B4 Pressure Switch

Used on many of our enclosed blower packages, this NEMA 4X Pressure Switch from Ashcroft is known for its reliability and long-cycle life. The Ashcroft^® B4 Pressure Switch model is ideal for satisfying the requirements for pressure control, shutdown or alarm operations.

• B4 enclosure – Type 400 watertight NEMA 4X epoxy coated aluminum enclosure; meets NEMA 3, 4, 4X, 13 and IP66 requirements
• General purpose switch element – 15A, 125/250/480 Vac; 1/2A, 125 Vdc; 1/4A, 250 Vdc; 6A, 30 Vdc
• Actuator Seal Selection – Buna-N
• Standard 1/4″ Female NPT
• Pressure range – 0 to 15psi

The B4 Pressure Switch is highly reliable so it used in a wide range of applications

Process Market:

• Offshore Oil Rigs
• Chemical and Petrochemical Plants
• Pulp and Paper Mills
• Power Plants
• Steel Mills
• Water and Sewage Treatment Facilities

Industrial Market:

• Pumps, Compressors and Turbines
• Boilers and Burners
• Degreasers and Evaporators
• Recovery Systems
• Reverse Osmosis Systems / Filters
• Food Processing
• Ground Support Equipment
• Hydraulic and Lubrication Systems
• Heating and Air Conditioning
• Marine Equipment
• Specialized OEM Equipment