Mid-West Instrument公司簡介
　　Mid-West Instrument的總部位于密歇根的斯特靈海茨，是美國差壓計和壓力開關的領*企業。
　　型號
　　Mid-West 120, Piston Type Differential Pressure Switch, 50 psi, Al, Grommet
　　Mid-West 200, Al Pressure Limiting Valve, 5000 psi, Viton/PTFE, 1/4" NPT
　　Mid-West 120, Piston Type Differential Pressure Switch, 20 psi, SS, 1/4" NPT
　　Mid-West 120, Piston Type 4.5" Differential Pressure Gauge, 10 psi, Al
　　Mid-West 120, Piston Type Differential Pressure Switch, 5 psi, Al, Grommet
　　Mid-West 120, Piston Type 2.5" Differential Pressure Gauge, 25 psi, Al
　　Mid-West 120, Piston Type Differential Pressure Switch, 110 psi, SS, 1/4" NPT
　　Mid-West 555A, Differential Pressure Indicator, 43 psid
　　Mid-West 120, Piston Type Differential Pressure Switch, 100 psi, Al, Grommet
　　Mid-West 120, Piston Type 2.5" Differential Pressure Gauge, 15 psi, Al
　　Mid-West 120, Piston Type Differential Pressure Switch, 15 psi, Al, 1/4" NPT
　　Mid-West 120, Piston Type Differential Pressure Switch, 30 psi, Al, Grommet
　　Mid-West 120, Piston Type Differential Pressure Switch, 100 psi, SS, Grommet
　　Mid-West 555A, Differential Pressure Indicator, 25 psid
　　Mid-West 120, Piston Type Differential Pressure Switch, 50 psi, SS, Grommet
　　Mid-West 555A, Differential Pressure Indicator, 30 psid
　　Mid-West 130-P, Diaphragm Differential Pressure Gauge, 15"WC, Plastic
　　Mid-West 120, Piston Type 2.5" Differential Pressure Gauge, 50 psi, Al
　　Mid-West 120, Piston Type 2.5" Differential Pressure Gauge, 110 psi, SS
　　Mid-West 150-BO-10, Pulsation Dampener, 1/4"Mx1/4"F, 3000 psi, Viton
　　Mid-West 120, Piston Type Differential Pressure Switch, 100 psi, Al, 1/4" NPT
　　Mid-West 120, Piston Type Differential Pressure Switch, 110 psi, SS, Grommet
　　Mid-West 120, Piston Type Differential Pressure Switch, 100 psi, SS, 1/4" NPT
　　Mid-West 130-P, Diaphragm Differential Pressure Gauge, 50"WC, Plastic
　　Mid-West 142, Diaphragm Differential Pressure Switch, 200"WC, Al