4'' DIAL0-300 PSI 1/2 BSP BOTTOM COMPLETE SS

• Dial Size: 4 inches (100 mm) nominal diameter for clear long-distance visibility.

• Mounting Entry: Direct Vertical Bottom Entry (Stem Mount).

• Process Connection: 1/2" BSP (British Standard Pipe) Male thread.

• Window / Lens: Shatterproof safety glass or heavy-duty Polycarbonate.

• Dial Face: White aluminum background with dual graduation lines (Outer scale black, Inner scale typically red/blue).

• Pointer: Black aluminum, often equipped with a micro-zero adjustment feature • Outer Case & Bezel: Stainless Steel 304 (or upgraded SS316) featuring a robust bayonet or crimped ring locking system.

• Bourdon Tube (Sensing Element): Stainless Steel 316L (C-type tube geometry).

• Movement Mechanism: Stainless Steel 304 / 316 to eliminate premature gear wear.

• Socket / Shank / Process Connection: Stainless Steel 316 (wetted parts) for maximum chemical resistance • Pressure Range: 0 to 300 PSI (frequently paired with a dual metric scale of 0 to 21 Kg/cm² or 0 to 21 Bar).

• Accuracy Class: Class 1.0 (±1.0% of Full Scale Deflection / FSD) or Class 1.6 (±1.6% FSD).

• Overpressure Limit: Typically 130% of the maximum scale value for short durations