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  • High quality, heavy-duty liquid filled gauge
  • Vacuum and compound ranges through 0 psi to 15,000 psi
  • Die cast Brass case with natural Brass finish
  • Copper alloy or 316 Stainless Steel and Brass wetted parts
  • Cleaning for Oxygen Service (O2) is available only for dry or HL (Halocarbon) filled gauges
  • For gauges with MIP, GY40 fill is standard for liquid filled gauges
300 Series 2-1/2 in. Gauge Size Brass Case Liquid Filled Pressure Gauge (25-300-SST-1000-psi)
Unit of Measure
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Part Number

Description

Full Scale Best Fit Straight Line (BFSL) Accuracy (±)

Gauge Size

Pressure Range

Media Temperature Range

25-310-30-psi/bar-BT8 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 psi/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled and 0.8 mm Brass Threaded Orifice N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-psi/kg/cm2 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 psi/kg/cm², 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-psi/kPa N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 psi/kPa, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-psi-BT8 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled and 0.8 mm Brass Threaded Orifice N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-psi-CBU N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/bar N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/bar-BFF N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled and Brass Front Flange N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/bar-CBU N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/kg/cm2 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/kg/cm², 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/kPa N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/kPa, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac/kPa-GY40-BT8 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac/kPa, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with -40 Degree Service Filled and 0.8 mm Brass Threaded Orifice N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac-BFF N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled and Brass Front Flange N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac-CBU N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac-CBU-10-32 N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp, 10-32 Unified Fine (UNF) 2B Thread N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-30-vac-CFF N/A 2-1/2" Brass Case, Copper Alloy Internals, 30 vac, 1/4" National Pipe Thread (NPT) Male Back Connection Vacuum Gauge with Glycerin Filled and Chrome Front Flange N/A 1.6 % N/A 2-1/2 in N/A 0 to 30 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi/bar N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi/bar-CBU N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi/bar, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi/kg/cm2 N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi/kg/cm², 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi/kPa N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi/kPa, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi-BFF N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled and Brass Front Flange N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi-BT3 N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled and 0.3 mm Brass Threaded Orifice N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi-CBU N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled, Chrome Bezel, and U-Clamp N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
25-310-400-psi-MIP N/A 2-1/2" Brass Case, Copper Alloy Internals, 400 psi, 1/4" National Pipe Thread (NPT) Male Back Connection Pressure Gauge with Glycerin Filled and Maximum Indicating Pointer N/A 1.6 % N/A 2-1/2 in N/A 0 to 400 psi N/A -4 to 140 ºF-20 to 60 ºC
Unit of Measure
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