Diaphragms

Nason pressure switches incorporate elastomeric diaphragms to provide a positive media seal. Nitrile is the material of choice for most applications; ethylene propylene, fluorocarbon, fluorosilicon, and neoprene are readily available for specific applications.

Operating Specifications

Set Point Range 10 – 4500 PSI (.69 – 289 Bar)
Set Point Tolerance ±5 PSI or 5% (.34 Bar)
Maximum Operating Pressure 5000 PSI (344 Bar)
Proof Pressure 15000 PSI (1034 Bar)
Differential 10 – 20%
Current Rating 5 A @ 250 VAC
5 A @ 30 VDC (Resistive)
Media Connection See Order Chart Below for Options
Circuit Form SPST-NO or SPST-NC
Electrical Connection See Order Chart in pdf for Options
Diaphragm material Buna (Ranges 1 – 3)
Stainless Steel Piston (Ranges 4 – 7)
Cycle Life 1 Million

Application

Nason switches are used successfully in many pneumatic and hydraulic applications. Military vehicles and equipment, aviation, reverse osmosis, filtration, desalination, electrodeionization, marine, machine tools, farm and construction equipment, process equipment and industrial machinery are typical applications.