and premature trim wear

In the event of sight glass breakage

Key Benefits ASME CSD-1 Compliance: Meets strict jurisdictional codes for manual reset secondary protection on steam and primary protection on hot water systems

This unit is built for 210V to 240V systems

Dwyer Instruments 1950-5-2F Pressure Switch 326070-701 and premature trim wearThe Dwyer 1950 5 2F is a precision engineered explosion proof differential pressure switch designed for monitoring air and non combustible gases in hazardous environments. Rated for NEMA 7 (Class I, Groups C, D) and NEMA 9 (Class II, Groups E, F, G) compliance, this integral explosion proof pressure switch eliminates the need for bulky external enclosures. It features a set point range of 1. 4 to 5. 5 inches w. c. with a narrow approximate deadband of