Ashcroft 451379ASL04L30# Pressure Gauge, 0 to 30 psi, 1 2 in MNPT, Plastic, Black 32975 Coupling Size 1 4 in Coupling Size 1 4 in W C 596 Listed to UL 498 Environmental Conditions Indoor Dry Unless Protected By Additional Means Operating Temperature Maximum continuous 75°C and minimum 40°C without Impact OEM Brand Name Hubbell Wiring Device Kellems Type Flanged Receptacle Material Mounting Hardware Screw Mounting Horsepower Maximum 1 Connectivity Back Wired Screw Terminals Amperage Rating 20 A Current Amperage Rating 20 A Performance Electrical Current Interrupting Certified for current interrupting at full rated current Electrical Dielectric Voltage Withstands 2 CRN Process Connection 1 2 in NPT Male Bezel Material Polypropylene Vibration Resistance Liquid Filled Sensor Type Bourdon Tube Gauge Wetted Parts Brass Bronze Includes Mounting Hardware No Process Connection Type NPT Pointer Characteristics Micrometer Adjustable Movement Type Rotary Liquid Filled Case Yes Includes Vent Plug No Movement Material 400 Stainless Steel Field Fillable Yes Dial Color White Primary Scale Units psi Removable Bezel No Pointer Material Aluminum Blowout Safety Back Yes Gauge Accuracy Grade Grade 2A Process Cleaned for Oxygen Service No Lens Material Glass Dial Face Color White Dry Dampening Feature None Accuracy Scale Full Scale Scale Type Single Process Connection Gender Male Burst Pressure 1 Process Connection Size 1 2 in