-A0750 - Zimco Instrumentation

RC-A0750, 10-100 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Auto Reset
• Set Point Range 10 – 100 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (1/4″ hex key)
• NACE Compliant 3/4″ MNPT Process Connection
• Security Car Seal (for both cover & set-point adjustment screw)
• Dual Seal Certified

Robinson Controls RC-AA-Dual - Zimco Instrumentatio

RC-AA-Dual (fixed differential) for Two Circuits 20-500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Set Point Range 20-500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class1 Div 1
• Good for sour service
• Two independently adjustable micro switches provide separate circuits
• RC-AA (Similar to Presco Type FF) two fixed differential micro switches
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal
• Dual Seal Certified See Installation Operation Manual below.

Robinson Controls - RC-M0750 - Zimco Instrumentation

RC-M0750, 10-100 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Manual Reset
• Set Point Range 10 – 100 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (1/4″ hex key)
• NACE Compliant 3/4″ MNPT Process Connection
• Security Car Seal (for both cover & set-point adjustment screw)
• Dual Seal Certified

Robinson Controls RC-V-Single - Zimco Instrumentation

RC-V-Single (variable differential) 20-500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Set Point Range 20-500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class1 Div 1
• Good for sour service
• Differential can be varied from 30% to
• 96% of the desired set point.
• RC-V (Similar to Presco Type V) with a variable differential
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal
• Dual Seal Certified

Robinson Controls RC-VA-Dual - Zimco Instrumentation

RC-VA-Dual (variable & fixed differential) for Two Circuits 20-500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Set Point Range 20-500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class1 Div 1
• Good for sour service
• Two independently adjustable micro switches (one fixed and one variable differential) this provides separate circuits which can be varied from 25% to 96% of the desired set point.
• RC-AA (Similar to Presco Type FF) two fixed differential micro switches
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal
• Dual Seal Certified

Robinson Controls RS74A-750F - Zimco Instrumentation

RS74A-750F Hi Temp, 50-1500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Auto Reset
• CSA Certified for 750°F Process Temperature
• Set Point Range 50 to 1500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (Collar)
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal (for cover, collar, and calibration screw)
• Dual Seal Certified

Robinson Controls RS74A - Zimco Instrumentation

RS74A, 50-1500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Auto Reset
• Set Point Range 50 to 1500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (Collar)
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal (for cover, collar, and calibration screw)
• Dual Seal Certified

Robinson Controls RS74M-750F - Zimco Instrumentation

RS74M-750F Hi Temp, 50-1500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features: • Manual Reset
• CSA Certified for 750°F Process Temperature
• Set Point Range 50 to 1500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (Collar)
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal (for cover, collar, and calibration screw)
• Dual Seal Certified

Robinson Controls RS74M - Zimco Instrumentation

RS74M, 50-1500 PSI Hazardous Location Pressure Switch

Robinson Controls
In Stock

Features:
• Manual Reset
• Set Point Range 50 to 1500 PSI
• Pressure Rating 5000 PSI
• Hazardous Location Class 1 Div 1
• External Set Point Adjustment (Collar)
• NACE Compliant 2″ MNPT Process Connection
• Security Car Seal (for cover, collar, and calibration screw)
• Dual Seal Certified

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