Valley Industries 2141GXB300 Liquid Filled 2-1/2" Bottom Mount Pressure Gauge, 300PSI

Valley Industries 2141GXB300 Liquid Filled 2-1/2" Bottom Mount Pressure Gauge, 300PSI

The Valley Industries 2141GXB300 (GG300) Pressure Gauge is a 2-1/2" liquid-filled, bottom-mount gauge built for dependable pressure readings up to 300 PSI in systems using media not corrosive to brass or bronze. The glycerin-filled case helps reduce needle bounce from vibration and pressure fluctuations, making it a smart choice for sprayers and equipment that like to shake, rattle, and roll—without your gauge acting like it’s had too much coffee.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: GG300 / 2141GXB300
• Brand: Valley Industries
• Product Type: Liquid-filled pressure gauge
• Scale Type: Single scale
• Dial Size: 2-1/2 in
• Measuring Range: 0–300 psi
• Minor Graduation: 5 psi
• Major Graduation: 50 psi
• Mounting Type: Bottom mount
• Connection Size: 1/4 in
• Connection Type: MNPT
• Connection Material: Brass
• Fill Medium: Glycerin
• Temperature Rating: 32 to 150°F
• Case Material: 304 stainless steel
• Wetted Parts: Copper alloy
• Movement: Brass
• Dial: White aluminum
• Pointer: Black enameled aluminum
• Window: Acrylic
• Accuracy: 3-2-3%
• Media Compatibility Note: Designed for media not corrosive to brass or bronze

Ideal For

• Sprayers and fluid systems needing a 0–300 PSI readable gauge
• Equipment with vibration or pulsation, where a liquid-filled gauge improves stability
• Setups requiring a 1/4" MNPT bottom-mount connection
• Applications that benefit from a stainless case with copper alloy wetted parts
• Anyone who wants the needle to stay calm—even if the machine isn’t