The SOR explosion proof pressure/vacuum/compound switch is manufactured to withstand the rigors of hostile environments. It is a rugged, field-mounted unit that is made of cast iron and works well for vacuum or positive pressure. This low-cost workhorse performs well, even under very low set points.

• Rugged construction
• Low cost
• Ranges from 30 in Hg vacuum to 7000 psi
• Set point adjustment with calibrated scale