US Gauge Model 656 Liquid Filled Pressure Gauge

Stainless steel, open-front pressure gauges with single and dual scale ranges from vacuum through 23000psi, factory liquid fill available.

US Gauge Model 656 Liquid Filled Pressure Gauge - low mount, 6in dial size
US Gauge Model 656 Liquid Filled Pressure Gauge - low mount, 2.5in dial size
US Gauge Model 656 Liquid Filled Pressure Gauge - 2in dial size with front flange

Starting at $98.00

Effective April 15th, 2025 US Gauge has added a 5% surcharge for this product. The surcharge will appear as a separate line item on the order.

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Manufactured

By US Gauge

Includes

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Availability

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Product Specs

Features

Dial sizes: 2.5in, 4in & 6in
Mounting style(s):
- low mount, center back mount, low back mount with front flange, low back mount with u-clamp
Process connection(316L SS):
- 2.5in: 1/4in NPT
- 4in: 1/4in & 1/2in NPT
- 6in: 1/2in NPT
Pressure Ranges(dual scale options available):
- 2.5in: 30inHg vacuum through 0 to 10000psi
- 4in/6in: 30inHg vacuum through 0 to 23000psi
Accuracy:
- 2.5in: ±1.6% of full scale
- 4in/6in: ±1.0% of full scale
Materials:
- Bourdon tube/wetted materials: 316L stainless steel
- case/movement: 304 stainless steel
- window:
  - 2.5in: polycarbonate (shatter resistant laminated glass available)
  - 4in/6in: shatter resistant laminated glass
Factory fillable with glycerin, mineral oil or silicone
NEMA 4X/IP67

The US Gauge Model 656 Liquid Filled Pressure Gauge is designed to withstand various environmental factors including intense vibration and corrosive atmospheres. With mount styles and ranges to fit every need, the Model 656 is well suited to a broad range of applications, including but not limited to: chemical, refinement, food, pharmaceutical, hydraulic and fluid power.

Available in 2.5, 4 and 6in dial sizes, the Model 656 features an open front stainless steel case with a pressure relieving design to maximize user safety. The 4 and 6in sizes come standard with a shatter resistant glass window for further protections, whilst the 2.5in features a polycarbonate window, with the glass as a low cost upgrade. The model 656 can further extend its service life amidst harsh processes with factory fill options including glycerin (most common), mineral oil and silicone(for higher temperature use cases). The Model 656 is a highly customizable gauge with ranges from 30inHg vacuum up to 23000psi, with dual scales optional at no additional cost(further ranges available upon request).