... pressures, filter resistance, wind speed, furnace pressure, orifice differential pressure, drum water level and liquid pressure amplifier or hydraulic system, etc. At ... as well as health-care devices for monitoring blood pressure and respiratory pressureSpecificationDimensions: 4-3/4dia.x 2-3 ... gray enamel.Connections: 1/8female NPT hing and low pressure taps, duplicated, one pair side and one pair ...