4'' DIAL0-30 PSI 1/2 BSP BOTTOM COMPLETE SS GLY FILLED

Dial Size: 4 inches (100 mm)Pressure Range: 0 to 30 PSI (dual scale typically includes 0 to 2 bar/kPa)Process Connection: 1/2" BSP (British Standard Pipe)Connection Location: Bottom mount / Bottom entry Case & Bezel Material: Stainless Steel (typically SS 304 or SS 316) Wetted Parts (Bourdon Tube & Socket): Stainless Steel (typically SS 316 for high corrosion resistance)Window / Lens: Safety glass, poly carbonate, or toughened glass Liquid Filling: Glycerin (99.5% pure) for dampening vibration and pulsation Accuracy Class: ±1.0% of full-scale value (Class 1) or ±1.6%Operating Temperature: Maximum ambient/process temperature up to 65°C (150°F) due to glycerin constraints Ingress Protection: IP 65 or IP 66 (dust-tight and weather-proof)Blow-out Protection: Top or back rubber blow-out disc/plug for safety over pressure release